CA1321466C - Snap fastener construction - Google Patents
Snap fastener constructionInfo
- Publication number
- CA1321466C CA1321466C CA000596731A CA596731A CA1321466C CA 1321466 C CA1321466 C CA 1321466C CA 000596731 A CA000596731 A CA 000596731A CA 596731 A CA596731 A CA 596731A CA 1321466 C CA1321466 C CA 1321466C
- Authority
- CA
- Canada
- Prior art keywords
- snap
- components
- fabric
- article
- fastener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
- A41H37/04—Setting snap fasteners
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B17/00—Press-button or snap fasteners
- A44B17/0029—Press-button fasteners made of plastics
- A44B17/0035—Their fastening
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
- B29C66/474—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially non-flat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/727—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being porous, e.g. foam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
- B29C66/824—Actuating mechanisms
- B29C66/8242—Pneumatic or hydraulic drives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
- B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
- B29C66/9241—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power
- B29C66/92441—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power the pressure, the force or the mechanical power being non-constant over time
- B29C66/92443—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power the pressure, the force or the mechanical power being non-constant over time following a pressure-time profile
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3636—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons ultrasonically or sonically vibrating, e.g. sonotrodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/008—Using vibrations during moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/0261—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using ultrasonic or sonic vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
- B29C65/5007—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like
- B29C65/5028—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like characterised by the structure of said adhesive tape, threads or the like being textile in woven or non-woven form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
- B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
- B29C66/959—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables
- B29C66/9592—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 characterised by specific values or ranges of said specific variables in explicit relation to another variable, e.g. X-Y diagrams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2313/00—Use of textile products or fabrics as reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2019/00—Buttons or semi-finished parts of buttons for haberdashery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/36—Button with fastener
- Y10T24/3651—Separable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/36—Button with fastener
- Y10T24/3683—Button with cavity for friction grip fastener
Abstract
F.8008 SNAP FASTENER CONSTRUCTION
ABSTRACT OF THE DISCLOSURE
First and second complementary snap-fastener components locally and in-situ molded to the same side of a single flexible porous substrate and at relatively short spacing from each other, such that the substrate can be folded between these complemen-tary components to permit their selective mutual engagement and disengagement. One of these formations is a stud component and the other is a socket compon-ent, and the sizing of their engageable formations is such that a predetermined clearance characterizes a loose fit when in mutually engaged relation. The looseness of this fit bears a predetermined relation to the thickness and flexible deformability of another flexible member or tie element which is interposed between the snap-fastener elements to secure a given selected location of snap-fastener retention to the tie element. Several embodiments are described.
ABSTRACT OF THE DISCLOSURE
First and second complementary snap-fastener components locally and in-situ molded to the same side of a single flexible porous substrate and at relatively short spacing from each other, such that the substrate can be folded between these complemen-tary components to permit their selective mutual engagement and disengagement. One of these formations is a stud component and the other is a socket compon-ent, and the sizing of their engageable formations is such that a predetermined clearance characterizes a loose fit when in mutually engaged relation. The looseness of this fit bears a predetermined relation to the thickness and flexible deformability of another flexible member or tie element which is interposed between the snap-fastener elements to secure a given selected location of snap-fastener retention to the tie element. Several embodiments are described.
Description
2 ~
This invention relates to a new or improved snap-fastener construction.
In an earlier desi~n of hpplicants or a s~.ucl component and of a socket component of a snap-fastener combination, each of the components is in situ formecl to porous substrate material and from a single charge of plastic material, and the plastic material of the charye extends void-free and integrally thxough and solidly impregnates the pores of the substrate at the substrate locality of in situ formation. In said design, the formed snap-fastener components were discussed in the context of one component (e.g., the stud) and the other component (e.g., the socket) beiny formed to dif~erent substrates, as ~or later selective removable attachment of the two substrates, or in the context of these components being Eormed to spaced locales of a single substrate, wherein the spaced locales of the single substrate are to be selectively engaged and disengaged.
A limitation of such constructions and arrangements is that the involved stud and socket components must be precision-formed for predetermined snap-engageability to and disengageability from each other. ~n adjustably comple~ed qarment closure wlth such components is not possible without either having a single stud component selectively engageable to one of a plurality of spaced socket components, or having a single socket component selectively engageable to ~ 3~
one of a plurality of spaced stud components. But to resort to such measures (a) involves the expense of forming more components than will ever be used for a given customer purpose and (b) the degree of adjustability as to completed enga~ement is necessaxily only characterized by stepped increments determined by the spacing of like components.
BRIEF STAT~MENT OF THE INVENTION
It is an object of the invention to provide in-situ molded snap-engageable structural arrangements wherein the range of separably engaged fastening of two ~le~ible substrates or of two spaced locations on a single substrate is infinitely accommodated, without imposing stepped-; increment limitations on the fastened relationship.
Another object is to achieve the foregoing object without requiring multiple-production of identical spaced fastening components on the same substrate.
A further object is to achieve the above objects in a formed structural relationship such that the removable snap engagement~ is assisted by self-piloting alignment of engageable components.
