US3232470A - Double seal linerless cap for containers - Google Patents

Double seal linerless cap for containers Download PDF

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Publication number
US3232470A
US3232470A US370207A US37020764A US3232470A US 3232470 A US3232470 A US 3232470A US 370207 A US370207 A US 370207A US 37020764 A US37020764 A US 37020764A US 3232470 A US3232470 A US 3232470A
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Prior art keywords
rib
cap
container
containers
rim
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US370207A
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Royal H Gibson
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GIBSON ASS Inc
GIBSON ASSOCIATES Inc
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GIBSON ASS Inc
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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
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0428—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a collar, flange, rib or the like contacting the top rim or the top edges or the external surface of a container neck
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S215/00—Bottles and jars
    • Y10S215/01—Fins

Definitions

  • This invention relates to a double seal linerless cap for containers.
  • FIG. 1 is a vertical sectional view of a cap embodying the invention on the line 1-1 of FIG. 2.
  • FIG. 2 is a horizontal section on the line 2-2 of FIG. 1. 7
  • FIG. 3 is a vertical section showing the cap as applied to a container in which the rim of the container neck is flat.
  • FIG. 4 is a vertical section showing the cap as applied to a container in which the rim of the container is chamfered.
  • FIG. 5 is a vertical section of .a modified form of cap.
  • FIG. 6 is a vertical section showing the modified form of cap as applied to a container in which the rim of the container is chamfered.
  • Container caps embodying the invention are preferably molded from plastic material which is flexible, resilient and elastic. I prefer to use polypropylene for this purpose because of its strength and durability, but other materials having similar properties may be used.
  • the cap comprises a top 1 and an integral depending cylindrical skirt 2, the inner surface of which may be provided with threads 3 adapted to engage threads 4 on the outer surface of the neck 5 of a container 6.
  • the container may be of any desired size and shape and may be made of plastic, glass, metal or other suitable material.
  • annular ring of inverted Y shape Depending from the bottom surface of the top 1 and spaced inwardly from the skirt 2 is an annular ring of inverted Y shape, with the stem 7 of the Y defining a rib extending downwardly from the under surface of the top 1.
  • the lower portion of the ring below the rib 7 is split to provide two diverging sealing elements or flanges 8 and 9 constituting the arms of the Y.
  • the rib 7 is short and of substantial transverse thickness to resist transverse deflection when the cap is tightened on the neck of the container.
  • the transverse thickness of the rib is greater than its height and the inner and outer surfaces of the rib above the sealing elements are preferably concentric, cylindrical surfaces.
  • the rib 7 of the annular Y-shaped ring is disposed between the rim of the container and the top wall 1 of the cap with the mean diameter of the rib 7 falling between the inner and the outer diameter of the rim of the container.
  • the innersealing element "8 extends downwardly and inwardly beyo'hd the inner surface of the rib and the outer sealing element 9 projects downwardly and outwardly beyond the outer surface of the rib.
  • the inner sealing element 8 is somewhat longer than the outer sealing "element 9, particularly when the cap is intended for use v with a container neck having a chamfered rim as shown in FIG. 4.
  • the modified form of cap shown in FIGS. 5 and 6 is generally similar to that of FIGS. 1 through 4, except that the sealinlgelements 8 and 9 are spaced by a short, horizontal surface or land 10, instead of meeting in an inverted V-shapled notch as shown in transverse crosssection in FIG.---1.
  • the modified form of cap is particularly well adapted for use with container necks having a chamfered rim of the type shown in FIG. 6.
  • the sealing element 9 When used iinconnection with a container neck having a flat rim as shown in FIG. 3, as the cap is screwed down and tightened I, the container neck, the sealing element 9 engages an :area of the flat surface of the rim and is forced outwardly and upwardly to form a tight seal. At the same time; the sealing element 8 engages the inner corner of the rim and the marginal area of the flat surface of the rim and is forced inwardly and upwardly to form a second tight seal.
  • the sealing element 9 When used injconnection with a container neck having a chamfere drim as in FIG. 4 or FIG. 6, the sealing element 9 again engages an area of the flat surface of the rim and is “forced outwardly and upwardly to form a tight seal. At “the same time, the sealing element 8 engages an area of the chamfered surface of the rim and is forced inwardly and upwardly to form a second tight seal.
  • FIGS. 3, 4 and 6 are merely illustrative of typical container necks with which the caps of thisi 'cinvention may be used, and it will be understood that such caps may also be used with container necks having rims of other conformations.
  • a double s' eal, linerless cap for externally threaded containers having an annular rim of substantial width at the mouth thereof, said cap having a top wall and an outer cylindrical skirt depending therefrom, the inside wall of said cylindrical skirt being threaded to engage with the threads on the container, an annular rib depending from the underside of the top of said cap concentric with and spaced radially inwardly from said skirt, said rib being of substantial transverse thickness preventing transverse deflection thereof when the cap is tightened on said container neck, a pair of concentric sealing flanges formed on the lower portion of said rib and having a generally inverted V-shaped configuration as viewed in transverse cross-section, one of said sealing flanges extending downwardly and laterally outwardly beyond the outer surface of the rib, the other of said sealing flanges extending downwardly and laterally inwardly beyond the inner surface of the rib, the mean diameter of said rib falling between the inner and the outer diameter of the rim of said container, said sealing f

