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Publication numberUS3655118 A
Publication typeGrant
Publication dateApr 11, 1972
Filing dateJun 15, 1970
Priority dateJun 15, 1970
Publication numberUS 3655118 A, US 3655118A, US-A-3655118, US3655118 A, US3655118A
InventorsRinecker Franz G
Original AssigneeAmerican Velcro Inc
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Flexible mouth container
US 3655118 A
Abstract
A container of the type having a mouth defined by superposed portions of a flexible sheet which can be opened wide and closed by flattening together and convoluting marginal ends of the superposed sheet portions includes a first fastening strip secured to an outside surface of one sheet portion and spaced from the endmost edge of the flexible sheet a length sufficient to define therebetween a marginal portion which may be folded into a plurality of convolutions and the outwardly facing surface of the first fastening strip defines a plurality of upstanding hooking elements of flexible resilient material; a second fastening strip secured to an outside surface of the other sheet portion includes two longitudinal portions the first of which is secured to the flexible sheet and the second of which has an inwardly facing surface defining a plurality of complementary hooking elements of flexible resilient material, the second fastening strip being spaced from the first fastening strip in a direction away from the endmost edge of the flexible sheet.
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Waited tates Patent Rineclrer [4 Apr. 11, 1972 [54] FLEXIBLE MOUTH CONTAINER Primary Examiner-M. Henson Wood, Jr. [72] Inventor. Franz G. Rinecker, Wayne, NJ. Assistant Examiner Thomas C Culp Jr. [73] Assignee: American Velcro, Inc. Attorney-Pennie, Edmonds, Morton, Taylor and Adams [22] Filed: June 15, 1970 [21 Appl. No.: 46,440 A container of the type having a mouth defined by superposed portions of a flexible sheet which can be opened wide and 52 us. Cl ..229/62, 150/3 Closed by flattening together and Com/01mins marginal ends of 5| rm. C1 ..B65d 33/16 the SuPerposed Sheet P0rtions includes a first fastening strip 58 Field of Search ..229/62; 150/3; 220/80 Secured an outside Surface W Sheet Portion and from the endmost edge of the flexible sheet a length sufficlent [56] References Cited to define therebetween a marginal portion which may be folded into a plurality of convolutlons and the outwardly fac- UNITED STATES PATENTS ing surface of the first fastening sripgilefines a plurality of upstanding hooking elements of exi e resilient material; a 3,446,420 5/1969 Rrnecker ..229/62 Second fastening strip Secured to an outside surface of the 9 l 7'l24 4/1909 Parson 229/62 X other sheet portion includes two longitudinal portions the first 2,215,989 9/1940 wolf "229/62 of which is secured to the flexible sheet and the second of 23054402 12/1942 Avery et which has an inwardly facing surface defining a plurality of 2,480,500 8/1949 Moore "229/62 complementary hooking elements of flexible resilient materi- 3307773 3/1967 etalal, the second fastening strip being spaced from the first usmt i fastening strip in a direction away from the endmost edge of Teen the flexible sheet. 3,439,866 4/1969 Kuhnle ....229/62 3,554,436 1/1971 Palmer ..229/62 3 Claims, 4 Drawing Figures Patented A ril 11, 1972 v I 3,655,118

' INVENTOR. FRANZ G. RIN ECKER ATTORNEYS FLEXIBLE MOUTH CONTAINER BACKGROUND OF THE INVENTION also reusable. For example, in the storage of foodstuffs such as bread which tends to dry out as well as in more rigorous applications, a container must be provided which may be sealed either to prevent the entry of foreign fluids or to prevent leakage of contained fluids and be readily resealable. For example, in the shipment of fluids which are to be delivered by parachute drop to military personnel it his been found that metal containers are not suitable because they are too heavy and bulky. For a lightweight container to be suitable for this purpose, it must have the capability of withstanding pressures which are encountered upon impact with the ground. Furthermore, such container must provide easy access for cleaning before reuse. A lightweight container which is able to withstand both internal and external fluid pressure, which allows ready access to its contents, and which is easily resealable would be particularly suitable for this purpose.

Substantially all of the above requirements have been fulfilled by the Flexible Mouth Container which is described and claimed in US Pat. No. 3,446,420 to Franz G. Rinecker. Although such container has a versatility and convenience of operation far superior to other previously know containers, the embodiments then contemplated which provided particular resistance to opening from internal fluid pressure where relatively complex and cumbersome.