The invention achieves these objects by formin~
first and second complementary snap-fastener components locally and in-situ molded to the same side of a single flexible porous substrate and at relatively short spacing from each other, such that the substrate can be folded between these complementary components to permit their seleckive mutual engagement and disen~agement. One of these formations is a stud component and the other is a socket component, and the sizing of their engageable formations is such that a predetermined clearance characterizes a loose fit when in mutually engaged relation. The looseness of this fit bears a predeter-mined relation to the thickness and flexible deformability of another flexible member or tie element which is inter-posed between the snap-fastener elements to secure a given selected location of snap fastener retention to the tie element. Several embodiments are described.
DETAILED DESCRIPTION
The invention will be described in detail in connection with the a`ccompanying drawings, in which:
~32~6 Fig. 1 is an enlarged sectional view of stud and socket snap-fastener components oF the invention, in spaced relation to each other, prior to their mutual engagement to an interposed tie element;
Fig. lA is a similar view of the same components in engaged relation to each other via the interposed tie element;
Figs. 2, 3, 4, 5, 5A and 6 are fragmentary views in perspective, to illustrate various embodiments and modifications; and Figs. 7 and 7A are sectional views through garment edges, before and after their mutual connection via further snap-fastener components of the invention.
In Fig. 1, a single piece 10 of flexible porous substrate material is illustratively shown to comprise two plies 11-12 of fabric and to be folded back on itself near one of its ends. For convenience, the folded end will be referred to as tab portion A, and the unfolded and lapped closely spaced nearby substrate material will be referred to as body portion B. A stud formation 13 is of suitable plastic material, molded in-situ to and through the pores of both plies of the tab portion A of the substrate, which is not necessarily a woven fabric but which, for strength may be a single-ply material folded to double thickness at the studmolding 13. A socket formation 14 is also of suitable plastic material molded in-situ to and through the pores of both plies of the body portion B of the substrate.
It will be understood that the stud and socket formations 13-14 are desirably formed when the substrate material lies flat, i.e., prior to folding, and that both these formations are formed on the same side of the substrate, here shown as the side of ply 12. As will later be more fully explained, the stud and soc~et formations 13-14 are loosely engageable, the looseness being characterized by a predetermined clearance or radial play when these parts alone are in engaged relation. However, as seen in Fig. lA, when they are engaged to each other via an interposed strip 15 of flexible tie or strap material, of compres~
sible thickness that is coordinated with the predetermined clearance of the loose engagement, a secure and infinitely variable tie span is achieved as between garment or wrap-43 ping edges to be secured to each other.
`; 1:3~
The formations 13-14 are each made from a single predetermined charge of suitable plastic material. The main body oE stud Eormation 13 is that region which l.ies within an outer diameter ~1 and in which the plastic material of formation 13 has :Eully impregnated all voids of the substrate and has become a solid integra-ted component of the substrate.
The s-tud itselE is shown as a relatively thin stubby annulus 16, rising to an extent H, above a relatively thin base plastic layer 17 which locally covers the substrate face of ply 12 to which stud 16 is applied. At the o-ther face of the substrate (i.e., of the other ply 11), a similar relatively thin base layer 18 of plastic covers the substrate but in the form shown :
is peripherally integrated with and reinforced by a shallow circumferentially continuous and rounded outer rim 19, of inner diameter D2.
~ The stud annulus 16 is characterized by a ; circumferentially continuous convex bulbous and bead-like outer contour 20, and its radial thickness ~Rl, in the context of elastic properties of the involved plastic material, is such as to provide the stud annulus 16 with a degree of relatively :~
:` stiffly but smoothly compliant local deformability, in the course of snap-on/snap-off transient interference coaction with the socket formation 14, but only for the condition of effecting such engagement via a selected local area of an interposed tie strap 15. For such coaction purposes, the outer diameter D3 of the stud annulus preferably only slightly exceeds the throat diameter D4 of a relatively radially inward bead-like contour 21 of a relatively thin stubby annulus 22 of the socket part 14; stated in other words, the diameter D3 of the stud annulus is less than the maximum diameter D4' of the socket cavity volume, thereby assuring the predetermined clearance or 6 ~
radial-play relationship which has been mentioned above.
The socket annulus 22 rises to the extent H2 above the relatively thin base layer 23 of plastic locally cover-ing the substrate face to which socket: 14 is applied.
Preferably, Hl is so substantially equal to or slightly less than H2 that, when s~ud 13 is engaged to socket 14 via the interposed tie strip 15, a flat flange-like surface 26 ringing the base of the stud annulus 20 will have circumferentially continuous compliantly clamped seating engagement Ivia tie strip 15) with a flat land surface 27, which is the upper limit of the socket formation 14. Pre~erably also, the effective radial thickness ~R2 of the socket annulus 22 is such, in the context of the involved molded~plastic material and the involved material of strip 15, that a degree of stiffly compliant deformability is realized in the course of snap-on/snap-off coaction with stud formation 13, via strip 15.