Description

Feb. 1, 1966 R. H. GIBSON 3,232,470
DOUBLE SEAL LINERLESS CAP FOR CONTAINERS Filed May 26. 1964 14 1 Z A I 7 AT TO EYS.
United States Patent Office 3,232,470 Patented Feb. 1, 1966 3,232,470 DOUBLE SEAL LINERLESS CAP FOR CONTAINERS Royal H. Gibson, Rumson, N.J., assignor to Gibson Associates Incorporated, Cranford, NJ. Filed May 26, 1964, Ser. No. 370,207 3 Claims. (Cl. 215-43) This application is filed as a continuation in part of my copending application Serial No. 309,776, now abandoned, filed September 18, 1963.
This invention relates to a double seal linerless cap for containers.
It is an object of the invention to provide a cap having two separate annular sealing elements so arranged as to engage and seal against two separate areas of the rim of a container neck to thereby provide a double seal.
It is a further object of the invention to provide a cap of the above type in which the sealing elements are adapted to engage and seal against separate areas of the rims of container necks of varying configurations.
Other objects and advantages of the invention will appear hereinafter.
A preferred embodiment of the invention selected for purposes of illustration is shown in the accompanying drawings, in which,
FIG. 1 is a vertical sectional view of a cap embodying the invention on the line 1-1 of FIG. 2.
FIG. 2 is a horizontal section on the line 2-2 of FIG. 1. 7
FIG. 3 is a vertical section showing the cap as applied to a container in which the rim of the container neck is flat.
FIG. 4 is a vertical section showing the cap as applied to a container in which the rim of the container is chamfered.
FIG. 5 is a vertical section of .a modified form of cap.
FIG. 6 is a vertical section showing the modified form of cap as applied to a container in which the rim of the container is chamfered.
Container caps embodying the invention are preferably molded from plastic material which is flexible, resilient and elastic. I prefer to use polypropylene for this purpose because of its strength and durability, but other materials having similar properties may be used.
Referring to FIGS. 1 to 4, the cap comprises a top 1 and an integral depending cylindrical skirt 2, the inner surface of which may be provided with threads 3 adapted to engage threads 4 on the outer surface of the neck 5 of a container 6.
The container may be of any desired size and shape and may be made of plastic, glass, metal or other suitable material.
Depending from the bottom surface of the top 1 and spaced inwardly from the skirt 2 is an annular ring of inverted Y shape, with the stem 7 of the Y defining a rib extending downwardly from the under surface of the top 1. The lower portion of the ring below the rib 7 is split to provide two diverging sealing elements or flanges 8 and 9 constituting the arms of the Y.
The rib 7 is short and of substantial transverse thickness to resist transverse deflection when the cap is tightened on the neck of the container. Preferably the transverse thickness of the rib is greater than its height and the inner and outer surfaces of the rib above the sealing elements are preferably concentric, cylindrical surfaces. As shown in the drawings, the rib 7 of the annular Y-shaped ring is disposed between the rim of the container and the top wall 1 of the cap with the mean diameter of the rib 7 falling between the inner and the outer diameter of the rim of the container.
The innersealing element "8 extends downwardly and inwardly beyo'hd the inner surface of the rib and the outer sealing element 9 projects downwardly and outwardly beyond the outer surface of the rib. Preferably the inner sealing element 8 is somewhat longer than the outer sealing "element 9, particularly when the cap is intended for use v with a container neck having a chamfered rim as shown in FIG. 4.
The modified form of cap shown in FIGS. 5 and 6 is generally similar to that of FIGS. 1 through 4, except that the sealinlgelements 8 and 9 are spaced by a short, horizontal surface or land 10, instead of meeting in an inverted V-shapled notch as shown in transverse crosssection in FIG.---1. The modified form of cap is particularly well adapted for use with container necks having a chamfered rim of the type shown in FIG. 6.
When used iinconnection with a container neck having a flat rim as shown in FIG. 3, as the cap is screwed down and tightened I, the container neck, the sealing element 9 engages an :area of the flat surface of the rim and is forced outwardly and upwardly to form a tight seal. At the same time; the sealing element 8 engages the inner corner of the rim and the marginal area of the flat surface of the rim and is forced inwardly and upwardly to form a second tight seal.
When used injconnection with a container neck having a chamfere drim as in FIG. 4 or FIG. 6, the sealing element 9 again engages an area of the flat surface of the rim and is "forced outwardly and upwardly to form a tight seal. At "the same time, the sealing element 8 engages an area of the chamfered surface of the rim and is forced inwardly and upwardly to form a second tight seal.
The container necks shown in FIGS. 3, 4 and 6 are merely illustrative of typical container necks with which the caps of thisi 'cinvention may be used, and it will be understood that such caps may also be used with container necks having rims of other conformations.
It will be understood that the invention may be variously modified and embodied within the scope of the subjoined claims.
I claim as my. invention:
1. A double s' eal, linerless cap for externally threaded containers having an annular rim of substantial width at the mouth thereof, said cap having a top wall and an outer cylindrical skirt depending therefrom, the inside wall of said cylindrical skirt being threaded to engage with the threads on the container, an annular rib depending from the underside of the top of said cap concentric with and spaced radially inwardly from said skirt, said rib being of substantial transverse thickness preventing transverse deflection thereof when the cap is tightened on said container neck, a pair of concentric sealing flanges formed on the lower portion of said rib and having a generally inverted V-shaped configuration as viewed in transverse cross-section, one of said sealing flanges extending downwardly and laterally outwardly beyond the outer surface of the rib, the other of said sealing flanges extending downwardly and laterally inwardly beyond the inner surface of the rib, the mean diameter of said rib falling between the inner and the outer diameter of the rim of said container, said sealing flanges being adapted to engage and seal against only said container rirn, whereby, as said cap is tightened on said container, said one sealing flange is forced outwardly and upwardly by said container rim forming therewith an outer seal and said other sealing flange is forced inwardly and upwardly by said container rim forming therewith an inner seal.
3 I 4; 2. A glouble seal, linerless cap for containers as claimed References Cited by the Examiner in claim 1 in which the transverse thickness of the rib UNITED STATES PATENTS is greater than its height.
3,069,040 12/1962 Corsette 2l541 3. A double seal, linerless cap for containers as claimed in claim 1 in which the inner and outer surfaces of the 5 I rib above the sealing flanges are concentric, cylindrical JOSEPH LECLAIR P'mmry Exammer' surfaces. FRANKLIN T. GARRETT, Examiner.

