US3580423A - Container closure and apparatus for opening same - Google Patents

Container closure and apparatus for opening same Download PDF

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Publication number
US3580423A
US3580423A US3580423DA US3580423A US 3580423 A US3580423 A US 3580423A US 3580423D A US3580423D A US 3580423DA US 3580423 A US3580423 A US 3580423A
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Grant
Patent type
Prior art keywords
container
disc
mouth
cap
annulus
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 - Lifetime
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John M Gilman
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Realistic Co
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Realistic Co
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00Closures not otherwise provided for
    • B65D51/18Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67BAPPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00Hand- or power-operated devices for opening closed containers
    • B67B7/24Hole-piercing devices
    • B67B7/26Hole-piercing devices combined with spouts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0006Upper closure
    • B65D2251/0015Upper closure of the 41-type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0068Lower closure
    • B65D2251/0093Membrane
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S215/00Bottles and jars
    • Y10S215/03Medical

Abstract

A closure for a container which includes an impervious disc and can also include a resilient annulus overlying the mouth of the container. A retaining ring attached to the container adjacent the mouth having an inwardly directed flange overlies the disc and the annulus to hold the disc and the annulus firmly in assembled relation forming a seal with the mouth. A cap having a tubular spout with a pointed inner end perforates the disc to discharge contents of the container.

Description

United States Patent [56] References Cited UNITED STATES PATENTS 1,617,066 2/1927 Lush 222/81 2,581,897 l/l952 Allen 222/81 3,424,329 H1969 Hershberg et al 215/37 Primary Examiner-David M. Bockenek Att0rneyPearce and Schaeperklaus ABSTRACT: A closure for a container which includes an impervious disc and can also include a resilient annulus overlying the mouth of the container. A retaining ring attached to the container adjacent the mouth having an inwardly directed flange overlies the disc and the annulus to hold the disc and the annulus firmly in assembled relation forming a seal with the mouth. A cap having a tubular spout with a pointed inner end perforates the disc to discharge contents of the container.

PAIENTED MAY 2 5 I97! SHEET 2 BF 3 FIG. 6

FIG. 7

JOHN M. GILMAN Attorneys PATENTEUHAY25|97| $580,423

SHEET 3 UF 3 FIG. l0

INVENTOR. JOHN M. GILMAN BMW! Attorneys CONTAINER CLOSURE AND APPARATUS FOR OPENING SAME This invention relates to closures for nonrefillable containers and to apparatus for opening closures for nonrefillable containers.

An object of this invention is to provide a closure for a nonrefillable container which is liquidtight and which can be punctured with a dispensing cap when contents are to be used.

A further object of this invention is to provide such a clo sure in which the closure forms a seal with the dispensing cap.

Briefly, this invention provides a closure which includes a disc of puncturable material having a facing of polyethylene or other impervious resilient material which overlies and closes an opening in a container. The disc can be combined with an annular member of compressible material such as polyvinyl chloride or paper board or other resilient material which is compressible so that an annular retaining member can hold the disc firmly in engagement with the mouth of the container. A cap having a discharge tube or conduit extending therethrough can be advanced over the closure with a pointed inner end of the conduit puncturing the disc to permit dispensing of contents of the container through the conduit. The conduit can be of a size to engage the interior of the opening of the annulus to form a seal therewith.

The above and other features and objects of the invention will be apparent to those skilled in the art to which this invention pertains from the following detailed description and the.

drawings, in which:

FIG. 1 is a view in side elevation of a container provided with a closure constructed in accordance with an embodiment of this invention;

FIG. 2 is a plan view of the container and closure illustrated in FIG. 1;

FIG. 3 is a view in side elevation of a dispensing cap for the container of FIG. 1;

FIG. 4 is a top plan view of the cap shown in FIG. 3;

FIG. 5 is a bottom plan view of the cap shown in FIGS. 3 and 4;

FIG. 6 is a view in section on an enlarged scale taken on the line 6-6 in FIG. 2;

FIG. 7 is a view in section taken on an enlarged scale on the line 77 in FIG. 4;

FIG. 8 is a view in upright section showing the cap of FIGS. 3-5 and 7 in position for dispensing fluid from the container of FIGS. 1 and 2;

FIG. 9 is a view in upright section ofa portion ofa container constructed in accordance with another embodiment of this invention, a portion of the cap being shown in dot-dash lines in association therewith; and

FIG. I0 is a view in section of a portion of a container constructed in accordance with a further embodiment of this invention, a portion of the cap being shown in dot-dash lines in association therewith.

In the following detailed description and the drawings, like reference characters indicate like parts.