As in the case of stud 13 integration with substrate 10, socket 14 is integrated by solid impregnation through all pores of the same substrate 10, within an outer diameter D5, which is comparable with outer diameter D
of the stud formation. And a circumferentially con-tinuous and rounded outer rim 24 rings the thin base layer 25 which locally covers substrate material within rim 24. Marginally compressed substrate material, peri-pherally surrounding each visible part of each plastic ; formation ~13, 14), will be understood as a schematic suggestion of the compressive action of clamped opposing dies used in the in-situ molding process, as described in my said original patent application.
Fig. 2 depicts application of the invention to the respective ends C-D of an elongate tie member or belt 30, which may be a single continuous strip of porous substrate material; alternatively, one or both of the ends C-D may be separate end pieces which are secured to some other belt material. In any event, the end C is the only portion of the article which need be of the flexible and porous nature indicated, for in situ molded reception of closely spaced stud (13') and socket (14') formations, of the nature described in connection with Fig. 1. ~s shown, the substrate end portion C includes an integral laterally offset tab 31 which is foldable on a longi-tudinal alignment 32, thereby providing piloted pre-liminary confronting registration of fastener components13'-14', even when the other end portion D is interposed therebetween. It will be appreciated that snap-engage-ment of components 13'-14' via interposed end portion D
is effected when one is satisfied as to the desired tightness or looseness of belt (30) envelopment of a body or other part, with a correspondingly adjusted longitudinal overlap of end portion D over end portion C, i.e., beyond overlap of the region of engageabi:Lity by fasteners 13'-14'.
Fig. 3 shows a modification of the end portion C
of the porous flexible substrate material of Fig. 2.
In this modification the tab 33 is merely a short cut-off piece of porous flexible substrate material, of length L which is approximately twice the width W of 2G the substrate strip material. ~alf of the material of the short cut-off piece is lapped to the underside o~
the end C of substrate 30 and will be rirmly anchored thereto by in-situ molding the fastener component 13' to the region of overlap of porous substrates 30-33.
The other fastener component 14' is in-situ molded only to the laterally offset tab portion 33 of the cut-off piece.
In the arrangement of Fig. 4, the short cut-off piece 35 of porous flexible substrate material is the only substrate, and it features both of the fastener components 13'-14' integrally molded thereto. Two end strips C'-D' of flexible belt or strap material are first lapped for desired wrapping tightness or looseness, and are then secured together by sidewise s-traddling of the lapped end portions by piece 35, being then secured additionally to and by the fastener components 13'-14', when snap-engaged over both portions C'-D', as on the alignment 36 of the engaged components.
In the arrangement of Fig. 5, opposed edge regions 40-41 of a garment or other two-dimensional ~le~ible - ~`321~6 material are selectively and adjustably drawn together and securable by engagement of snap-fastener components 13'-14' (mounted to end region 40) over an adjustably lapped tie strap 42 (mounted to end region 41). Strap 42 may be anchored at one end to edge region 41, as by thermal tacking suggested by "x" markings, and a pre-fabricated snap fastening unit 43 may be similarly anchored to edge region 40, by a similarly illustrated technique. The unit 43 is seen to comprise like short cut-off lengths 44-45 of the same porous flexible sub-strate material. One end of length 44 is lapped at 90 degrees to one end of the length ~5, at the time when snap-fastener component 14' is in-situ molded to the lapped region, thereby permanently securing parts 44-45 together in desired orientation. The other snap-fastener component is in-situ molded to the free fold-able unlapped end of substrate length 45.
In the arrangement of Fig. 5A, the short cut-off lengths 44'-45' may be of the same porous flexible substrate material, but they are separately secured to the garment end region 40 and are not secured to each other. Each of the lengths 44'-45' is complete with its in-situ molded fastener component 13'-14' prior to individual assembly to the end region 40, and it will be understood that such assembly can be accomplished with such precision of simultaneously securing both lengths 44'-45' in their correct 90-related aspects as to facilitate unambiguous snap-fastener engagement to and adjusted interposition of tie strap 42.
Fig. 6 illustrates another embodiment wh~rein the same, but more elongate length 50 of substrate is formed at its respective ends 51-52 with the respective snap-fastener components and is then folded at a hinge crease at sufficient offset from the snap-fastener for-mations that an adequate area (marked by x's) is avail-able for securing the body half (52) thereof to the end region 40 of garment material. The garment may be of disposable nature and sufficiently pliable that snap-fasteners 13'-14' can adjustably accommodate insertion ~0 and secure engagment of the other end region 41 of the ~`3`~66 garment material, i.e., without requiring the strap or tie 42 of Figs. 5 and 5A.
In the arrangement of Figs. 7 and 7A, a snap-fastener assembly 50 as described in Fig. 6 is secured to the upper face of the garment end 40, and a similar fastener assembly 50' is similarly secured to the lower face of the garment end 41. Each fastener assembly is thus individually and adjustably engageable to the fre0 edge of the opposed garment end, all as shown for the secured relation of Fig. 7A, wherein, for simplified showing, alignment M designates the axis of fastener 50 attachment to end 41, and alignment N designates the axis of fastener 50' attachment to end 40.