SUMMARY OF THE INVENTION The present invention is a container of the type having a mouth defined by an endmost edge of first and second superposed portions of a flexible sheet which can be opened wide and closed by flattening together and convoluting marginal ends of the superposed sheet portions. The improvement includes a first fastening strip secured to the outside surface of the first sheet portion and having an outwardly facing surface defining a plurality of upstanding hooking elements of flexible resilient material. The first fastening strip is substantially parallel to and spaced from the endmost edge of the flexible sheets a length sufficient to define therebetween a marginal portion which may be folded into a plurality of convolutions to seal the container mouth. A second fastening strip includes first and second longitudinal portions; the first longitudinal portion is secured to the outside surface of the second sheet portion but the second longitudinal portion is unsecured to the second sheet portion and has an inwardly facing surface defining a plurality of complementary hooking elements of flexible resilient material. The second fastening strip is substantially parallel to and spaced from the first fastening strip in a direction away from the endmost edge of the flexible sheets. A large number of hooking elements on the first fastening strip are engageable with a large number of complementary hooking elements on the second longitudinal portion of the second fastening strip when the marginal portion of the sheets is folded into a plurality of convolutions to seal the container mouth and the first fastening strip is folded over into face-toface engagement with the second longitudinal portion of the second fastening member. The resulting bond between the respective fastening strips resists separation but may be separated readily by a peeling force applied substantially normal to the interfacial plane of engagement.

The present invention preferably utilizes hook and loop fasteners such as those described in US. Pats. Nos. 2,717,427 and 3,009,235 which include separable members each comprising a sheet of woven fabric having raised threads of synthetic material wherein the loops of one member are cut at their outer extremities to form hooks while the loops of the other member remain uncut. It is also contemplated that a given member may comprise both hook-type hooking elements and loop-type hooking elements. When the two members of such fastener are pressed together in face-to-face relationship, there is a substantial engagement of hook threads with loop threads. A considerable effort must be applied to separate the members unless they are peeled apart. In that event, the members may be separated quite easily.

The present invention provides a container seal which is particularly effective in resisting internal fluid pressure but which may be opened and closed repeatedly in a relatively simple manner without loss in the effectiveness of the seal. The combination of effectiveness of operation, convenience, and simplicity of construction and operation is not approached in the prior art.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an elevation of a first outside surface of the container of the present invention in an unsealed position;

FIG. 2 is an elevation of a second outside surface of the container of the present invention in an unsealed position which illustrates the construction of the second fastening strip;

FIG. 3 is a section taken substantially along line 3-3 of FIG. 1; and

FIG. 4 is an elevation in section of the container of the present invention in a sealed position.

DESCRIPTION OF THE PREFERRED EMBODIMENT A container 10 of the present invention comprises first and second flexible sheets 11, 12, respectively, which are sealed together along their side edges 14, 15 and at a bottom edge 16. A top endmost edge 18 of the container 10 remains unsealed and defines a container mouth which may be opened wide and closed by flattening together and convoluting marginal ends of the superposed sheet portions 11, 12 as best shown in FIG. 4. Although the improvements of the present invention have application to flexible bag-type containers, the invention resides primarily in the arrangement which permits ease of opening and sealing a container of this type. Accordingly, it is contemplated that a flexible mouth can be provided on a rigid container or on a flexible bag which is inserted into and sealed inside a rigid container.

Referring particularly to FIG. 1, a first fastening strip 20 is adhesively sealed or otherwise suitable secured to the outside surface of the first sheet portion 11. The first fastening strip 20 is disposed substantially parallel to and is spaced from the endmost edge 18 of the flexible sheets a length sufficient to define therebetween a marginal portion 21 which may be folded into a plurality of convolutions to seal the container mouth. An outwardly facing surface 22 of the first fastening member 20 defines a plurality of upstanding hooking elements 23 which are raised loop threads of synthetic material such as superpolyamide. The hooking elements 23 may be closed loops as shown in the present embodiment or they may be cut at their outer extremities to form hooks.

As best shown in FIG. 2, a second fastening strip 25 is secured to the outside surface of the second sheet portion 12. The second fastening strip 25 is disposed substantially parallel to and spaced from the first fastening strip 20 in a direction away from the endmost edge 18 of the flexible sheet. The second fastening strip 25 includes a first longitudinal portion 26 which is secured to the outside surface of the second sheet portion 12 by adhesive or other suitable means; a second longitudinal portion 27 of the second fastening strip 25 which is nearer to the endmost edge 18 than the first longitudinal portion 26 remains unsecured to the second sheet portion 12 and includes an inwardly facing surface 28 defining a plurality of upstanding complementary hooking elements 29 which also are raised loop threads of synthetic material such as superpolyamide. The complementary hooking elements 29 maybe cut at their outer extremities to form hooks as shown in the present embodiment or they may be closed loops. While hooktype hooking elements 29 have been provided on the inwardly facing surface 28 of the second longitudinal portion 27 of the second fastening strip 25 and loop-type hooking elements 23 have been provided on the outwardly facing surface 22 of the first fastening strip 20, it is intended that they may be interchanged and thus hooks provided on the surface of the first fastening strip 20 and loops provided on the surface of the second fastening strip 25. In fact, it is contemplated that a given surface could comprise both hook-type and loop-type hooking elements.

