US3823841A - Closure system for sterile medical liquid container - Google Patents
Closure system for sterile medical liquid container Download PDFInfo
- Publication number
- US3823841A US3823841A US00243687A US24368772A US3823841A US 3823841 A US3823841 A US 3823841A US 00243687 A US00243687 A US 00243687A US 24368772 A US24368772 A US 24368772A US 3823841 A US3823841 A US 3823841A
- Authority
- US
- United States
- Prior art keywords
- cap
- skirt
- cup
- resilient
- combination
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D2203/00—Decoration means, markings, information elements, contents indicators
- B65D2203/04—Level indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0006—Upper closure
- B65D2251/0015—Upper closure of the 41-type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0037—Intermediate closure(s)
- B65D2251/0046—Intermediate closure(s) of the 41-type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D2251/00—Details relating to container closures
- B65D2251/0003—Two or more closures
- B65D2251/0068—Lower closure
- B65D2251/0078—Lower closure of the 41-type
Definitions
- ABSTRACT A closure system for a sterile medical liquid bottle that has a neck with external threads and an annular neck bead below these threads.
- This closure system includes an inner screw cap, an outer tear-off cap, and a rubber cup disposed between these two caps.
- the rubber cup is crimpingly held against the bottle neck bead in a bacteria-tight joint to protect the threaded area of the inner screw cap.
- the outer closure is first torn off and crimping pressure relieved from the rubber cup, and then the cup is rotated to break loose the inner screw cap without completely removing it.
- the rubber cup is vertically separated from the screw cap while the screw cap is still engaged with'the bottle threads. After removal of the resilient cup the screw cap is easily unscrewedfrom the sterile threaded area.
- a sterile medical liquid container is in its closure system. This is because the closure is the portion of the container system that. is handled most during opening for connecting to other containers, administration sets, etc., and also during pouring liquid in surgery. Manufacturers of sterile medical liquid container systems are constantly striving to improve the quality and'reliability of such container systems. In the past it has been common practice to use a double closure system that included an inner cap'over a neck or spout of a bottle and an outer sterility protective cap to protect the inner cap prior to opening the container for dispensing its sterile medical liquid.
- One such container with its double closure system is shown in the Olson US. Pat. No. 3,443,711.
- SUMMARY or THE lNVENTION l have overcome the previously mentioned problems in double closure systems for sterile medical liquid by providing a resilient rubber cup disposed between the inner and outer closures of such medical liquid container systems.
- This'rubber cup has a skirt that is compressed against a neck bead of the container by the outer closure and protects the sterilityof an inner screw cap skirt even if the outer closure should come in contact with a nonsterile liquid.
- the rubber skirt Upon removal of the outer closure to gain access to the container the rubber skirt is relieved from the bead and can rotationally slide against this bead and act'as a protective cover for the entire structure of the inner screw cap closure.
- This rubber cup has a portion of its skirt that overlies and .frictionally engages the inner screw cap so an operator can grasp the rubber cup and use it to break the inner screw cap loose from the bottle while it is still encased by the sterile inner surface of the rubber cup.
- the opening procedure continues with vertically lifting the rubber cup from the inner screw cap while such cap is still intermeshed with the screw threads (but loosened). This vertical lifting of the rubbercup leaves a sterile outer surface over the entire inner screw cap. Since the screw cap has been previously loosened the operator can then very easily use thumb and forefinger to completely unscrew the screw cap and lift it from the bottle neck. There is no need to manually wrestle with the bottle and screw cap to break it loose.