It has been indicated above that self-piloting alignment of engageable components is a desirable feature of the invention. This objective is realized by so stiffly constituting the material of the substrate to which each fas*ener component is formed that the said substrate becomes a hinge with a recognizably accurate creased hinge `axis at the fold between the tab portion A and body portion B. Such stiffening and creasing can be achieved by starching and pressing the tab and body substrate after components 13-14 have been formed to and embedded in the substrate; alternatively and illustratively, if the substrate includes a light thermoplastic coating at the interface between plies 11-12, the stiffening and creasing can be achieved by hot-pressing after the com-ponents 13-14 have been formed to and embedded in the substrate. The preference for such stiffening and hinge-creasing cannot be brought out in the scale and nature ofFig. 1, but it will be understood that the literally flat tab fQrmations in all other drawings are each illustrative of such preference.
It will be seen that the described invention meets all stated objects. In particular, infinite variety of adjusted connection is possible between sides of an open-ing to be closed, or for circumferential wrapping of a part of the body. The close spacing of stud and socket components, and/or the suitably stiffened and hinge-creased relation of body and tab halves, enables a degree of _~_ ~ 3 ~
automated targeting of alignment of these components for secure and quickly established connection to an adjusted tie strip or the like. Further, in the case of short-length snap-fastener preassemblies, as at 43 44', 45' and 50, the nature and location of their attachment to garment material is such as to permit finger-insertion beneath the material of the unsecured end of the body half, for greater ease of finger-squeezing action upon the respective snap-fastener components, both for an engagement-developing and for an engagement-separa~ing manipulation.
This invention relates to a new or improved snap-fastener construction.
In an earlier desi~n of hpplicants or a s~.ucl component and of a socket component of a snap-fastener combination, each of the components is in situ formecl to porous substrate material and from a single charge of plastic material, and the plastic material of the charye extends void-free and integrally thxough and solidly impregnates the pores of the substrate at the substrate locality of in situ formation. In said design, the formed snap-fastener components were discussed in the context of one component (e.g., the stud) and the other component (e.g., the socket) beiny formed to dif~erent substrates, as ~or later selective removable attachment of the two substrates, or in the context of these components being Eormed to spaced locales of a single substrate, wherein the spaced locales of the single substrate are to be selectively engaged and disengaged.
A limitation of such constructions and arrangements is that the involved stud and socket components must be precision-formed for predetermined snap-engageability to and disengageability from each other. ~n adjustably comple~ed qarment closure wlth such components is not possible without either having a single stud component selectively engageable to one of a plurality of spaced socket components, or having a single socket component selectively engageable to ~ 3~
one of a plurality of spaced stud components. But to resort to such measures (a) involves the expense of forming more components than will ever be used for a given customer purpose and (b) the degree of adjustability as to completed enga~ement is necessaxily only characterized by stepped increments determined by the spacing of like components.
BRIEF STAT~MENT OF THE INVENTION
It is an object of the invention to provide in-situ molded snap-engageable structural arrangements wherein the range of separably engaged fastening of two ~le~ible substrates or of two spaced locations on a single substrate is infinitely accommodated, without imposing stepped-; increment limitations on the fastened relationship.
Another object is to achieve the foregoing object without requiring multiple-production of identical spaced fastening components on the same substrate.
A further object is to achieve the above objects in a formed structural relationship such that the removable snap engagement~ is assisted by self-piloting alignment of engageable components.
The invention achieves these objects by formin~
first and second complementary snap-fastener components locally and in-situ molded to the same side of a single flexible porous substrate and at relatively short spacing from each other, such that the substrate can be folded between these complementary components to permit their seleckive mutual engagement and disen~agement. One of these formations is a stud component and the other is a socket component, and the sizing of their engageable formations is such that a predetermined clearance characterizes a loose fit when in mutually engaged relation. The looseness of this fit bears a predeter-mined relation to the thickness and flexible deformability of another flexible member or tie element which is inter-posed between the snap-fastener elements to secure a given selected location of snap fastener retention to the tie element. Several embodiments are described.
DETAILED DESCRIPTION
The invention will be described in detail in connection with the a`ccompanying drawings, in which:
~32~6 Fig. 1 is an enlarged sectional view of stud and socket snap-fastener components oF the invention, in spaced relation to each other, prior to their mutual engagement to an interposed tie element;
Fig. lA is a similar view of the same components in engaged relation to each other via the interposed tie element;
Figs. 2, 3, 4, 5, 5A and 6 are fragmentary views in perspective, to illustrate various embodiments and modifications; and Figs. 7 and 7A are sectional views through garment edges, before and after their mutual connection via further snap-fastener components of the invention.