To seal the mouth of the container 10, the marginal portion of the respective sheets ll, 12 are flattened together and folded into a plurality of convolutions until the folded portion coincides with the first fastening strip 20, the outwardly facing surface 22 remaining entirely exposed. Thereafter, the first fastening strip 20 and the convoluted marginal portion 21 are folded together once to the position shown in FIG. 4. At this point, the outwardly facing surface 22 of the first fastening strip 20 is suitably disposed with respect to the inwardly facing surface 28 of the second longitudinal portion 27 of the second fastening strip 25 that the respective surfaces 22, 28 may be pressed together into face-to-face engagement, a large number of hooking elements 23 on the first fastening strip 20 engaging a large number of complementary hooking elements 29 on the second longitudinal portion 27 of the second fastening strip 25 to constitute a bond which resists separation but which may be separated readily by a peeling force applied substantially normal to the interfacial plane of engagement. The convoluted marginal portion 21 is confined so as to effect a fluid-tight seal which maintains its integrity against internal fluid pressure because the force resulting from such pressure acts substantially parallel to the interfacial plane of engagement of the fastening strips 20, 25 rather than in a normal direction.

lClaim:

1. In a container of the type having a mouth defined by an endmost edge of first and second superposed portions of a flexible sheet which can be opened wide and closed by flattening together and convoluting marginal ends of the superposed sheet portions, the improvement in combination therewith comprising a first fastening strip secured to the outside surface of the first sheet portion and having an outwardly facing surface defining a plurality of upstanding hooking elements of flexible resilient material, the first fastening strip being substantially parallel to and spaced from the endmost edge of the flexible sheets a length sufficient to define therebetween a marginal portion which may be folded into a plurality of convolutions to seal the container mouth, and a second fastening strip including first and second longitudinal portions, the first longitudinal portion of the second fastening strip being secured to the outside surface of the second sheet portion and the second longitudinal portion being unsecured to the second sheet portion and having an inwardly facing surface defining a plurality of complementary hooking elements of flexible resilient material, the second fastening strip being substantially parallel to and spaced from the first fastening strip in a direction away from the endmost edge of the flexible sheets; a large number of hooking elements on the first fastening strip being engageable with a large number of complementary hooking elements on the second longitudinal portion of the second fastening strip when the marginal portion of the sheets is folded into a plurality of convolutions to seal the container mouth and the first fastening strip is folded over into face-toface engagement with the second longitudinal portion of the second fastening member to constitute a bond which resists separation but which may be separated readily be a peeling force applied substantially normal to the interfacial plane of engagement.

2. A container according to claim 1 wherein the second longitudinal portion of the second fastening strip is disposed nearer to the endmost edge of the flexible sheets than the first lotggitudinal portion. I