In FIG. I is shown a container 14, which can be of glass or the like having an open mouth 16 (FIG. 6) closed by a closure 17. The container is constructed to contain a single unit or charge ofa liquid I8 and is intended for a single use.

The closure 17 includes a disc or diaphragm 18 of impervious material such as aluminum foil having a coating 19 of a resilient material such as polyethylene which can form a seal with the mouth I6 of the container 14. Outboard of the disc 18' is an annulus 2I of compressible but resilient material such as paperboard or the like. A central opening 22 of the annulus 21 overlies the center of the mouth 16 of the container 14. The annulus 21 is held tightly against the disc I8 by a retainer ring 23 of aluminum or the like to hold the disc in firm engagement with the mouth of the container. The coating 19 can be approximately I mil in thickness being sufficiently thick to form a seal with the mouth of the container. The retainer ring 23 includes an upper flange 24 which overlies the annulus 21, a lower flange 26 which underlies a shoulder 27 of the container 14, and a substantially cylindrical body 28 between the flanges. The upper flange 24 defines an opening 29, which overlies the opening 22 in the annulus 21 and can be slightly larger than the opening 22.

When the contents of the container are to be used, the disc 18 is perforated by means ofa cap 30 (FIGS. 35, 7 and 8). The cap 30 includes a cup-shaped body 31 (FIGS. 3 and 5) having a substantially cylindrical wall 32 which can fit closely around the body 28 of the retaining ring 23, as shown in FIG. 8. Lengthwise ribs 33 on the inner face of the wall 32 can engage the body of the retaining ring to hold the cap in place thereon. As shown in FIG. 7, a tubular member 34 is supported by a base 36 of the cap. The tubular member 34 includes an inner disc-puncturing portion 34' and an outer spout portion 34". When the cap 30 is mounted on the container as shown in FIG. 8, a point 37 on an inner end of the inner portion 34 of the tubular member perforates the disc 18 so that contents of the container can be discharged through the outer spout portion 34" of the tubular member. The cap can be molded as piece from appropriate rigid plastic material or the like. The lower end of the inner portion 34' is cut away at an acute angle to the axes thereof with the point 37 being at the lower or inner end thereof.

In FIG. 9 is sown a container 41, similar to the container already described, which is provided with a closure 42 constructed in accordance with another embodiment of this invention. The closure 42 includes a disc 43 of puncturable but impervious material such as thin polyethylene sheet material under which is mounted an annulus 44 of compressible resilient plastic material such as polyvinyl chloride. A retaining ring 46, similar to the retaining ring described above, holds the disc 43 and the annulus 44 in the firm engagement with the annulus engaging and forming a seal with a mouth 47 of the container 41. A center opening 48 of the annulus is of a size to engage the outside wall of the inner portion 34' of the tubular member 34 to form a seal therewith, being slightly smaller in diameter than the outside diameter of the tubular member 34. The disc 43 can be sufficiently thick to form a good seal but sufficiently thin to be punctured. In a preferred form, the disc 43 can be 5 mils thick. The pointed end 37 of the inner portion 34' of the tubular member enters the opening 48 of the annulus 44, and the inner portion is guided into the centered position shown in FIG. 9 in dot-dash lines.

In FIG. I0 is shown a container 51, similar to the containers already described with a closure 52 constructed in accordance with a further embodiment of this invention. The closure 52 includes a disc 53 of resilient puncturable material such as a polystyrene foam having a coating 54 of polyethylene on a lower face thereof which provides an impervious layer which forms a seal with a mouth 56 of the container. The coating can be about 1 mil in thickness while the foam is substantially thicker, a preferred foam disc being about 25 mils in thickness. An opening 57 in an upper flange 58 of a retaining ring 59 permits entry of the pointed end 37 of the inner portion 34' of the tubular member of the cap as indicated in dotdash lines in FIG. I0 to puncture the disc 53 and permit discharge of the contents of the container through the central tube 34 of the cap. The retaining ring 59 can be similar to the retaining rings described hereinabove.

The closure constructions illustrated in the drawings and described above are subject to structural modification without departing from the spirit and scope of the appended claims.

Having described my invention, what I claim as new and desired to secure by letters patent is:

1. In combination with a container having an open mouth, a closure for the container which comprises an impervious disc and a resilient annulus overlying the mouth, a retaining ring attached to the container adjacent the mouth, the retaining ring having an inwardly directed flange overlying the disc and the annulus to hold the disc and the annulus firmly in assembled relation forming a seal with the mouth of the container, there being an opening in the flange of the retaining ring aligned with an opening of the annulus, the opening of the annulus being exposed, the disc being puncturable to permit discharge of the contents of the container.

