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Publication numberUS3784039 A
Publication typeGrant
Publication dateJan 8, 1974
Filing dateJan 10, 1972
Priority dateJan 10, 1972
Also published asCA963436A1, DE2300688A1
Publication numberUS 3784039 A, US 3784039A, US-A-3784039, US3784039 A, US3784039A
InventorsL Marco
Original AssigneeIllinois Tool Works
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Nursing bottle construction and assembly
US 3784039 A
Abstract
A disposable nursing container made from a preform having an annulus and a plastic material wall integral therewith and extending across the opening therethrough to be subjected to localized heating and forming of the plastic material into a container with a thin flexible wall remaining integral with the annulus and collapsible or foldable within the confines of the annulus to form a saleable article which can later be interiorly attached to a more permanent type of holder with the flexible container wall disposed therein and filled with formula for dispensing through a nipple attached to the annulus.
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Description  (OCR text may contain errors)

O Unlted States Patent 1 1 1 1 3,784,039 Marco Jan. 8, 1974 [54] NURSING BOTTLE CONSTRUCTION AND 2,599,630 6/1952 Hair 215/11 E ASSEMBLY 2,446,451 8/1948 Allen 222/107 X R 2,152,862 4/1939 Bergerioux 222/105 [75] Inventor: Leslie Stephan Marco, Oaklawn, lll. 73 Assignee: Illinois Tool Works Inc.,' Chicago, Primary l'lwminerDonald Noflon lll. v Attorney-R. W. Beart et al.

[22] Filed: Jan. l0, 1972 7 ABSTRACT PP -z 216,402 A disposable nursing container made from a preform having an annulus and a plastic material wall integral 52 US. Cl. 215/11 E, 21s/1Ic,- 150/.5, therewith and extending the Penmg there- 222/105 through to be subjected to localized heating and form- 51 1111. C1. A6lj 9/00 ing of the Plastic material a container with a thin 58 Field of Search .(215/11 R, 11 E; flexible Wall remaining integral with the annulus and 222/105, 107 183 collapsible or foldable within the confines of the annulus to form a saleable article which can later be interi- [56] References Cited orly attached to a more permanent type of holder with the flexible container wall disposed therein and filled UNITED STATES PATENTS with formula for dispensing through a nipple attached 2,876,113 3/1959 Barton 215/11 E X to the annulus 3,083,877 4/1963 Gash 222/107 3,209,963 10/1965 Krieps 215 73 ux 2 Claims, 4 Drawing Figures NURSING BOTTLE CONSTRUCTION AND ASSEMBLY Disposable nursing containers have come into rather extensive use in recent years and have the advantage of minimizing sterilization of formula containers and nursing bottles for reuse in that these containers may be discarded after feeding. There are various types of such disposable nursing containers which include a container body of thin, flexible and retractile plastic material which is relatively inexpensive and so disposable after a single use. In one form of such containers, the open end of the collapsible bag or container is attached between a clamping ring and the external surface of an adapter to which a nipple is suitably secured. In another type of such containers, the open end of the bag is attached between the nipple adapter and the interior end surface of an outer container or sleeve serving as a rigid holder for the flexible bag and formula disposed therein. In still another form of such containers, the nipple and flexible bag may be formed integrally with one another and the container pre-filled with formula in sterile condition for subsequent dispensing thereof.

According to the present invention, an object is to provide an integrally formed collapsible bag and nipple annular adapter in sterile condition for subsequent filling with formula and nipple attachment for dispensing.

Another object of the invention is to provide a bag and adapter assembly of the above type wherein the bag may be collapsed within the confines of the adapter as a small unit which may be combined with others in a multiple unit package for retail sale.

A further object of the invention is to provide a bag and adapter assembly substantially of the above type wherein the adapter is further configured for mounting within a more rigid holder which may be in the form of a sleeve enclosing the formula filled bag therewithin.

The invention still further aims to provide a preform of the nipple adapter and plastic material extending across the opening in the annular adapter for subsequent localized heating and formation thereof into the collapsible bag remaining integral with the adapter.