Claims (1)

1. A DOUBLE SEAL, LINERLESS CAP FOR EXTERNALLY THREADED CONTAINERS HAVING AN ANNULAR RIM OF SUBSTANTIAL WIDTH AT THE MOUTH THEREOF, SAID CAP HAVING A TOP WALL AND AN OUTER CYLINDRICAL SKIRT DEPENDING THEREFROM, THE INSIDE WALL OF SAID CYLINDRICAL SKIRT BEING THREADED TO ENGAGE WITH THE THREADS ON THE CONTAINER, AN ANNULAR RIB DEPENDING FROM THE UNDERSIDE OF THE TOP OF SAID CAP CONCENTRIC WITH AND SPACED RADIALLY INWARDLY FROM SAID SKIRT, SAID RIB BEING OF SUBSTANTIAL TRANSVERSE THICKNESS PREVENTING TRANSVERSE DEFLECTION THEREOF WHEN THE CAP IS TIGHTENED ON SAID CONTAINER NECK, A PAIR OF CONCENTRIC SEALING FLANGES FORMED ON THE LOWER PORTION OF SAID RIB AND HAVING A GENERALLY INVERTED V-SHAPED CONFIGURATION AS VIEWED IN TRANSVERSE CROSS-SECTION, ONE OF SAID SEALING FLANGES EXTENDING DOWNWARDLY AND LATERALLY OUTWARDLY BEYOND THE OUTER SURFACE OF THE RIB, THE OTHER OF SAID SEALING FLANGES EXTENDING DOWNWARDLY AND LATERALLY INWARDLY BEYOND THE INNER SURFACE OF THE RIB, THE MEAN DIAMETER OF SAID RIB FALLING
US370207A 1964-05-26 1964-05-26 Double seal linerless cap for containers Expired - Lifetime US3232470A (en)