- FIG. 1 is a front perspective view of the sterile medi cal liquid container and closure as his ready for shipment and storage;
- FIG. 2 is an enlarged exploded front perspective view showing an embodiment of the three elements of the closure system
- FIG. 3 is a further enlarged sectional view through the closure system ofFIG. 2 mounted on a glass bottle;
- FIG. 4 is a top perspective view showing the combi nation of another embodiment of an outer cap structure and resilient cup
- FIG. 5 is a perspective top view of the combination of still another embodiment of an outer cap and a re'silient cup
- FIG. 6 is an enlarged sectional view taken along line
- FIG. 7 is a top perspective view showing another em bodiment of the outer cap structure and its relationship to the resilient cup member
- FIG. 8 is an enlarged sectional view taken along line
- FIGS. 9 throughlZ show the sequences of steps in opening the closure system of this invention so as to lessen the risks of contaminating the screw threads and mouth structure of the bottle.
- FIG. 1 shows the bottle 1 with one embodiment of the closure system 2 attached to the bottle neck.
- the bottle 1 shown in FIG. 2 is of a rigid glass construction but could be made of other materials such as thermoplastis if desired.
- the three part closure system assembled to the bottle neck is best shown in the enlarged sectional view of FIG. 3.
- the glass bottle neck 6 terminates at its upper end in a dispensing mouth 10 surrounded by a lip 11.
- the screw cap 3 includes atop wall 12 and a depending threaded skirt 13 that threadingly engages with screw threads 7 of the bottle neck.
- the bottom of the screw caps skirt 13 is turned outwardly to form a protruding flange l4. Directly below flange I4 is neck.
- the rubber cup member 5 that tits over the screw cap 3 includes a top wall 16 and a depending skirt 17 that overlies the threaded skirt portion of the screw cap. Skirt 17 of the rubber cup engages both the protruding cup skirt 17 against annular glass bead 8 to form abacteria-tight seal below the threaded portion of the screw cap skirt 13. With this arrangement the threaded area of the screw cap and bottle are protected from bacterial contamination even if the outer portion of the bottle enclosure system should come in contact with non-.
- FIG. 4 shows one embodiment of the combination.
- the outer tear-off cap includes a top wall 22 with a depending skirt 23.
- the top wall has generally U- shaped groove 24 that extends only partially through said top wall 22. The purpose of this groove is to provide a tear-out portion of the top wall without having a cut extending completely through the top wall to provide a bacterial contamination path.
- This U-shaped. .groove extends down skirt 23 groove legs 25 and 26.
- the grooves in skirt 23 likewise ,do not proceed through the entire thickness of the skirt.
- a pull ring 27 is attached to the tear-out center portion and when pulled with sufficient force rips apart the center portion 28 and breaks at least one of the grooves 25 or 26 completelyto the bottom of skirt 23.
- the outer tearapart cap can be removed from the inner rubber cup.
- the rubber cup construction shown in combination with the outer tear-off cap in FIG. 4 includes a top wall 30 and a depending skirt 31.
- This rubber cup also has a series of ribs 32 and 33 that extend partially across its top surfaceand partially downits skirt. The purpose of these ribs are two-fold. First they add structural rigidity to the rubber cup member. Secondly, and very importantly, they provide a vent system between the rubber cup and the outer tear-off cap during assembly. This venting in a space between ribs 32 and 33 prevents the rubber cup from acting as a pressure piston inside the outer tear-off cap creating a pressurized'air pocket during assembly.
- FIG. shows another embodiment of the outer cap and rubber cup combination.
- the outer tear-off cap 35 has a series of louvers'36 and 37 in its skirt.
- louvers which are shown in large sectional view in FIG. 6 are shown in large sectional view in FIG. 6 are shown in large sectional view in FIG. 6.
- the inner rubber cup 40 does not include the ribs as shown in the FIG. 4 version.
- This louver structure is formed by stamping operation which displaces a metal portion 42 from skirt 43 and provides a passage at 44. If desired, punched holes in the outer capskirt could be used in lieu of the louvers.
- FIG. 7 Still another embodiment of the outer tear-off cap and rubber cup combination is shown in FIG. 7.
- the rubber cup 45 is identical to that shown in FIG. 4.
