US3339770A - Container closure - Google Patents

Container closure Download PDF

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Publication number
US3339770A
US3339770A US471323A US47132365A US3339770A US 3339770 A US3339770 A US 3339770A US 471323 A US471323 A US 471323A US 47132365 A US47132365 A US 47132365A US 3339770 A US3339770 A US 3339770A
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Prior art keywords
cap
container
lugs
mouth
side wall
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Expired - Lifetime
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US471323A
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Weigand Bruno
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Tamper Proof Tops Industries Ltd
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Tamper Proof Tops Industries Ltd
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Priority to US471323A priority Critical patent/US3339770A/en
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    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/06—Threaded or like caps or cap-like covers secured by rotation with bayonet cams, i.e. removed by first pushing axially to disengage the cams and then rotating

Definitions

  • CONTAINER CLOSURE Filed July 12, 1965 2 Sheets-Sheet 2 INVENTOR 5904/0 we'lsnn/o Fl 7 BY United States Patent 3,339,770 CONTAINER CLOSURE Bruno Weigand, Toronto, Ontario, Canada, assignor, by
  • My invention relates to containers in the category of bottles, jars, vials and the like, and more particularly to containers of poisonous or harmful substances. Usually, such containers are marked or labeled to indicate the nature of their contents. However, closures for them are conventional screw or pressure caps, which may be opened with little effort.
  • a further object is to employ a resistance factor in the novel closure which requires more pressure than a young child can exert in order to free the closure for the opening movement.
  • Another object is to design the resistance factor in the form of an external tensionable skirt depending from the screw-cap of the container, such skirt being placed under tension as the cap is turned in the closing direction.
  • a still further object is to include a locking factor in the closure which prevents the accidental unscrewing of the cap after it has been turned to the closed position.
  • An important object is to design the closure along lines of neatness and compactness, and in a manner to be produced inexpensively on a quantity basis.
  • FIG. 1 is a group perspective view showing the cap partly in section and separated from the container;
  • FIGS. 2 to 4 are elevational views showing progressive steps-by means of dotted linesin the turning of the screw-cap to engage it in closed relation with the container;
  • FIG. 5 is an enlarged vertical section of the screw-cap closed as just stated
  • FIG. 6 is a group perspective view of a modification of the invention showing the resistance factor in a different location
  • FIG. 7 is a vertical section showing the modified closure at the end of its closing movement
  • a typical container is shown at 12, the material thereof being glass or plastic substance.
  • Containers in the category under consideration are extended with a neck 13 and a mouth 14. These parts may be integral with the body of the container or-when made of metal-attached by pressure, fusion or other techniques.
  • the mouth of the container is thickened outwardly with a pair of ledges 16 formed with inclined cams 20 on the under side. Each cam progresses to the extent of a recess 18; and a stop lug 22 depends from the ledge 16 at the remote end of the recess.
  • FIG. 1 shows that the cap 24 has a pair of segmental lugs 26 inside its walls, the lugs being located in a 3,339,770 Patented Sept. 5, 1967 manner to clear the ends of the ledges 16 when the cap is deposited for the usual turning movement to fit it as a closure for the container.
  • the side lugs 26 climb the cams 20 as shown in FIG. 2.
  • the lugs are in positions to ride off the cams, as shown in FIG. 3; and at the end of the turning movement the lugs seat in the recesses 18 as shown in FIG. 4 and meet the stop lugs 22 to fix the end of the cap-turning movement.
  • FIG. 1 shows that the skirt is a downward rim-like extension of the marginal cap wall which tapers to a relativelythin edge at the bottom.
  • the extension is flared with a curve; and it is divided circumferentially by series of slots 30.
  • the skirt has a factor of flexibility; and it is designed to bear on the surface of a ring 32 raised from the top of the containerwith a flattening tendency as the cap 24 is screwed down.
  • the resistance built up in the skirt 28 therefore acts to snap the cap lugs 26 into the recesses 18 as the lugs ride off the cams 20, locking the cap against return motion.
  • the closure therefore incorporates a safety factor that keeps the cap locked while the container is stored or its contents are not needed; and the cap will not yield to attempts by young children to open it, because of the extra downpressure required to release the cap for the opening movement.
  • the cap 24 it is also the function of the cap 24 to secure a sealing closure with the container, in order that liquid or moisture may not escape from the same.
  • the cap is extended on the inside with a band-shaped stopper 34 which is designed to fit within the neck of the container when the cap is screwed down.