2. A combination as in claim 1 wherein a dispensing cap is mountable on the container surrounding the mouth, the dispensing cap including a tubular member having a pointed inner end portion for puncturing the disc and an outer spout portion for dispensing contents of the container, the opening of the annulus guiding the pointed inner end portion of the cap during puncturing.

3. A combination as in claim 2 wherein the annulus is of resilient plastic material and has a central opening of a size to receive and engage the exterior of the tubular member when the dispensing cap is mounted on the retaining ring to form a seal therebetween as contents of the container are dispensedv 4. A combination as in claim 1 wherein the disc includes a metal foil layer and a polyethylene layer, the polyethylene layer engaging the mouth of the container to form a seal therewith.

5. In combination with a container having an open mouth, a closure for the container which comprises a disc which includes a foam body and an impervious polyethylene layer on one face thereof overlying the mouth, the polyethylene layer engaging the mouth of the container to form a seal therewith, a retaining ring attached to the container adjacent the mouth, the retaining ring having an inwardly directed flange overlying the disc to hold the disc in sealing relation with the mouth of the container, there being an opening in the flange of the retaining ring, the disc being puncturable to permit discharge of the contents of the container.

6. A combination as in claim 5 wherein a dispensing cap is mountable on the container surrounding the mouth, the dispensing cap including a tubular member having a pointed inner end portion for puncturing the disc and an outer spout portion for dispensing contents of the container.

Claims (6)

1. In combination with a container having an open mouth, a closure for the container which comprises an impervious disc and a resilient annulus overlying the mouth, a retaining ring attached to the container adjacent the mouth, the retaining ring having an inwardly directed flange overlying the disc and the annulus to hold the disc and the annulus firmly in assembled relation forming a seal with the mouth of the container, there being an opening in the flange of the retaining ring aligned with an opening of the annulus, the opening of the annulus being exposed, the disc being puncturable to permit discharge of the contents of the container.
2. A combination as in claim 1 wherein a dispensing cap is mountable on the container surrounding the mouth, the dispensing cap including a tubular member having a pointed inner end portion for puncturing the disc and an outer spout portion for dispensing contents of the container, the opening of the annulus guiding the pointed inner end portion of the cap during puncturing.
3. A combination as in claim 2 wherein the annulus is of resilient plastic material and has a central opening of a size to receive and engage the exterior of the tubular member when the dispensing cap is mounted on the retaining ring to form a seal therebetween as contents of the container are dispensed.
4. A combination as in claim 1 wherein the disc includes a metal foil layer and a polyethylene layer, the polyethylene layer engaging the mouth of the container to form a seal therewith.
5. In combination with a container having an open mouth, a closure for the container which comprises a disc which includes a foam body and an impervious polyethylene layer on one face thereof overlying the mouth, the polyethylene layer engaging the mouth of the container to form a seal therewith, a retaining ring attached to the container adjacent the mouth, the retaining ring having an inwardly directed flange overlying the disc to hold the disc in sealing relation with the mouth of the container, there being an opening in the flange of the retaining ring, the disc being puncturable to permit discharge of the contents of the container.
6. A combination as in claim 5 wherein a dispensing cap is mountable on the container surrounding the mouth, the dispensing cap including a tubular member having a pointed inner end portion for puncturing the disc and an outer spout portion for dispensing contents of the container.
US3580423A 1969-02-27 1969-02-27 Container closure and apparatus for opening same Expired - Lifetime US3580423A (en)