- the outer tear-off cap 46 includes a top wall 47 that hasa C-shaped slot 48 extending completely through top wall 47. This slot 48 connects with grooves 49 and so which extend partly down the'skirt 51 of the "tear-off closure cap. A center portion 52 of the closure cap can be grasped and pulled to rip apart skirt 51 at either groove 49 or 50.
- This is the preferred embodiment in that it is easy to assembly the two parts and the C-shaped slot aids ineasy tearing apart of the outer cap.
- At least one includes a coated wall system across its entire top wall and depending skirt.
- Sand 6 the rubber cup is such closed member. The venting structure occurs outside the rubber cup.
- the rubbercup 5 includes a vent hole 53.
- the outer cap 4 forms the closed wall system and air is forced out through hole 53 during subassembly of the rubber cup and outer cap.-
- the outer cap 4 is identical with that of FIG. 4,' but in FIG. 2 the rubber cup does not have the ribs. It is also possible to use different combinations of the outer tear-off cap and rubber cup shown in these drawings.
- the rubber cup 45 of FIG. 7 is shown in enlarged cross-sectional view in FIG. 8.
- the top wall'54 which is 0.100 to 0.150 inch, is substantially thicker than the depending skirt 55 that is from 0.020 to 0.080 inch thick.
- the purpose of thethicker top wall is to provide structural ridigity in handling the cup during assembly.
- the thinner skirt is to provide easier sealing and compressibility control when sealing against the glass bead 8 of the bottle.
- At a bottom end of resilient rubber cup 45 is an internal beveled surface 56 for providing an easy assembly 'onto inner screw cap .3.
- the rubber cup is of a natural rubber with a 40-70 Shore A hardness, and a 10 40 percent compression set according to ASTM Test No. D395-6l.
- the rubber has a- 60 Shore A hardness with a 20 percent compression set. If the compression set is below 10 percent the rubber tends to uncrimp the metal outer cap. With more than 40 percent compression set the rubber does not make a good seal.
- the rubber cup combines with the outer cap and inner screw cap to provide an improved closure system bottle.
- FIGS. 9 through 12 show the unique sequence of opening the closure system of this invention to reduce risks of contaminating the outer pouring lip and thread structure of the bottle. This sequence of steps begins with FIG. 9, shown with the outer cap and cup combination of FIG. 7 fitting over the inner screw cap and bottle shown in FIG. 2. Here the outer tear -off cap 46 is ripped apart and separated from the bottle. This leaves the rubber cup 45 disposed over the inner screw cap on bottle 1. H
- skirt and glass bead 8 is relieved from its firm compressive grip'about' glass bead 8 on the neck of the bottle. Since its compressive outer cap has been removed, the
- rubber band-like skirt can rotatably slide against the glass bead 8 while it is still overlying both the threaded skirt 1'3 and bead 8. It is noted in FIG. 3 that the external flange 14 slightly gouges into the skirt. This allows the operator to firmly grip the inner caps screw thread through the slip resistant rubber skirt of the rubber cup.
- the flange 54 causes the frictional engagement between the screw cap and resilient cup skirt tobe concentrated over a sufficiently small area so that it is easy ,to lift off the cup. This leaves a sterile inner screw cap that fits loosely on the bottle neck but which has not been touched by the operator's hands.
- FIGS. 9 to 12 eliminates this and provides less of a risk of contamination when opening the closure system of this invention.
- the various elements of this invention including the container and closure system can be made of various materials. However, I have found that the invention works very satisfactorily when the bottle is of glass, the inner screw cap is of aluminum, the resilient cup is of natural rubber, and the outer tear-off cap is of aluminum.
- a container having a dispensing mouth and an external annular bead adjacent to saidmouth; an inner cap with a skirt removably se-" cured to the container between the mouth and bead; a
- vent means is a'C-shaped opening in a top wall of theexternal cap.
- vent is comprised of one or more louvered openings in a skirt of said external cap.
- the external cap is the imperforate member and the resilient cup member has one or more rib means for spacing aportion of the resilient cup skirt asufficient distance from the external cap skirt to permit-air passage during telescopic assembly of the external cap and resilient cup.