In the accompanying drawing:

FIG. 1 is an exploded view showing the various parts of the nursing container and holder;

FIG. 2 is a view showing a multi-unit package of scaled and sterile nursing containers with the bags collapsed within respective adapters;

FIG. 3 is a view showing the nursing container assembled to a holder with the seal being removed for pouring the formula to extend the bag to the dotted line position within the holder; and

FIG. 4 is a view showing the preform in diagrammatic association with mold parts into which the plastic material is shaped to form the bag.

With reference to FIG. 1 of the drawing, the various parts of the assembly are shown separated from top to bottom as a conventional nipple a sealing closure 12 for the outer end of a nipple adapter 14 which has a collapsible bag 16 integral therewith for disposition within a holder 18. The nipple adapter 14 is in the form of an annular sleeve or collar having external screw threads 20 or other surface configuration for attachment to a similar internal configuration on the skirt of the nipple. An annular sealing ledge 22 projects outwardly from the adapter below the threads and an annular snap ring 24 is disposed therebelow for snap engagement with a cooperating snap groove 26 opening inwardly of the upper open end of the holder 18.

As illustrated, the bag 16 is formed integral with the upper end of the adapter, as will be hereinafter described, and extends therethrough to the pendent position of FIG. 1 with the interior thereof suitably sterilized and collapsed within theconfines of the adapter, the upper end of which is then sealed by the closure 12 afiixed thereto. In such sterile condition, this assembly with the bag collapsed within the adapter may be associated with others as a multi-unit package shown in FIG. 2. Such a multi-unit package may be sold separately, or at least in the first instance, it may be sold with a holder 18 and even packaged therein.

For feeding use, an adapter and bag may be removed from the package and associated with the holder by snapping the ring 24 of the adapter into the groove 26 of the holder 18, as shown in FIG. 3. The invention contemplates that the adapter 14 may be provided with internal threads that cooperate with an externally threaded holder 18. The sealing closure 12 is then removed and the formula poured through the open end of the adapter to reposition the bag 16 to depend therefrom as also shown in the dotted line position of FIG. 3. The formula is thus admitted to the sterile or aseptic bag and the nipple 10, previously sterilized, is applied to the threads 20 or other surface configuration on the adapter and the assembly is ready for feeding. The holder 18 while illustrated as frusto-conical to house and support the filled bag, may have other suitable shapes. The holder may be held by the mother or other attendant, or it may be supported by an infant if of that age. Since the holder is of relative permanence, it may be variously decorated, ribbed and the like for attractiveness. After feeding, the ledge 22 serves as a finger gripping surface to remove the adapter and bag from the holder and after removal of the nipple 10, the adapter and plastic bag may be discarded as a disposable unit, leaving the holder for association with another unit at the next feeding.

With reference to FIG. 4 which is diagrammatic, the nipple adapter 14 and domed plastic material 30 closing one end thereof are molded as by injection molding, integrally from suitable plastic materials as a preform with the thread 20, ledge 22 and snap ring 24 formed on the adapter collar. The thickness of the plastic material of the dome or other configuration across the adapter is such that it can be reshaped and stretched into the collapsible plastic bag portion. Thus, the assembly of adapter and plastic closing wall 30 provides an intermediate article of manufacture from which the above described nursing container is made. Thus, for example, the preform can be associated with mold parts 32, 32a (FIG. 4) at the open end thereof, with the interior surfaces of the mold conforming to the configuration of the bag. The material of the plastic closure or dome 30 may be heated in known manner, as by radiant heat, and without heating of the adapter which has been preformed as indicated. When the material of the dome is sufficiently heated, a conventional thermoforming plug is pushed against the dome in the direction of the arrow X forming the material through the adapter to an initial position within the mold to serve as a parison blank which is then shaped to the bag configuration 16 as shown in dotted lines. This shaping can be accomplished by differential pressure as, for example, by air under pressure through the forming plug or by vacuum applied within the mold. After cooling and removal, the finished bag and adapter will be as shown in FIG. 1 with the bag lining the interior surface of the adapter collar but with other molding techniques, the plastic material closure of the preform could be initially associated with the adapter at other locations as across the bottom or an intermediate portion thereof.