In Fig. 1, a single piece 10 of flexible porous substrate material is illustratively shown to comprise two plies 11-12 of fabric and to be folded back on itself near one of its ends. For convenience, the folded end will be referred to as tab portion A, and the unfolded and lapped closely spaced nearby substrate material will be referred to as body portion B. A stud formation 13 is of suitable plastic material, molded in-situ to and through the pores of both plies of the tab portion A of the substrate, which is not necessarily a woven fabric but which, for strength may be a single-ply material folded to double thickness at the studmolding 13. A socket formation 14 is also of suitable plastic material molded in-situ to and through the pores of both plies of the body portion B of the substrate.
It will be understood that the stud and socket formations 13-14 are desirably formed when the substrate material lies flat, i.e., prior to folding, and that both these formations are formed on the same side of the substrate, here shown as the side of ply 12. As will later be more fully explained, the stud and soc~et formations 13-14 are loosely engageable, the looseness being characterized by a predetermined clearance or radial play when these parts alone are in engaged relation. However, as seen in Fig. lA, when they are engaged to each other via an interposed strip 15 of flexible tie or strap material, of compres~
sible thickness that is coordinated with the predetermined clearance of the loose engagement, a secure and infinitely variable tie span is achieved as between garment or wrap-43 ping edges to be secured to each other.
`; 1:3~
The formations 13-14 are each made from a single predetermined charge of suitable plastic material. The main body oE stud Eormation 13 is that region which l.ies within an outer diameter ~1 and in which the plastic material of formation 13 has :Eully impregnated all voids of the substrate and has become a solid integra-ted component of the substrate.
The s-tud itselE is shown as a relatively thin stubby annulus 16, rising to an extent H, above a relatively thin base plastic layer 17 which locally covers the substrate face of ply 12 to which stud 16 is applied. At the o-ther face of the substrate (i.e., of the other ply 11), a similar relatively thin base layer 18 of plastic covers the substrate but in the form shown :
is peripherally integrated with and reinforced by a shallow circumferentially continuous and rounded outer rim 19, of inner diameter D2.
~ The stud annulus 16 is characterized by a ; circumferentially continuous convex bulbous and bead-like outer contour 20, and its radial thickness ~Rl, in the context of elastic properties of the involved plastic material, is such as to provide the stud annulus 16 with a degree of relatively :~
:` stiffly but smoothly compliant local deformability, in the course of snap-on/snap-off transient interference coaction with the socket formation 14, but only for the condition of effecting such engagement via a selected local area of an interposed tie strap 15. For such coaction purposes, the outer diameter D3 of the stud annulus preferably only slightly exceeds the throat diameter D4 of a relatively radially inward bead-like contour 21 of a relatively thin stubby annulus 22 of the socket part 14; stated in other words, the diameter D3 of the stud annulus is less than the maximum diameter D4' of the socket cavity volume, thereby assuring the predetermined clearance or 6 ~
radial-play relationship which has been mentioned above.
The socket annulus 22 rises to the extent H2 above the relatively thin base layer 23 of plastic locally cover-ing the substrate face to which socket: 14 is applied.
Preferably, Hl is so substantially equal to or slightly less than H2 that, when s~ud 13 is engaged to socket 14 via the interposed tie strip 15, a flat flange-like surface 26 ringing the base of the stud annulus 20 will have circumferentially continuous compliantly clamped seating engagement Ivia tie strip 15) with a flat land surface 27, which is the upper limit of the socket formation 14. Pre~erably also, the effective radial thickness ~R2 of the socket annulus 22 is such, in the context of the involved molded~plastic material and the involved material of strip 15, that a degree of stiffly compliant deformability is realized in the course of snap-on/snap-off coaction with stud formation 13, via strip 15.
As in the case of stud 13 integration with substrate 10, socket 14 is integrated by solid impregnation through all pores of the same substrate 10, within an outer diameter D5, which is comparable with outer diameter D
of the stud formation. And a circumferentially con-tinuous and rounded outer rim 24 rings the thin base layer 25 which locally covers substrate material within rim 24. Marginally compressed substrate material, peri-pherally surrounding each visible part of each plastic ; formation ~13, 14), will be understood as a schematic suggestion of the compressive action of clamped opposing dies used in the in-situ molding process, as described in my said original patent application.
Fig. 2 depicts application of the invention to the respective ends C-D of an elongate tie member or belt 30, which may be a single continuous strip of porous substrate material; alternatively, one or both of the ends C-D may be separate end pieces which are secured to some other belt material. In any event, the end C is the only portion of the article which need be of the flexible and porous nature indicated, for in situ molded reception of closely spaced stud (13') and socket (14') formations, of the nature described in connection with Fig. 1. ~s shown, the substrate end portion C includes an integral laterally offset tab 31 which is foldable on a longi-tudinal alignment 32, thereby providing piloted pre-liminary confronting registration of fastener components13'-14', even when the other end portion D is interposed therebetween. It will be appreciated that snap-engage-ment of components 13'-14' via interposed end portion D
is effected when one is satisfied as to the desired tightness or looseness of belt (30) envelopment of a body or other part, with a correspondingly adjusted longitudinal overlap of end portion D over end portion C, i.e., beyond overlap of the region of engageabi:Lity by fasteners 13'-14'.