  • the wall of the stopper is tapered in downward direction to lend the stopper a factor of compressibility; and the stopper is formed with a series of peripheral ribs 36 on the outside.
  • the ribs will yield and the stopper become compressed as it enters the neck of the container, securing a tight fit therein.
  • FIG. 7 shows the skirt as a fllared rim flange 38 which is flexed into flattening form by the top 40' of the cap as the latter is screwed down.
  • the flange 38 thus maintains an upward pressure on the cap to keep it locked, as in the previous instance.
  • the flange 38 is supplied with slots 39 spaced therearound.
  • a cap having a cylindrical side wall applicable to the mouth portion of the container, circumferentially-spaced side lugs carried by the cap on the inside thereof, climbing cams carried by the mouth of the container and peripherally disposed thereon for engagement by said lugs when the cap is turned in the closing direction to draw the cap down, recess means for engage rnent by the lugs to preclude the cap from turning in the opening direction, and tensionable means depending from said side wall for securing the lugs in the recess means, said tensionable means including an annular extension member in the vicinity of said mouth portion in the applied position of the container, said extension member having a resilient wall portion disposed to extend alongside of said mouth with a free edge curved outwardly therefrom for spreading under tension by contact with a relatively fixed surface when the cap is turned in its closing direction.
  • said tensionable means comprising an annular skirt depending from the lower end of said side wall with an outward flare and tapered toward its free edge.
  • said tensionable means comprising an annular skirt depending from the lower end of said side wall of the cap with an outward flare, and the skirt being tapered toward its bottom edge and formed with a circumferential series of slots.
  • tensionable means comprising an annular skirt depending from the lower end of said side wall of the cap with an outward flare, and the skirt being tapered toward its bottom edge and formed with a circumferential series of slots, the latter being radiallydirected and opening at said edge.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Description

p 5, 1967 B. WEIGAND 3,339,710
CONTAINER CLOSURE Filed July 12, 1965 2 Sheets-Sheet l Fl G71 0 32 INVENTOR. L BRUNO WE/GA/VD 3'0 22 t BY 37 walk? flfw- LLHI ATTORNEY Sept. 5, 1967 B. WEIGAND 3,339,170
CONTAINER CLOSURE Filed July 12, 1965 2 Sheets-Sheet 2 INVENTOR 5904/0 we'lsnn/o Fl 7 BY United States Patent 3,339,770 CONTAINER CLOSURE Bruno Weigand, Toronto, Ontario, Canada, assignor, by
direct and mesne assignments, to Tamper-Proof-Tops Industries Ltd., Toronto, Ontario, Canada, a corporation of Ontario Filed July 12, 1965, Ser. No. 471,323 Claims. (Cl. 215-9) My invention relates to containers in the category of bottles, jars, vials and the like, and more particularly to containers of poisonous or harmful substances. Usually, such containers are marked or labeled to indicate the nature of their contents. However, closures for them are conventional screw or pressure caps, which may be opened with little effort. Thus, where young children have access to containers of harmful substances, usually located in a medicine cabinet in the home, they may not understand the markings or warnings on the containers that the substances are poisonous or otherwise harmful, and sample or consume them from sheer curiosity, often with injurious and even fatal consequences. It is therefore an object of the present invention to provide a closure for containers in the above category which-while employing the familiar screw-cap principle-is too difiicult for young children to open, and therefore prevents their access to injurious substances.
A further object is to employ a resistance factor in the novel closure which requires more pressure than a young child can exert in order to free the closure for the opening movement.
Another object is to design the resistance factor in the form of an external tensionable skirt depending from the screw-cap of the container, such skirt being placed under tension as the cap is turned in the closing direction.
A still further object is to include a locking factor in the closure which prevents the accidental unscrewing of the cap after it has been turned to the closed position.
An important object is to design the closure along lines of neatness and compactness, and in a manner to be produced inexpensively on a quantity basis.