I claim:

1. A disposable nursing container for receiving a threaded nipple assembly and capable of being snapped within a holder, said container comprising an annular nipple adaptor and a bag, said nipple adaptor and bag being formed as one piece from a thermoplastic material, said bag being substantially thinner than said nipple adaptor and formed substantially flexible and collapsible, the peripheral edge portion of the open end of said bag being formed on the upper peripheral rim portion of said nipple adaptor with said bag completely disposed within said nipple adaptor in the collapsed condition of said bag and with said bag pendent through and below said nipple adaptor in the fluid receiving condition of said bag, a snap ring formed on the lower end of said nipple adaptor for snapping said adaptor on a complementary configured holder, and the outer side wall of said nipple adaptor above said lower end thereof being formed to have threads for receiving a complementary formed threaded nipple assembly.

2. A disposable nursing container as claimed in claim I, and a removable closure sealed over the upper peripheral rim portion of said nipple adaptor with said bag collapsed within said nipple adaptor.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2152862 *Sep 17, 1937Apr 4, 1939Rene BergerlouxContainer for dispensing materials
US2446451 *Oct 27, 1944Aug 3, 1948Disposable Bottle CorpNursing unit with retractable container therefor
US2599630 *Aug 29, 1949Jun 10, 1952Emma HairDisposable feeding bottle for babies
US2876113 *Aug 13, 1956Mar 3, 1959Barton Donn CPackaging device for merchandising food concentrates
US3083877 *Oct 25, 1960Apr 2, 1963Moulded Products Australasia LCollapsible container with corrugations to facilitate the collapse of its walls
US3209963 *Jul 26, 1963Oct 5, 1965Container CorpCaptive dispensing closure arrangement
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3900120 *Feb 12, 1973Aug 19, 1975Monsanto CoPreforms for forming pressurized containers
US4094432 *Feb 9, 1977Jun 13, 1978Bergen Barrel & Drum Co.Industrial drums
US4397643 *May 4, 1981Aug 9, 1983Sherwood Medical CompanyDrainage collection device with disposable liner
US4815615 *Dec 18, 1987Mar 28, 1989Royal Industries (Thailand) Co., Ltd.Infant feeding system
US4895264 *Oct 22, 1986Jan 23, 1990Royal Industries (Thailand) Co., Ltd.Infant feeding system
US4925055 *Nov 28, 1988May 15, 1990Edward S. Robbins, IIIContainer with unitary bladder and associated dispenser cap
US4930644 *Dec 22, 1988Jun 5, 1990Robbins Edward S IiiThin film container with removable lid and related process
US5060816 *Nov 7, 1989Oct 29, 1991Robbins Edward S IiiComposite container and associated carrier
US5224613 *Aug 31, 1990Jul 6, 1993Robbins Edward S IiiCollapsible container
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Classifications
U.S. Classification215/11.3, 215/900, 264/525, 215/395, 215/376, 264/522, 264/521, 215/44, 264/535, 222/105, 264/550
International ClassificationA61J9/00
Cooperative ClassificationY10S215/90, A61J9/001
European ClassificationA61J9/00A
Legal Events
DateCodeEventDescription
Jun 13, 1986AS02Assignment of assignor's interest
Owner name: DART CONTAINER CORPORATION, 432 HOGSBACK ROAD, MAS
Owner name: ILLINOIS TOOL WORKS, INC.
Effective date: 19840127
Jun 13, 1986ASAssignment
Owner name: DART CONTAINER CORPORATION, 432 HOGSBACK ROAD, MAS
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ILLINOIS TOOL WORKS, INC.;REEL/FRAME:004568/0710
Effective date: 19840127