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Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802604A (en) * 1972-02-28 1974-04-09 Oreal Device for storing two products separately and dispensing them simultaneously
US3938520A (en) * 1974-06-10 1976-02-17 Abbott Laboratories Transfer unit having a dual channel transfer member
US3938707A (en) * 1974-03-06 1976-02-17 Arctic Pac, Inc. Fluid containing and dispersing structure
US3995773A (en) * 1974-03-06 1976-12-07 Arctic Pac, Inc. Flexible liquid containing and dispensing device
US4022258A (en) * 1975-10-28 1977-05-10 American Hospital Supply Corporation Ported closure and connector therefor
US4779764A (en) * 1986-11-19 1988-10-25 Lynes Holding S.A. Pouring stopper
US5013389A (en) * 1988-07-27 1991-05-07 Mudbuster, Inc. Wallboard taping apparatus
US5048723A (en) * 1983-12-30 1991-09-17 Seymour Charles M Bottled water opener and flow controller
US5163583A (en) * 1992-01-03 1992-11-17 Whitworth Ted N Aspiration cap for dispensing blood or other fluids for diagnostic purposes
EP0513229A1 (en) * 1990-02-08 1992-11-19 Cp Packaging Inc Unit dose assembly.
US5230427A (en) * 1991-06-12 1993-07-27 Ppg Industries, Inc. Sterilizable hermetically-sealed substantially glass container
US5334179A (en) * 1992-10-16 1994-08-02 Abbott Laboratories Latching piercing pin for use with fluid vials of varying sizes
WO1995019931A1 (en) * 1994-01-21 1995-07-27 Automatic Liquid Packaging, Inc. Threaded cap with controlled orifice liner for piercing a sealed container
US5711453A (en) * 1995-06-07 1998-01-27 Automatic Liquid Packaging, Inc. Cap with draining spike for use with hermetically sealed dispensing container
US5853109A (en) * 1998-04-29 1998-12-29 Aptargroup, Inc. Dispensing structure with displaceable penetrator and bistable cover actuator
US5893397A (en) * 1996-01-12 1999-04-13 Bioject Inc. Medication vial/syringe liquid-transfer apparatus
US5913296A (en) * 1997-09-30 1999-06-22 Deere & Company Disposable modular fuel container for internal combustion engines
US5927549A (en) * 1998-03-20 1999-07-27 Aptargroup, Inc. Dispensing structure with frangible membrane for separating two products
US5992668A (en) * 1996-07-11 1999-11-30 Aptargroup, Inc. Sealed dispensing closure with a sealed penetrator
US6003728A (en) * 1998-10-22 1999-12-21 Aptargroup, Inc. Dispensing structure with an openable member for separating two products
US6045004A (en) * 1998-03-20 2000-04-04 Aptargroup, Inc. Dispensing structure with dispensing valve and barrier penetrator
US6382441B1 (en) * 2000-03-22 2002-05-07 Becton, Dickinson And Company Plastic tube and resealable closure having protective collar
WO2002060779A3 (en) * 2000-12-01 2002-10-17 Procter & Gamble A disposable package for a volatile liquid
US6477743B1 (en) 2001-08-14 2002-11-12 Seaquist Closures Foreign, Inc. Twist-openable dispensing closure accommodating optional liner puncture feature
US20040067090A1 (en) * 2000-12-01 2004-04-08 The Procter & Gamble Company Disposable package for a volatile liquid
US20090050648A1 (en) * 2007-08-24 2009-02-26 Seaquist Closures L.L.C. Liner piercing twist closure
US20120067883A1 (en) * 2010-09-17 2012-03-22 Saint-Gobain Performance Plastics Corporation Pre-slit donut break seal
US20120199503A1 (en) * 2008-04-17 2012-08-09 Anita Dyrbye Dispensing cap for beverage container
US20160271613A1 (en) * 2015-03-19 2016-09-22 Biomedical Polymers, Inc. Molded plastic needle stick accident prevention dispenser
US9604766B2 (en) 2008-04-17 2017-03-28 From The Earth Naturally Ltd. Dispensing cap for beverage container

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1617066A (en) * 1925-09-18 1927-02-08 Lush Studley Woolcott Means for decanting liquids from metal containers
US2581897A (en) * 1949-02-05 1952-01-08 Hugh C Allen Gravity operated closure with means to form an opening in a container
US3424329A (en) * 1967-06-21 1969-01-28 Schering Corp Sealed injection vial

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1617066A (en) * 1925-09-18 1927-02-08 Lush Studley Woolcott Means for decanting liquids from metal containers
US2581897A (en) * 1949-02-05 1952-01-08 Hugh C Allen Gravity operated closure with means to form an opening in a container
US3424329A (en) * 1967-06-21 1969-01-28 Schering Corp Sealed injection vial