A better understanding of the invention may be gained by reference to the accompanying drawings, in which:
FIG. 1 is a group perspective view showing the cap partly in section and separated from the container;
FIGS. 2 to 4 are elevational views showing progressive steps-by means of dotted linesin the turning of the screw-cap to engage it in closed relation with the container;
FIG. 5 is an enlarged vertical section of the screw-cap closed as just stated;
FIG. 6 is a group perspective view of a modification of the invention showing the resistance factor in a different location;
FIG. 7 is a vertical section showing the modified closure at the end of its closing movement;
Referring specifically to FIGS. 1 to 5, a typical container is shown at 12, the material thereof being glass or plastic substance. Containers in the category under consideration are extended with a neck 13 and a mouth 14. These parts may be integral with the body of the container or-when made of metal-attached by pressure, fusion or other techniques. For the purpose of the present invention the mouth of the container is thickened outwardly with a pair of ledges 16 formed with inclined cams 20 on the under side. Each cam progresses to the extent of a recess 18; and a stop lug 22 depends from the ledge 16 at the remote end of the recess.
The container formations just described are utilized by a screw-cap 24 to adapt it as a closure for the container. Thus, FIG. 1 shows that the cap 24 has a pair of segmental lugs 26 inside its walls, the lugs being located in a 3,339,770 Patented Sept. 5, 1967 manner to clear the ends of the ledges 16 when the cap is deposited for the usual turning movement to fit it as a closure for the container. At the inception of this movement the side lugs 26 climb the cams 20 as shown in FIG. 2. As the cap is turned further, the lugs are in positions to ride off the cams, as shown in FIG. 3; and at the end of the turning movement the lugs seat in the recesses 18 as shown in FIG. 4 and meet the stop lugs 22 to fix the end of the cap-turning movement.
The closing rotation of the conventional screw-cap does not create a resistance. Therefore, no special effort is required to unscrew the cap when the opening of the sameis desired, this factor making it easy for young children to open containers of both safe and unsafe substances. On the other hand, the closing movement of the screw-cap in the improved closure does build up a resistance or safety factor so formidable that, once the cap has been screwed down only strong pressure-properly capable of being exerted by persons old enough to know or read what the contents of the container are-can release the cap for the unscrewing movement.
The main form of the invention employs a skirt extension 28 as the resistance factor mentioned above. Thus, FIG. 1 shows that the skirt is a downward rim-like extension of the marginal cap wall which tapers to a relativelythin edge at the bottom. The extension is flared with a curve; and it is divided circumferentially by series of slots 30. As constituted the skirt has a factor of flexibility; and it is designed to bear on the surface of a ring 32 raised from the top of the containerwith a flattening tendency as the cap 24 is screwed down. The resistance built up in the skirt 28 therefore acts to snap the cap lugs 26 into the recesses 18 as the lugs ride off the cams 20, locking the cap against return motion. However, strong down-pressure on the cap will free the lugs 26 from the recesses and enable the cap to be unscrewed. The closure therefore incorporates a safety factor that keeps the cap locked while the container is stored or its contents are not needed; and the cap will not yield to attempts by young children to open it, because of the extra downpressure required to release the cap for the opening movement.
It is also the function of the cap 24 to secure a sealing closure with the container, in order that liquid or moisture may not escape from the same. For this purpose the cap is extended on the inside with a band-shaped stopper 34 which is designed to fit within the neck of the container when the cap is screwed down. As noted in FIGS. 1 and 5, the wall of the stopper is tapered in downward direction to lend the stopper a factor of compressibility; and the stopper is formed with a series of peripheral ribs 36 on the outside. Thus, the ribs will yield and the stopper become compressed as it enters the neck of the container, securing a tight fit therein.
In reference to the modification of FIGS. 6 and 7, it is noted that the element compressed by the closing rotation of the cap 24namely, the skirt 28has been removed therefrom and transferred in inverted position to the mouth of the container, as seen in the center portion of FIG. -6. FIG. 7 shows the skirt as a fllared rim flange 38 which is flexed into flattening form by the top 40' of the cap as the latter is screwed down. The flange 38 thus maintains an upward pressure on the cap to keep it locked, as in the previous instance. The flange 38 is supplied with slots 39 spaced therearound.
What I claim is:
1. In combination with a container provided with a mouth portion: a cap having a cylindrical side wall applicable to the mouth portion of the container, circumferentially-spaced side lugs carried by the cap on the inside thereof, climbing cams carried by the mouth of the container and peripherally disposed thereon for engagement by said lugs when the cap is turned in the closing direction to draw the cap down, recess means for engage rnent by the lugs to preclude the cap from turning in the opening direction, and tensionable means depending from said side wall for securing the lugs in the recess means, said tensionable means including an annular extension member in the vicinity of said mouth portion in the applied position of the container, said extension member having a resilient wall portion disposed to extend alongside of said mouth with a free edge curved outwardly therefrom for spreading under tension by contact with a relatively fixed surface when the cap is turned in its closing direction.