- the resilient cup has atop wall and a depending skirt, and has at least onerib that extends along an external portion of said top wall and downwardly along an exterternal cap with a skirt crimpably compressing said resilient band against said bead, said resilient band that overlies said inner cap skirt adapted tob'e manually compressed against said cap for breaking the inner cap loose from the container after the external cap has been removed.
- a medical-liquid container for sterile liquids having'a threaded neck with a removable screwcap thereon and an external annular head on the container below said screw cap, the improvement of: an-annular resilient band encircling said container and overlying at least a portion of said bead and at least a portion of said screw cap; external annular compression means compressinglysealing the annular resilient band against said bead; and an imperforate sterility closure member fitting over said screw cap and integrally joined to one of said annular compressive means and said resilient band.
- a resilient cup disposed between said inner and outer caps, said resilient cup having a depending skirt overlying said-annular bead; and said outer tear-off cap crimpingly compressing said resilient cup skirt against said bead.
- the resilient cup has a top wall that is integral with the skirt and said top wall is substantially thicker than the skirt for structural support of said compressible skirt.
- top wall has a thicknessof 0.100 to 0.150 inch.
- the resilient cup skirt has an inner surface and an outer surface and a lower'edge surface, said lower edge surface being upwardly beveled towards its inner skirt surface, thereby providing a substantial annular beveled throat for telescopic assembly of resilient cup over said inner cap and protruding annular bead of said container.
- a sterile medical liquid container having a dispensing outlet closed off by a three part closure system that includes a removableinner closure member; an
- outer closure includes a top wall and a depending skirt secured to said container; said outer closure including a score line penetrating only partially through the top wall of the outer closure, which score line defines a removable portion of said top wall; a pull tab means connected to said removable portion for breaking the removable portion out from said top wall for gaining access to said inner closure, said top wall and depending skirt of the outer closure being imperforate for providing a bacterial sterility barrier for the inner closure prior to breaking the score line; and a resilient cup confined between the outer closure and inner closure for providing a watertight seal between the two closures when the container and closure system is subjected to steam sterilization.
- a rigid glass bottle with a tubular dispensing neck having external screw threads located between an upper lip surface surrounding an outlet opening and an external annular neck bead below said lip; a sterile medical liquid within said bottle; a metal screw cap with a top wall, and a skirt threadingly received on said bottle neck, a gasket liner inside said screw cap held in pressure contact with the bottle lip; a rubber cup having a top wall engaging a top wall of the screw cap and an integral depending rubber skirt completely encircling and overlying theskirt of the screw cap and extending below said screw cap skirt to overlie the annular neck bead of the bottle; a tear-apart metal cup-shaped outer cap telescoped over said rubber cup, said outer cap having a top wall and a depending skirt overlying the rubber cup skirt and compressingly urging it into bacteria-tight contact .with the annu-.
- said outer cap having a break-apart section with a pull tab connected thereto for ripping apart the outer cap skirt to relieve compressive forces on the rubber cup skirt, whereby the rubber cup can thereafter be rotated for breaking loose the screw cap from the threaded bottle neck.