. A container according to claim 1 wherein the convoluted marginal portion is so confined that it is fluid tight.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US917124 *Jul 16, 1908Apr 6, 1909Ernest V PeirsonCommercial package.
US2215989 *Dec 20, 1937Sep 24, 1940Wolf BrothersBag
US2305402 *Nov 19, 1940Dec 15, 1942Touraine Coffee CoFoldable container
US2480500 *Mar 16, 1946Aug 30, 1949Reynolds Metals CoBag for merchandising
US3307773 *Mar 26, 1963Mar 7, 1967Union Carbide CorpReadily closable and reopenable plastic bag
US3325084 *Oct 18, 1965Jun 13, 1967Ausnit StevenPressure closable fastener
US3327928 *Feb 18, 1966Jun 27, 1967Green Carol PBag closure
US3439866 *Nov 8, 1967Apr 22, 1969Hesser Ag MaschfPackaging bag
US3446420 *Feb 8, 1968May 27, 1969American Velcro IncFlexible mouth container
US3554436 *Jun 5, 1969Jan 12, 1971Charles E PalmerRecloseable bag member
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3998304 *Apr 21, 1976Dec 21, 1976C. Willis Edgerton, Jr.Waterproof container for goods
US4079767 *Jun 22, 1976Mar 21, 1978Howard Langhorne MBag construction
US4233977 *Dec 28, 1978Nov 18, 1980Howmedica, Inc.Closure means for collection appliances
US4323189 *May 27, 1980Apr 6, 1982Arvey CorporationClosable pouch
US4402453 *Jun 25, 1981Sep 6, 1983Arvey CorporationPouch with closure seal strip and method for making same
US4408643 *Feb 6, 1981Oct 11, 1983Vonco Products, Inc.Plastic bags having a pressure resistant closure
US5135313 *Aug 14, 1991Aug 4, 1992Gbf Medical GroupChain-of-custody bag
US5715943 *May 16, 1996Feb 10, 1998Thompson Dental Mfg Co, IncReusable sterilization pouch and its method of production
US5816709 *Oct 8, 1997Oct 6, 1998Demus; AndrewLeak-proof personal travel bag
US6146016 *May 28, 1999Nov 14, 2000Michael A. MucciHandle closure system
US6517243Feb 16, 2001Feb 11, 2003Sonoco Development, Inc.Bag with reusable built-in closure tab
US6851161Oct 2, 2002Feb 8, 2005Velcro Industries B.V.Sealing closures
US6991375 *Feb 4, 2003Jan 31, 2006Velcro Industries B.V.Reclosable packaging
US7406810Oct 24, 2005Aug 5, 2008Velcro Industries B.V.Reclosable packaging
US8449511 *Sep 8, 2005May 28, 2013Coloplast A/SActivity ostomy bag
US8590281 *May 13, 2011Nov 26, 2013Shin-Etsu Chemical Co., Ltd.Method for hermetically closing an air-tight bag for pellicle
US8727621Feb 13, 2012May 20, 2014Cryovac, Inc.Easy open and reclosable package with die-cut web and reclosure mechanism
US8807834Apr 3, 2012Aug 19, 2014Cryovac, Inc.Easy open and reclosable package with panel section with easy open sealant, and reclosure mechanism
US8858077Apr 1, 2011Oct 14, 2014Velcro Industries B.V.Reclosable pouch closures and related packaging and methods
US9260214Apr 3, 2012Feb 16, 2016Cryovac, Inc.Easy open and reclosable package with panel section with die-cut, and reclosure mechanism
US20030019780 *Jul 11, 2002Jan 30, 2003Parodi Gustavo Jose CamargoEasy opening, re-closeable bag
US20030228078 *Feb 4, 2003Dec 11, 2003Clune William P.Reclosable packaging
US20040008908 *Apr 14, 2003Jan 15, 2004Shepard William H.Roll top bag constructions
US20050159717 *May 20, 2003Jul 21, 2005B. Braun Medical SasBag for collecting body fluids provided with a device for opening and closing a discharge channel
US20060062496 *Oct 24, 2005Mar 23, 2006Velcro Industries B.V., Netherland CorporationReclosable packaging
US20080075905 *Sep 26, 2006Mar 27, 2008Bradley SiegalAdhesive segment kit
US20080075906 *Jul 20, 2007Mar 27, 2008Bradley SiegalAdhesive segment kit
US20080097360 *Sep 8, 2005Apr 24, 2008Andersen Birthe VActivity Ostomy Bag
US20110280503 *Nov 17, 2011Shin-Etsu Chemical Co., Ltd.Method for hermetically closing an air-tight bag for pellicle
US20150353238 *Jun 10, 2014Dec 10, 2015Cryovac, IncEasy Open and Reclosable Gusseted Package with Die-Cut Web and Reclosure Mechanism
EP0069299A1 *Jun 24, 1982Jan 12, 1983Arvey CorporationPouch with closure seal strip and method for making same
WO1993015969A1 *Feb 18, 1993Aug 19, 1993Thompson Dental Manufacturing Co.Reusable, resealable sterilization bag
WO2002030771A2Oct 10, 2001Apr 18, 2002Velcro Industries B.V.Roll top bag constructions
WO2003096941A1 *May 20, 2003Nov 27, 2003B. Braun Medical SasBag for collecting body fluids provided with a device for opening and closing a discharge channel
Classifications
U.S. Classification383/62, 383/89, 383/90
International ClassificationB65D33/16, A44B18/00, B65D33/24
Cooperative ClassificationA44B18/00, B65D33/24, B65D2313/02
European ClassificationA44B18/00, B65D33/24
Legal Events
DateCodeEventDescription
Apr 1, 1988ASAssignment
Owner name: VELCRO INDUSTRIES B.V., NEIUWE WETERINGSTRAAT 38,
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:VELCRO USA, INC.;REEL/FRAME:004871/0369
Effective date: 19870930
Owner name: VELCRO INDUSTRIES B.V.,NETHERLANDS
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VELCRO USA, INC.;REEL/FRAME:004871/0369