2. The structure of claim 1, wherein said tensionable means is carried by the cap and wherein said fixed surface is provided on the container. ii
3. The structure of claim 1, wherein said resilient wall A portion is provided with circumferen tlally spaced slots open to the free edge thereof.
4. The structure of claim 1, wherein recesses are made on the mouth in proximity to said cams, the lugs falling into the recesses by force of the resistance built up in said tensionable means when the cap is turned to a closed position.
5. The structure of claim 1, wherein recesses are made on the mouth in proximity to said cams, and stop lugs project from the mouth beyond said recesses, said side lugs falling into the recesses and meeting said stop lugs .as limits by force of the resistance built up in said tensionable means when the cap is turned to a closed position.
6. The structure of claim 1 whereifif'said side wall has a lower end, said tensionable means comprising an annular skirt depending from the lower end of said side wall of the cap with an outward flare.
7. The structure of claim 1 wherein said side wall has a lower end, said tensionable means :-comprising an annular skirt depending from the lower end of said side Wall of the cap with an outwardly-curved flare.
8. The structure of claim 1 wherein said side wall has a lower end, said tensionable means comprising an annular skirt depending from the lower end of said side wall with an outward flare and tapered toward its free edge.
9. The structure of claim 1 wherein said side wall has a lower end, said tensionable means comprising an annular skirt depending from the lower end of said side wall of the cap with an outward flare, and the skirt being tapered toward its bottom edge and formed with a circumferential series of slots.
10. The structure of claim 1 wherein said side wall has a lower end,.said tensionable means comprising an annular skirt depending from the lower end of said side wall of the cap with an outward flare, and the skirt being tapered toward its bottom edge and formed with a circumferential series of slots, the latter being radiallydirected and opening at said edge.
References Cited UNITED STATES PATENTS 2,776,066 1/1957 Thornton 2159 X 3,158,553 11/1964 Carski 215-44 X 3,255,909 6/1966 Miller et a1. 215-43 3,259,935 7/1966 Miller 215-44 X FOREIGN PATENTS 1,131,201 10/1956 France. 1,213,812 10/1959 France. 1,230,375 3/1960 France.
812,090 4/1959 Great Britain.
OTHER REFERENCES Netherlands (printed application) 282,518, 12/1964.
JOSEPH R. LECLAIR, Primary Examiner.
D. F. NORTON, Assistant Examiner.

Claims (1)

1. IN COMBINATION WITH A CONTAINER PROVIDED WITH A MOUTH PROTION: A CAP HAVING A CYLINDRICAL SIDE WALL APPLICABLE TO THE MOUTH PORTION OF THE CONTAINER, CIRCUMFERENTIALLY-SPACED SIDE LUGS CARRIED BY THE CAP ON THE INSIDE THEREOF, CLIMBING CAMS CARRIED BY THE MOUTH OF THE CONTAINER AND PERIPHERALLY DISPOSED THEREON FOR ENGAGEMENT BY SAID LUGS WHEN THE CAP IS TURNED IN THE CLOSING DIRECTION TO DRAW THE CAP DOWN, RECESS MEANS FOR ENGAGEMENT BY THE LUGS TO PRECLUDE THE CAP FROM TURNING IN THE OPENING DIRECTION, AND TENSIONABLE MEANS DEPENDING FROM SAID SIDE WALL FOR SECURING THE LUGS IN THE RECESS MEANS, SAID TENSIONABLE MEANS INCLUDING AN ANNULAR EXTENSION MEMBER IN THE VICINITY OF SAID MOUTH PORTION IN THE APPLIED POSITION OF THE CONTAINER, SAID EXTENSION MEMBER HAVING A RESILIENT WALL PORTION DISPOSED TO EXTEND ALONGSIDE OF SAID MOUTH WITH A FREE EDGE CURVED OUTWARDLY THEREFROM FOR SPREADING UNDER TENSION BY CONTACT WITH A RELATIVELY FIXED SURFACE WHEN THE CAP IS TURNED IN ITS CLOSEING DIRECTION.