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802604A (en) * 1972-02-28 1974-04-09 Oreal Device for storing two products separately and dispensing them simultaneously
US3938707A (en) * 1974-03-06 1976-02-17 Arctic Pac, Inc. Fluid containing and dispersing structure
US3995773A (en) * 1974-03-06 1976-12-07 Arctic Pac, Inc. Flexible liquid containing and dispensing device
US3938520A (en) * 1974-06-10 1976-02-17 Abbott Laboratories Transfer unit having a dual channel transfer member
US4022258A (en) * 1975-10-28 1977-05-10 American Hospital Supply Corporation Ported closure and connector therefor
US5048723A (en) * 1983-12-30 1991-09-17 Seymour Charles M Bottled water opener and flow controller
US4779764A (en) * 1986-11-19 1988-10-25 Lynes Holding S.A. Pouring stopper
US5013389A (en) * 1988-07-27 1991-05-07 Mudbuster, Inc. Wallboard taping apparatus
EP0513229A4 (en) * 1990-02-08 1993-03-10 Cp Packaging, Inc. Unit dose assembly
EP0513229A1 (en) * 1990-02-08 1992-11-19 Cp Packaging Inc Unit dose assembly.
US5230427A (en) * 1991-06-12 1993-07-27 Ppg Industries, Inc. Sterilizable hermetically-sealed substantially glass container
US5163583A (en) * 1992-01-03 1992-11-17 Whitworth Ted N Aspiration cap for dispensing blood or other fluids for diagnostic purposes
US5334179A (en) * 1992-10-16 1994-08-02 Abbott Laboratories Latching piercing pin for use with fluid vials of varying sizes
WO1995019931A1 (en) * 1994-01-21 1995-07-27 Automatic Liquid Packaging, Inc. Threaded cap with controlled orifice liner for piercing a sealed container
US5462200A (en) * 1994-01-21 1995-10-31 Automatic Liquid Packaging, Inc. Threaded cap with controlled orifice liner for piercing a sealed container
US5711453A (en) * 1995-06-07 1998-01-27 Automatic Liquid Packaging, Inc. Cap with draining spike for use with hermetically sealed dispensing container
US6076704A (en) * 1995-06-07 2000-06-20 Automatic Liquid Packaging, Inc. Cap with draining spike and flip top for use with hermetically sealed dispensing container
US5893397A (en) * 1996-01-12 1999-04-13 Bioject Inc. Medication vial/syringe liquid-transfer apparatus
US6056142A (en) * 1996-07-11 2000-05-02 Aptargroup, Inc. Sealed dispensing closure with a seal penetrator
US5992668A (en) * 1996-07-11 1999-11-30 Aptargroup, Inc. Sealed dispensing closure with a sealed penetrator
US5913296A (en) * 1997-09-30 1999-06-22 Deere & Company Disposable modular fuel container for internal combustion engines
US6045004A (en) * 1998-03-20 2000-04-04 Aptargroup, Inc. Dispensing structure with dispensing valve and barrier penetrator
US5927549A (en) * 1998-03-20 1999-07-27 Aptargroup, Inc. Dispensing structure with frangible membrane for separating two products
US5853109A (en) * 1998-04-29 1998-12-29 Aptargroup, Inc. Dispensing structure with displaceable penetrator and bistable cover actuator
US6003728A (en) * 1998-10-22 1999-12-21 Aptargroup, Inc. Dispensing structure with an openable member for separating two products
US6837954B2 (en) 2000-03-22 2005-01-04 Becton, Dickinson And Company Method of forming a closure for a fluid collection tube
US6382441B1 (en) * 2000-03-22 2002-05-07 Becton, Dickinson And Company Plastic tube and resealable closure having protective collar
US20020079284A1 (en) * 2000-03-22 2002-06-27 Becton Dickinson And Company Closure
WO2002060779A3 (en) * 2000-12-01 2002-10-17 Procter & Gamble A disposable package for a volatile liquid
US20040067090A1 (en) * 2000-12-01 2004-04-08 The Procter & Gamble Company Disposable package for a volatile liquid
US6918710B2 (en) * 2000-12-01 2005-07-19 The Procter & Gamble Company Disposable package for a volatile liquid
US6477743B1 (en) 2001-08-14 2002-11-12 Seaquist Closures Foreign, Inc. Twist-openable dispensing closure accommodating optional liner puncture feature
US20090050648A1 (en) * 2007-08-24 2009-02-26 Seaquist Closures L.L.C. Liner piercing twist closure
US8070014B2 (en) 2007-08-24 2011-12-06 Seaquist Closures L.L.C. Liner piercing twist closure
US20120199503A1 (en) * 2008-04-17 2012-08-09 Anita Dyrbye Dispensing cap for beverage container
US9604766B2 (en) 2008-04-17 2017-03-28 From The Earth Naturally Ltd. Dispensing cap for beverage container
US20120067883A1 (en) * 2010-09-17 2012-03-22 Saint-Gobain Performance Plastics Corporation Pre-slit donut break seal
US9821540B2 (en) * 2010-09-17 2017-11-21 Saint-Gobain Performance Plastics Corporation Pre-slit donut break seal
US20160271613A1 (en) * 2015-03-19 2016-09-22 Biomedical Polymers, Inc. Molded plastic needle stick accident prevention dispenser

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