Fig. 3 shows a modification of the end portion C
of the porous flexible substrate material of Fig. 2.
In this modification the tab 33 is merely a short cut-off piece of porous flexible substrate material, of length L which is approximately twice the width W of 2G the substrate strip material. ~alf of the material of the short cut-off piece is lapped to the underside o~
the end C of substrate 30 and will be rirmly anchored thereto by in-situ molding the fastener component 13' to the region of overlap of porous substrates 30-33.
The other fastener component 14' is in-situ molded only to the laterally offset tab portion 33 of the cut-off piece.
In the arrangement of Fig. 4, the short cut-off piece 35 of porous flexible substrate material is the only substrate, and it features both of the fastener components 13'-14' integrally molded thereto. Two end strips C'-D' of flexible belt or strap material are first lapped for desired wrapping tightness or looseness, and are then secured together by sidewise s-traddling of the lapped end portions by piece 35, being then secured additionally to and by the fastener components 13'-14', when snap-engaged over both portions C'-D', as on the alignment 36 of the engaged components.
In the arrangement of Fig. 5, opposed edge regions 40-41 of a garment or other two-dimensional ~le~ible - ~`321~6 material are selectively and adjustably drawn together and securable by engagement of snap-fastener components 13'-14' (mounted to end region 40) over an adjustably lapped tie strap 42 (mounted to end region 41). Strap 42 may be anchored at one end to edge region 41, as by thermal tacking suggested by "x" markings, and a pre-fabricated snap fastening unit 43 may be similarly anchored to edge region 40, by a similarly illustrated technique. The unit 43 is seen to comprise like short cut-off lengths 44-45 of the same porous flexible sub-strate material. One end of length 44 is lapped at 90 degrees to one end of the length ~5, at the time when snap-fastener component 14' is in-situ molded to the lapped region, thereby permanently securing parts 44-45 together in desired orientation. The other snap-fastener component is in-situ molded to the free fold-able unlapped end of substrate length 45.
In the arrangement of Fig. 5A, the short cut-off lengths 44'-45' may be of the same porous flexible substrate material, but they are separately secured to the garment end region 40 and are not secured to each other. Each of the lengths 44'-45' is complete with its in-situ molded fastener component 13'-14' prior to individual assembly to the end region 40, and it will be understood that such assembly can be accomplished with such precision of simultaneously securing both lengths 44'-45' in their correct 90-related aspects as to facilitate unambiguous snap-fastener engagement to and adjusted interposition of tie strap 42.
Fig. 6 illustrates another embodiment wh~rein the same, but more elongate length 50 of substrate is formed at its respective ends 51-52 with the respective snap-fastener components and is then folded at a hinge crease at sufficient offset from the snap-fastener for-mations that an adequate area (marked by x's) is avail-able for securing the body half (52) thereof to the end region 40 of garment material. The garment may be of disposable nature and sufficiently pliable that snap-fasteners 13'-14' can adjustably accommodate insertion ~0 and secure engagment of the other end region 41 of the ~`3`~66 garment material, i.e., without requiring the strap or tie 42 of Figs. 5 and 5A.
In the arrangement of Figs. 7 and 7A, a snap-fastener assembly 50 as described in Fig. 6 is secured to the upper face of the garment end 40, and a similar fastener assembly 50' is similarly secured to the lower face of the garment end 41. Each fastener assembly is thus individually and adjustably engageable to the fre0 edge of the opposed garment end, all as shown for the secured relation of Fig. 7A, wherein, for simplified showing, alignment M designates the axis of fastener 50 attachment to end 41, and alignment N designates the axis of fastener 50' attachment to end 40.
It has been indicated above that self-piloting alignment of engageable components is a desirable feature of the invention. This objective is realized by so stiffly constituting the material of the substrate to which each fas*ener component is formed that the said substrate becomes a hinge with a recognizably accurate creased hinge `axis at the fold between the tab portion A and body portion B. Such stiffening and creasing can be achieved by starching and pressing the tab and body substrate after components 13-14 have been formed to and embedded in the substrate; alternatively and illustratively, if the substrate includes a light thermoplastic coating at the interface between plies 11-12, the stiffening and creasing can be achieved by hot-pressing after the com-ponents 13-14 have been formed to and embedded in the substrate. The preference for such stiffening and hinge-creasing cannot be brought out in the scale and nature ofFig. 1, but it will be understood that the literally flat tab fQrmations in all other drawings are each illustrative of such preference.
It will be seen that the described invention meets all stated objects. In particular, infinite variety of adjusted connection is possible between sides of an open-ing to be closed, or for circumferential wrapping of a part of the body. The close spacing of stud and socket components, and/or the suitably stiffened and hinge-creased relation of body and tab halves, enables a degree of _~_ ~ 3 ~
automated targeting of alignment of these components for secure and quickly established connection to an adjusted tie strip or the like. Further, in the case of short-length snap-fastener preassemblies, as at 43 44', 45' and 50, the nature and location of their attachment to garment material is such as to permit finger-insertion beneath the material of the unsecured end of the body half, for greater ease of finger-squeezing action upon the respective snap-fastener components, both for an engagement-developing and for an engagement-separa~ing manipulation.