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Cited By (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435975A (en) * 1967-10-30 1969-04-01 Tamper Proof Tops Ind Ltd Safety closure
US3612324A (en) * 1969-09-25 1971-10-12 Dell M Malick Safety cap and container neck construction
US3623623A (en) * 1969-09-05 1971-11-30 Reflex Corp Canada Ltd Childproof safety package
US3659735A (en) * 1970-05-25 1972-05-02 Eyelet Specialty Co Safety closure
US3717287A (en) * 1970-05-11 1973-02-20 Ciba Geigy Corp Self-sealing and locking collar and container
US3773203A (en) * 1972-01-20 1973-11-20 Gilison Associates Inc Closures for bottles and the like
US3822027A (en) * 1973-01-08 1974-07-02 S Cherba Container with safety cap
US4002275A (en) * 1975-11-12 1977-01-11 Vca Corporation Safety cap
US4053078A (en) * 1976-08-18 1977-10-11 Kerr Glass Manufacturing Corporation Child safety closure
US4119232A (en) * 1977-12-13 1978-10-10 Theodore Wayne Thornton Dual latching, child-resistant container
WO1981003649A1 (en) * 1980-06-19 1981-12-24 Ethyl Prod Child resistant container cover
US4320844A (en) * 1976-06-10 1982-03-23 Cooper Michael F A Releasable locking system
US4375858A (en) * 1981-11-02 1983-03-08 American Cyanamid Company Child resistant closure device
FR2526403A1 (en) * 1982-05-10 1983-11-10 Ethyl Prod HAND-OPERATED PUMP ASSEMBLY
US4455440A (en) * 1981-11-19 1984-06-19 Sumitomo Chemical Company, Limited Method for producing 1,3,5-triisopropylbenzene trihydroperoxides
US4811857A (en) * 1987-06-17 1989-03-14 Tri-Tech Systems International Inc. Closure system and method of forming and using same
US4823967A (en) * 1987-06-10 1989-04-25 Tri-Tech Systems International Inc. Closure for container and method for forming the closure
US4856667A (en) * 1987-06-17 1989-08-15 Tri-Tech Systems International Inc. Container and cap
US4872304A (en) * 1985-12-12 1989-10-10 Tri-Tech Systems International Inc. Closure cap with a seal and method of and apparatus for forming such closure and seal
US4886947A (en) * 1987-06-17 1989-12-12 Tri-Tech Systems International, Inc. Closure system and method of forming and using same
US4925617A (en) * 1987-06-10 1990-05-15 Tri-Tech Systems International, Inc. Method of forming a closure cap with a seal
US5100009A (en) * 1989-05-03 1992-03-31 Tri-Tech Systems International Inc. Closure and access systems for containers and methods of manufacture and use
US5409168A (en) * 1993-08-31 1995-04-25 Nelson Irrigation Corporation Positive latching cap for modular sprinkler assembly
US5891380A (en) * 1989-12-28 1999-04-06 Zapata Innovative Closures, Inc. Tamper evident caps and methods
US6003700A (en) * 1998-04-01 1999-12-21 Rexam Plastics Inc. Safety closure and container
US6062408A (en) * 1997-04-09 2000-05-16 Dtl Technology Limited Partnership Wide mouth hot fill container
US6155462A (en) * 1999-05-04 2000-12-05 Owens-Illinois Closure Inc. Bayonet-type finish for a container
US6202876B1 (en) 1998-12-30 2001-03-20 Primary Delivery Systems, Inc. Push and twist locking child-resistant and container
US6237791B1 (en) 1997-04-09 2001-05-29 Dtl Technology Limited Partnership Wide mouth hot fill container
US6450352B1 (en) 1998-12-30 2002-09-17 Dejonge Stuart W. Child-resistant push and twist locking cap
US20030029887A1 (en) * 1999-12-16 2003-02-13 Herve Pennaneac'h Reservoir and fluid product dispenser with safe unscrewing
WO2004065243A1 (en) * 2003-01-22 2004-08-05 MØLLER, Claus, Schmidt A locking arrangement for a container with a cap
US20040173562A1 (en) * 2003-03-03 2004-09-09 Wolfe Steven R. Child-resistant closure and container package
US20050121406A1 (en) * 2003-12-03 2005-06-09 Brozell Brian J. Child-resistant closure, container and package
US20050199572A1 (en) * 2004-03-11 2005-09-15 Brozell Brian J. Threaded child-resistant package having linerless closure
US20050242055A1 (en) * 2004-04-29 2005-11-03 Oh Jack S Child resistant container and cap
US20060283831A1 (en) * 2005-06-16 2006-12-21 David Krueger Child resistant container-closure assembly