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Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370732A (en) * 1967-02-16 1968-02-27 Polytop Corp Cap seal
US3435975A (en) * 1967-10-30 1969-04-01 Tamper Proof Tops Ind Ltd Safety closure
US3568871A (en) * 1969-05-12 1971-03-09 Jay G Livingstone Closure cap
US3741424A (en) * 1971-09-27 1973-06-26 Eyelet Specialty Co Bottle closure
US3802590A (en) * 1972-05-22 1974-04-09 Bernardin Inc Linerless container closure
JPS4952946U (en) * 1972-08-22 1974-05-10
US3913770A (en) * 1973-09-07 1975-10-21 Richard E Tarro Drinking container
US4089463A (en) * 1976-01-28 1978-05-16 Societe Nouvelle De Bouchons Plastiques S.N.B.P. Screw caps
US4091948A (en) * 1976-03-15 1978-05-30 Northup John D Linerless container closure
US4122965A (en) * 1977-07-07 1978-10-31 Kerr Glass Manufacturing Corporation Linerless closure
US4143785A (en) * 1978-03-16 1979-03-13 Sun Coast Plastic Closures, Inc. Plastic vacuum sealing cap
US4248356A (en) * 1978-01-09 1981-02-03 Aci Technical Centre Pty. Ltd. Sealing method
US4276989A (en) * 1978-11-06 1981-07-07 Hicks David M Closures
US4351443A (en) * 1981-05-15 1982-09-28 Uhlig Gerhardt E Dual liquid tight closures
US4439875A (en) * 1981-06-02 1984-04-03 Sanitation Equipment Limited Toilet
US4494664A (en) * 1982-03-09 1985-01-22 Angelo Guala, S.P.A. Tamper evident closure
EP0140655A3 (en) * 1983-10-29 1986-08-13 Metal Box Public Limited Company One-piece plastics closure
US4658976A (en) * 1983-04-15 1987-04-21 Aluminum Company Of America Lined plastic closure
US4683016A (en) * 1985-09-03 1987-07-28 Sun Coast Plastics, Inc. Process for forming a two part closure
US4709825A (en) * 1982-09-15 1987-12-01 Owens-Illinois Closure Inc. Press-on twist-off closure for container
US4723677A (en) * 1986-07-21 1988-02-09 Nagel Jr James H Container cap with connector tabs
US4905852A (en) * 1989-05-26 1990-03-06 Zapata Industries, Inc. Plastic closure with improved seal
US5101993A (en) * 1990-05-10 1992-04-07 Phoenix Closures, Inc. Closure seal
US5320236A (en) * 1992-04-27 1994-06-14 Owens-Illinois Closure Inc. Plastic container package with linerless sealing closure system
US5385252A (en) * 1992-06-26 1995-01-31 Hidding; Walter E. Closure
US6003701A (en) * 1998-02-04 1999-12-21 Hidding; Walter E. Tamper resistant bottle cap and neck
US6325228B1 (en) * 1988-06-17 2001-12-04 Closures And Packaging Services Limited Linerless closure for carbonated beverage container
US20040035817A1 (en) * 2000-10-20 2004-02-26 Louis Lagler Sealing device for drink packages
US20050023772A1 (en) * 2003-07-28 2005-02-03 Gary England Shaped sealing gasket
US20080061062A1 (en) * 2006-09-11 2008-03-13 Snap Capp, Llc Beverage container closure and dispensing device
US20120273452A1 (en) * 2010-01-06 2012-11-01 Soehnlen Daniel P Combined lip and shoulder seal for threaded cap
US9051095B2 (en) 2011-10-12 2015-06-09 Sonoco Development, Inc. Sealing overcap for a container
WO2016182956A1 (en) * 2015-05-12 2016-11-17 Tranzonic Companies Systems, methods, and apparatuses for dispensing sheets of material
US11753214B2 (en) 2020-07-29 2023-09-12 Saint-Gobain Performance Plastics Corporation Closure, combination container and closure system, and method of using the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069040A (en) * 1961-08-15 1962-12-18 Drackett Co Container closure

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3069040A (en) * 1961-08-15 1962-12-18 Drackett Co Container closure