Claims (11)
1. As an article of manufacture, a first porous substrate portion of flexible material having spaced first and second complementary snap-fastener components each of which is formed from a single charge of plastic material locally and in-situ molded to the same side of said substrate portion, said components being a socket component and a stud component which are sized for loose engageability to each other upon flexed folded manipulation of the material between said components, said engageability being characterized by a predetermined clearance relation between said components when in engaged relation; whereby, upon interposing between said components a second portion of flexible material of thickness com-parable to said clearance and then engaging said com-ponents to each other via the interposed second portion of flexible material, a selectively engageable and secure coupling may be established between said portions.
2. The article of claim 1, in which said first and second portions are at opposite ends of a single elongate strip of said porous substrate material.
3. The article of claim 2, in which the end having said first portion is characterized by a laterally offset tab having one of said snap-fastener components molded thereto, said components being engageable to each other via a selected interposed region of the other end of said strip.
4. A two dimensional fabric article having spaced edges adapted to be drawn together in a wrap of the fabric around a body part, wherein the wrap is secured by at least one article of claim 1, said first substrate portion being so locally affixed to said fabric near one of said edges as to permit said flexed folded manipulation, and said second portion of flexible material being so locally affixed to said fabric near the other of said edges as to leave a free unaffixed length thereof for selective positioning between said snap-fastener components prior to snap-engagement of said components via said free unaffixed length.
5. The fabric article of claim 4, in which said first portion is a relatively short length of tape one end of which carries one of said components and is secured to said fabric and the other end of which carries the other of said components and is free of said fabric.
6. The fabric article of claim 5, in which said second portion is a length of tape wherein the unaffixed length substantially exceeds the length of said first portion.
7. The article of claim 1, wherein said first porous substrate is a strip of uniform width and length at least four times said width, the flexed folding being at half length to define integrally connected upper-tab and lower-body halves each of which is of length substantially twice the width, said snap-fastener components being molded within the outer-end half length of each of said halves, whereby said lower-body half is characterized by a fastener-free area of length at least equal to said width, said fastener-free area being adapted for attachment to a garment or the like fabric, whereby, when attached to a garment or the like fabric each of said snap-fastener components is manipulable independent of the garment or the like fabric.
8. A two-dimensional fabric article having spaced edges adapted to be drawn together in a wrap of the fabric around a body part, wherein the wrap is secured by at least one article of claim 1, said first substrate portion being so locally affixed to said fabric near one of said edges as to permit said flexed folded manipulation, said article being oriented to position the fold thereof at greatest offset from said one edge portion, and said second portion of flexible material being the other of said spaced edges, whereby said other-edge portion may be selectively positioned between said snap-fastener compon-ents prior to snap-engagement of said components via said other-edge portion.
9. A two-dimensional fabric article having spaced edges adapted to be drawn together in a wrap of the fabric around a body part, wherein the wrap is secured by two units of the article of claim 1, the first substrate portion of one of said units being so locally affixed to one side of said fabric near one of said edges as to permit said flexed folded manipulation, the first substrate portion of the other of said units being so locally affixed to the other side of said fabric near the other of said edges as to per-mit said flexed folded manipulation, said article units being oriented to position the respective folds thereof at greatest offset from their respective fabric edges and from each other, whereby said one unit may be snap-engaged to said other edge portion and said other unit may be snap-engaged to said one edge portion.
10. The article of claim 1, in which said first substrate portion is of relatively stiffly flexible material, folded at a longitudinally central hinge crease, said snap-fastener components being in self-piloting engageable relation when flat-folded at said hinge crease.
11. As an article of manufacture, first substrate portions of unapertured flexible material comprising two like rectangular pieces of length at least twice their width, first and second complementary snap-fastener components each of which is formed from a single charge of plastic material locally and in-situ molded to one side and near one end of a different one of said two pieces, said components being a socket component and a stud component which are sized for loose engageability to each other, said engageability being characterized by a predetermined clearance relation between said components when in engaged relation, and a fabric mounting to which the other end of each of said pieces is independently secured, in such orientation that said snap-fastener components are in confronting registration.