US20070012645A1 (en) * 2005-07-14 2007-01-18 Owens-Illinois Prescription Products Inc. Child-resistant closure, package and method of making
US20070039914A1 (en) * 2005-08-18 2007-02-22 Van Blarcom Closures, Inc. Child resistant container
US20070045315A1 (en) * 2005-08-25 2007-03-01 Evans Christopher T Moisture retention seal
US20070062900A1 (en) * 2005-09-20 2007-03-22 Manera David A Moisture-tight safety closure and container having a flexible neck finish
US20070278173A1 (en) * 2006-06-06 2007-12-06 Owens-Illinois Closure Inc. Child-resistant closure and container package
US20070284331A1 (en) * 2006-06-09 2007-12-13 Miota Margaret M Closure system with orientation and removal capability
US20090184086A1 (en) * 2006-02-07 2009-07-23 Meadwestvaco Corporation Packaging Article
US20110031734A1 (en) * 2009-01-29 2011-02-10 Integrity Products, Inc. Container cap locking mechanism
DE102010000743A1 (en) * 2010-01-08 2011-07-14 Hamilton Bonaduz Ag Sample container i.e. culture container, for holding e.g. biological cell culture to breed cell in research laboratory, has locking parts brought from locking position into other locking position, in which cover part is latched at base part
US20110278253A1 (en) * 2009-03-02 2011-11-17 Goodall Donald T Containers and closures
US8141793B2 (en) 2009-07-14 2012-03-27 The Dial Corporation Gel air freshener and method of unsealing such gel air freshener
WO2012069106A1 (en) * 2010-11-23 2012-05-31 Sartorius Stedim Biotech Gmbh Closure for a nutrient medium container
US8365933B2 (en) 2007-07-13 2013-02-05 Aptar Freyung Gmbh Closure system for a container and dispensing closure
US20130134123A1 (en) * 2010-07-14 2013-05-30 Anthony H.J. Fraser Closure For A Container
WO2016097145A1 (en) * 2014-12-19 2016-06-23 Aero Pump Gmbh Childproof safety cap and associated container for liquid or pasty substances
US20170305594A1 (en) * 2013-11-22 2017-10-26 Adam Kasha Double-walled articles for receiving decorative filler materials
GB2552882A (en) * 2016-06-07 2018-02-14 Charpak Ltd Packaging
US20230174276A1 (en) * 2018-12-07 2023-06-08 Greenlane Holdings, Llc Child-Resistant Containers Having Embedded Compression Region

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GB812090A (en) * 1956-12-13 1959-04-15 Venesta Ltd Flexible containers especially collapsible tubes
FR1213812A (en) * 1958-10-29 1960-04-04 Brev De L Ingenieur Savary Soc Improvements to sealing devices for screw caps
FR1230375A (en) * 1959-06-16 1960-09-15 Leak-proof closing device for bottles, polyethylene jars and the like
US3158553A (en) * 1961-12-29 1964-11-24 Baltimore Biolog Lab Inc Petri dish
US3255909A (en) * 1964-01-13 1966-06-14 Owens Illinois Inc Linerless closure
US3259935A (en) * 1962-03-16 1966-07-12 Owens Illinois Inc Closure retainer

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US2776066A (en) * 1954-08-20 1957-01-01 Elbert H E Thornton Closure for containers
GB812090A (en) * 1956-12-13 1959-04-15 Venesta Ltd Flexible containers especially collapsible tubes
FR1131201A (en) * 1957-07-05 1957-02-19 Plastic plug or shutter
FR1213812A (en) * 1958-10-29 1960-04-04 Brev De L Ingenieur Savary Soc Improvements to sealing devices for screw caps
FR1230375A (en) * 1959-06-16 1960-09-15 Leak-proof closing device for bottles, polyethylene jars and the like
US3158553A (en) * 1961-12-29 1964-11-24 Baltimore Biolog Lab Inc Petri dish
US3259935A (en) * 1962-03-16 1966-07-12 Owens Illinois Inc Closure retainer
US3255909A (en) * 1964-01-13 1966-06-14 Owens Illinois Inc Linerless closure

Cited By (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435975A (en) * 1967-10-30 1969-04-01 Tamper Proof Tops Ind Ltd Safety closure
US3623623A (en) * 1969-09-05 1971-11-30 Reflex Corp Canada Ltd Childproof safety package
US3612324A (en) * 1969-09-25 1971-10-12 Dell M Malick Safety cap and container neck construction
US3717287A (en) * 1970-05-11 1973-02-20 Ciba Geigy Corp Self-sealing and locking collar and container
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