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370732A (en) * 1967-02-16 1968-02-27 Polytop Corp Cap seal
US3435975A (en) * 1967-10-30 1969-04-01 Tamper Proof Tops Ind Ltd Safety closure
US3568871A (en) * 1969-05-12 1971-03-09 Jay G Livingstone Closure cap
US3741424A (en) * 1971-09-27 1973-06-26 Eyelet Specialty Co Bottle closure
US3802590A (en) * 1972-05-22 1974-04-09 Bernardin Inc Linerless container closure
JPS4952946U (en) * 1972-08-22 1974-05-10
JPS5344606Y2 (en) * 1972-08-22 1978-10-26
US3913770A (en) * 1973-09-07 1975-10-21 Richard E Tarro Drinking container
US4089463A (en) * 1976-01-28 1978-05-16 Societe Nouvelle De Bouchons Plastiques S.N.B.P. Screw caps
US4091948A (en) * 1976-03-15 1978-05-30 Northup John D Linerless container closure
US4122965A (en) * 1977-07-07 1978-10-31 Kerr Glass Manufacturing Corporation Linerless closure
US4248356A (en) * 1978-01-09 1981-02-03 Aci Technical Centre Pty. Ltd. Sealing method
US4143785A (en) * 1978-03-16 1979-03-13 Sun Coast Plastic Closures, Inc. Plastic vacuum sealing cap
WO1979000774A1 (en) * 1978-03-16 1979-10-04 Suncoast Plastic Closures Plastic vacuum sealing cap
US4276989A (en) * 1978-11-06 1981-07-07 Hicks David M Closures
US4351443A (en) * 1981-05-15 1982-09-28 Uhlig Gerhardt E Dual liquid tight closures
US4439875A (en) * 1981-06-02 1984-04-03 Sanitation Equipment Limited Toilet
US4494664A (en) * 1982-03-09 1985-01-22 Angelo Guala, S.P.A. Tamper evident closure
US4709825A (en) * 1982-09-15 1987-12-01 Owens-Illinois Closure Inc. Press-on twist-off closure for container
US4658976A (en) * 1983-04-15 1987-04-21 Aluminum Company Of America Lined plastic closure
EP0140655A3 (en) * 1983-10-29 1986-08-13 Metal Box Public Limited Company One-piece plastics closure
US4683016A (en) * 1985-09-03 1987-07-28 Sun Coast Plastics, Inc. Process for forming a two part closure
US4723677A (en) * 1986-07-21 1988-02-09 Nagel Jr James H Container cap with connector tabs
US20050184433A1 (en) * 1988-06-17 2005-08-25 Closures And Packaging Services Limited Linerless closure for carbonated beverage container
US6325228B1 (en) * 1988-06-17 2001-12-04 Closures And Packaging Services Limited Linerless closure for carbonated beverage container
US6805252B2 (en) 1988-06-17 2004-10-19 Closures And Packaging Services Limited Container and linerless closure combination
US7431877B2 (en) 1988-06-17 2008-10-07 Closures And Packaging Services Limited Linerless closure for carbonated beverage container
US4905852A (en) * 1989-05-26 1990-03-06 Zapata Industries, Inc. Plastic closure with improved seal
US5101993A (en) * 1990-05-10 1992-04-07 Phoenix Closures, Inc. Closure seal
US5320236A (en) * 1992-04-27 1994-06-14 Owens-Illinois Closure Inc. Plastic container package with linerless sealing closure system
US5385252A (en) * 1992-06-26 1995-01-31 Hidding; Walter E. Closure
US6003701A (en) * 1998-02-04 1999-12-21 Hidding; Walter E. Tamper resistant bottle cap and neck
US20040035817A1 (en) * 2000-10-20 2004-02-26 Louis Lagler Sealing device for drink packages
US20050023772A1 (en) * 2003-07-28 2005-02-03 Gary England Shaped sealing gasket
US20080061062A1 (en) * 2006-09-11 2008-03-13 Snap Capp, Llc Beverage container closure and dispensing device
US20120273452A1 (en) * 2010-01-06 2012-11-01 Soehnlen Daniel P Combined lip and shoulder seal for threaded cap
US9051095B2 (en) 2011-10-12 2015-06-09 Sonoco Development, Inc. Sealing overcap for a container
WO2016182956A1 (en) * 2015-05-12 2016-11-17 Tranzonic Companies Systems, methods, and apparatuses for dispensing sheets of material
US11753214B2 (en) 2020-07-29 2023-09-12 Saint-Gobain Performance Plastics Corporation Closure, combination container and closure system, and method of using the same

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