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/889,880 US4735753A (en) | 1986-07-28 | 1986-07-28 | Method of making a fastener |
US07/063,019 US4784591A (en) | 1986-07-28 | 1987-06-17 | Die set and apparatus for in-situ molding of a separable fastener component |
PCT/US1987/001766 WO1988000881A1 (en) | 1986-07-28 | 1987-07-27 | Snap fastener and method and means for making the same |
AT87905108T ATE88412T1 (en) | 1986-07-28 | 1987-07-27 | DEVICE FOR FORMING A PRESS BUTTON ''IN SITU'' ON A POROUS SUBSTRATE. |
AU77518/87A AU7751887A (en) | 1986-07-28 | 1987-07-27 | Snap fastener and method and means for making the same |
EP90109288A EP0417395B1 (en) | 1986-07-28 | 1987-07-27 | Article having a plastic component affixed to a porous substrate and a method for making the same |
EP87905108A EP0276281B1 (en) | 1986-07-28 | 1987-07-27 | Apparatus for "in-situ" formation of a snap fastener on a porous substrate |
JP62504504A JPH01500881A (en) | 1986-07-28 | 1987-07-27 | Snap fastener and its manufacturing method and manufacturing means |
DE87905108T DE3785574T2 (en) | 1986-07-28 | 1987-07-27 | Device for "in-situ" molding of a push button on a porous substrate. |
DE3789512T DE3789512T2 (en) | 1986-07-28 | 1987-07-27 | Article with a plastic element attached to a porous substrate and process for its manufacture. |
CA000543139A CA1313585C (en) | 1986-07-28 | 1987-07-28 | Snap fastener and method and means for making same |
US07/176,850 US4825516A (en) | 1986-07-28 | 1988-04-04 | Snap fastener construction |
CA000596731A CA1321466C (en) | 1986-07-28 | 1989-04-14 | Snap fastener construction |
AT90109288T ATE103536T1 (en) | 1986-07-28 | 1990-05-16 | ARTICLE WITH A PLASTIC ELEMENT ATTACHED TO A POROUS SUBSTRATE AND PROCESS FOR ITS MANUFACTURE. |
US07/633,758 US5357659A (en) | 1986-07-28 | 1990-12-27 | Plastic article in situ molded to a porous substrate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/889,880 US4735753A (en) | 1986-07-28 | 1986-07-28 | Method of making a fastener |
CA000596731A CA1321466C (en) | 1986-07-28 | 1989-04-14 | Snap fastener construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1321466C true CA1321466C (en) | 1993-08-24 |
Family
ID=25672618
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000543139A Expired - Fee Related CA1313585C (en) | 1986-07-28 | 1987-07-28 | Snap fastener and method and means for making same |
CA000596731A Expired - Fee Related CA1321466C (en) | 1986-07-28 | 1989-04-14 | Snap fastener construction |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000543139A Expired - Fee Related CA1313585C (en) | 1986-07-28 | 1987-07-28 | Snap fastener and method and means for making same |
Country Status (8)
Country | Link |
---|---|
US (1) | US4735753A (en) |
EP (2) | EP0417395B1 (en) |
JP (1) | JPH01500881A (en) |
AT (2) | ATE88412T1 (en) |
AU (1) | AU7751887A (en) |
CA (2) | CA1313585C (en) |
DE (2) | DE3785574T2 (en) |
WO (1) | WO1988000881A1 (en) |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3678925B2 (en) * | 1998-11-26 | 2005-08-03 | Ykk株式会社 | Fasteners with tape |
US4818205A (en) * | 1987-12-02 | 1989-04-04 | Scovill Fasteners Inc. | Apparatus for molding a snap fastener onto fabric |
US5052084A (en) * | 1989-10-20 | 1991-10-01 | Minnesota Mining And Manufacturing Company | Elastic strap fastener assembly |
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-
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- 1986-07-28 US US06/889,880 patent/US4735753A/en not_active Expired - Lifetime
-
1987
- 1987-07-27 EP EP90109288A patent/EP0417395B1/en not_active Expired - Lifetime
- 1987-07-27 DE DE87905108T patent/DE3785574T2/en not_active Expired - Lifetime
- 1987-07-27 AU AU77518/87A patent/AU7751887A/en not_active Abandoned
- 1987-07-27 DE DE3789512T patent/DE3789512T2/en not_active Expired - Fee Related
- 1987-07-27 AT AT87905108T patent/ATE88412T1/en not_active IP Right Cessation
- 1987-07-27 WO PCT/US1987/001766 patent/WO1988000881A1/en active IP Right Grant
- 1987-07-27 EP EP87905108A patent/EP0276281B1/en not_active Expired - Lifetime
- 1987-07-27 JP JP62504504A patent/JPH01500881A/en active Pending
- 1987-07-28 CA CA000543139A patent/CA1313585C/en not_active Expired - Fee Related
-
1989
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-
1990
- 1990-05-16 AT AT90109288T patent/ATE103536T1/en not_active IP Right Cessation
Also Published As
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CA1313585C (en) | 1993-02-16 |
US4735753A (en) | 1988-04-05 |
WO1988000881A1 (en) | 1988-02-11 |
JPH01500881A (en) | 1989-03-30 |
AU7751887A (en) | 1988-02-24 |
EP0417395A1 (en) | 1991-03-20 |
ATE103536T1 (en) | 1994-04-15 |
EP0276281B1 (en) | 1993-04-21 |
ATE88412T1 (en) | 1993-05-15 |
EP0417395B1 (en) | 1994-03-30 |
DE3789512D1 (en) | 1994-05-05 |
DE3789512T2 (en) | 1994-07-14 |
DE3785574D1 (en) | 1993-05-27 |
EP0276281A1 (en) | 1988-08-03 |
DE3785574T2 (en) | 1993-10-28 |
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