Abstract
Description
Claims (26)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US00243687A US3823841A (en) | 1972-04-13 | 1972-04-13 | Closure system for sterile medical liquid container |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00243687A US3823841A (en) | 1972-04-13 | 1972-04-13 | Closure system for sterile medical liquid container |
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US3823841A true US3823841A (en) | 1974-07-16 |
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US00243687A Expired - Lifetime US3823841A (en) | 1972-04-13 | 1972-04-13 | Closure system for sterile medical liquid container |
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Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3952901A (en) * | 1974-07-02 | 1976-04-27 | Dairy Cap Corporation | Tamper-proof overcap construction |
US4784279A (en) * | 1987-07-31 | 1988-11-15 | The West Company | Present invention relates to improvements in tamper-proof closures |
US4807769A (en) * | 1988-03-15 | 1989-02-28 | Sunbeam Plastics Corporation | Tamper indicating closure |
US5111978A (en) * | 1991-01-16 | 1992-05-12 | Continental Plastics, Inc. | Fitment retained in container closure |
US5388731A (en) * | 1993-05-04 | 1995-02-14 | Continental Plastics, Inc. | Cap and dispensing fitment combination wherein the cap has retaining means engaging the fitment |
US5755360A (en) * | 1996-07-11 | 1998-05-26 | Aptargroup, Inc. | Multi-material, multi-shot, injection molded dispensing closure having a removable seal |
US5769277A (en) * | 1996-07-11 | 1998-06-23 | Aptargroup, Inc. | Dispensing closure having a force-directing removable seal |
US20020100742A1 (en) * | 2001-01-30 | 2002-08-01 | Gilles Jourdin | Device for fastening a distribution component on a vessel neck |
US6655553B2 (en) | 2000-10-25 | 2003-12-02 | Seaquist Closures Foreign, Inc. | Dispensing closure with tamper-evident sleeve |
WO2004080837A1 (en) * | 2003-03-12 | 2004-09-23 | Peter Querbach | Packaging system for a beverage bottle, in particular a bottle of sparkling wine or wine and method for packaging a beverage bottle |
US20050077263A1 (en) * | 2003-10-10 | 2005-04-14 | Garcia Omar Alcides | Bottle stopper |
US20050116382A1 (en) * | 2002-07-12 | 2005-06-02 | Philippe Nusbaum | Closure device comprising a hinged cap moulded in the closed position |
US20050173367A1 (en) * | 2002-07-12 | 2005-08-11 | Philippe Nusbaum | Closure device comprising a hinged cap moulded in the closed position |
US20050173368A1 (en) * | 2002-07-12 | 2005-08-11 | Philippe Nusbaum | Closure device comprising a hinged cap moulded in the closed position |
US20060102496A1 (en) * | 2004-11-12 | 2006-05-18 | Bruce Christy | Contact lens case having a lid with soft gripping surface |
US20060118582A1 (en) * | 2004-12-03 | 2006-06-08 | Kuei-Chun Hsu-Yeh | Dropper |
US20060186081A1 (en) * | 2005-02-21 | 2006-08-24 | Penn-Wheeling Closure, Llc | Bottle cap and method therefor |
WO2006094632A1 (en) * | 2005-03-07 | 2006-09-14 | Peter Querbach | Drink bottle, especially a wine or champagne bottle, and method for closing a drink bottle |
JP2006321543A (en) * | 2005-05-20 | 2006-11-30 | Institute Of Physical & Chemical Research | Sealing cap and hermetic container |
US20070181526A1 (en) * | 2006-01-14 | 2007-08-09 | Abe Frishman | Easy-pull bottle cap |
WO2010020926A1 (en) * | 2008-08-17 | 2010-02-25 | Mcg Industries (Pty) Limited | Closure arrangement |
US20100200534A1 (en) * | 2007-01-25 | 2010-08-12 | Abe Frishman | Easy pull bottle cap |
US7775393B1 (en) | 2007-05-09 | 2010-08-17 | Vladimir Feldman | Combination closure-cup assembly |
US8684225B2 (en) | 2009-09-15 | 2014-04-01 | A. Raymond Et Cie | Locking cap for a vessel having a neck |
US8684204B2 (en) | 2009-10-01 | 2014-04-01 | A. Raymond Et Cie | Locking cover for a vessel having a neck, including a cap having attachment tabs |
WO2015147889A1 (en) * | 2014-03-28 | 2015-10-01 | Abe Frishman | Bottle crown with opener assembly |
USD747201S1 (en) | 2013-09-18 | 2016-01-12 | Bericap | Closure |
US9321562B2 (en) | 2006-01-14 | 2016-04-26 | World Bottling Cap Llc | Bottle crown with opener assembly |
US9382044B2 (en) | 2012-02-13 | 2016-07-05 | A. Raymond Et Cie | Locking device for a cap |
US9649254B2 (en) | 2006-01-14 | 2017-05-16 | World Bottling Cap, LLC | Medical vial cap |
CN107411491A (en) * | 2017-09-14 | 2017-12-01 | 佛山市南海区昊森机械设备有限公司 | A kind of cup kettle |
US9975669B2 (en) | 2013-12-24 | 2018-05-22 | Berlcap | Hinged closure device with first opening indicator |
USD833278S1 (en) | 2014-09-03 | 2018-11-13 | Bericap | Closure for a container |
US11548683B2 (en) | 2014-03-28 | 2023-01-10 | World Bottling Cap, LLC | Bottle crown with opener assembly |
US11613397B2 (en) | 2019-09-12 | 2023-03-28 | Owens-Brockway Glass Container Inc. | Ring pull cap rim for glass containers |
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US3013687A (en) * | 1959-02-09 | 1961-12-19 | Gutmann & Co Ferd | Closure for packages of biological products |
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US3596790A (en) * | 1969-06-11 | 1971-08-03 | Aluminum Co Of America | Closure assembly |
US3664536A (en) * | 1970-05-22 | 1972-05-23 | Cutter Lab | Screw type closure cap |
US3717276A (en) * | 1971-02-12 | 1973-02-20 | Owens Illinois Inc | Vented closure |
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1972
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US2961109A (en) * | 1954-09-07 | 1960-11-22 | Vetri Ind S A R L | Composite closure caps and method for fitting same on containers |
US2808954A (en) * | 1956-05-24 | 1957-10-08 | Owens Hlinois Glass Company | Tamper-proof closures for containers |
US2974815A (en) * | 1956-10-22 | 1961-03-14 | Jean Masbach | Inner container cap with pouring outlet |
US3027035A (en) * | 1958-05-13 | 1962-03-27 | Jacquelyn L Farago | Safety closure for containers and the like |
US3013687A (en) * | 1959-02-09 | 1961-12-19 | Gutmann & Co Ferd | Closure for packages of biological products |
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US3416687A (en) * | 1966-09-19 | 1968-12-17 | Arnaud Fabian | Container |
US3439825A (en) * | 1967-12-07 | 1969-04-22 | West Co | Container closure |
US3596790A (en) * | 1969-06-11 | 1971-08-03 | Aluminum Co Of America | Closure assembly |
US3664536A (en) * | 1970-05-22 | 1972-05-23 | Cutter Lab | Screw type closure cap |
US3717276A (en) * | 1971-02-12 | 1973-02-20 | Owens Illinois Inc | Vented closure |
Cited By (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3952901A (en) * | 1974-07-02 | 1976-04-27 | Dairy Cap Corporation | Tamper-proof overcap construction |
US4784279A (en) * | 1987-07-31 | 1988-11-15 | The West Company | Present invention relates to improvements in tamper-proof closures |
US4807769A (en) * | 1988-03-15 | 1989-02-28 | Sunbeam Plastics Corporation | Tamper indicating closure |
US5111978A (en) * | 1991-01-16 | 1992-05-12 | Continental Plastics, Inc. | Fitment retained in container closure |
US5388731A (en) * | 1993-05-04 | 1995-02-14 | Continental Plastics, Inc. | Cap and dispensing fitment combination wherein the cap has retaining means engaging the fitment |
US5755360A (en) * | 1996-07-11 | 1998-05-26 | Aptargroup, Inc. | Multi-material, multi-shot, injection molded dispensing closure having a removable seal |
US5769277A (en) * | 1996-07-11 | 1998-06-23 | Aptargroup, Inc. | Dispensing closure having a force-directing removable seal |
US6655553B2 (en) | 2000-10-25 | 2003-12-02 | Seaquist Closures Foreign, Inc. | Dispensing closure with tamper-evident sleeve |
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