EP0250343B1 - Dichter Schraubverschluss für einen Behälterhals - Google Patents

Dichter Schraubverschluss für einen Behälterhals Download PDF

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Publication number
EP0250343B1
EP0250343B1 EP87420158A EP87420158A EP0250343B1 EP 0250343 B1 EP0250343 B1 EP 0250343B1 EP 87420158 A EP87420158 A EP 87420158A EP 87420158 A EP87420158 A EP 87420158A EP 0250343 B1 EP0250343 B1 EP 0250343B1
Authority
EP
European Patent Office
Prior art keywords
cylindrical
wall
skirt
container
external
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
Application number
EP87420158A
Other languages
English (en)
French (fr)
Other versions
EP0250343A1 (de
Inventor
Raymond Perne
Philippe Odet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Astra Plastique SA
Original Assignee
Astra Plastique SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Astra Plastique SA filed Critical Astra Plastique SA
Priority to AT87420158T priority Critical patent/ATE45922T1/de
Publication of EP0250343A1 publication Critical patent/EP0250343A1/de
Application granted granted Critical
Publication of EP0250343B1 publication Critical patent/EP0250343B1/de
Expired legal-status Critical Current

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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
    • 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
    • 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
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck

Definitions

  • the present invention relates to a tight screw cap for a threaded neck of a container and more specifically a cap of the type having an external cylindrical skirt internally threaded surrounding a bowl bottom, that is to say a bottom having a circular bottom wall surrounded by a cylindrical side wall connecting it to the upper edge of the outer skirt of the stopper, the outside diameter of the lateral cylindrical wall of the cup bottom corresponding to the inside diameter of the threaded upper end of the container neck and its length being less than that of the cylindrical skirt of the plug.
  • This type of stopper which is often used with blown plastic containers such as PVC, is itself made of injected plastic material such as polyethylene, and the most frequently encountered problem is obtaining good tightness despite the relative flexibility of the material of the container and the cap, especially when the container contains a pressurized liquid such as a carbonated drink.
  • the present invention aims to provide a stopper capable of withstanding the pressure of a carbonated drink.
  • the bottom wall of the bowl bottom is connected to its lateral cylindrical wall by a part in the shape of a crown, of bi-frustoconical cross-section delimiting, at the periphery of the bottom wall, an annular groove of substantially triangular section projecting from the bottom wall, on the same side as the free end of the outer skirt.
  • the angle at the top of the most central frustoconical part of the crown is between 105 ° and 155 ° and, preferably, is equal to 130 °
  • the angle at the top of the outermost frustoconical part of the crown is between 35 ° and 85 ° and, preferably, is equal to 60 °
  • the values of these angles at the top being related to the internal diameter the neck, that is to say the outside diameter of the cylindrical side wall of the bottom of the cuvette of the stopper.
  • the internal thread of the outer skirt of this plug is a cylindrical thread and advantageously comprises two threads.
  • the sealed screw cap 2 for the container threaded neck of the invention is of the type having a cylindrical outer skirt 3 and a cup bottom 4.
  • the outer skirt 3 has, on its internal face, a thread 5 and, on its outer face, grooves 6 facilitating its operation by the user.
  • the bowl bottom 4 comprises a bottom wall proper of circular profile, surrounded by a lateral cylindrical wall 8 shorter than the outer cylindrical skirt 3, secured by its lower edge 8a to the bottom wall 7 and connected by its edge upper 8b, at the upper edge 3a of the outer skirt 3.
  • annular space 9 capable of accommodating the threaded upper end 11a of the neck 11 of the container when the cap 2 is screwed onto it, as illustrated in FIG. 2.
  • the outside diameter of the lateral cylindrical wall 8 is therefore substantially equal to the inside diameter of the threaded upper end 11a of the neck 11 of the container.
  • This stopper which is made of injected plastic material such as polyethylene, is intended to be used for closing containers of blown injected plastic material such as PVC or the like.
  • the object of the present invention is to make this stopper perfectly sealed, even when the container contains a pressurized liquid such as a carbonated drink, generating inside the container a pressure capable of causing the stopper to be ejected.
  • the bottom wall 7 of the bowl bottom 4 is connected to the lower edge 8a of the lateral cylindrical wall 8 by a part 12 in the form of a crown of bi-frustoconical cross section defining, at the periphery of the bottom wall 7, an annular groove 13 of substantially triangular section and the circular edge 13a of which projects from the bottom wall 7, on the same side as the free edge of the outer skirt 3.
  • the angle at the top of the most central frustoconical part 13b of the wall of the groove 13 is equal to 130 °
  • l 'angle at the top of the outermost frustoconical part of the wall of the groove 13 is equal to 60 °.
  • the thread 5 formed in the internal face of the outer skirt 3 is double thread, which obviously implies that the thread corresponding to the upper threaded end 11a of the neck 11 of the container is also provided with a double thread.
  • this plug 2 can, as well as other types of plugs, be equipped, if desired, with a tearable tamper-evident belt.

Landscapes

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

Claims (4)

1. Dichter Schraubverschluß für einen mit einem Gewinde versehenen Behälterhals, mit einem zylindrischen Außenmantel (3) mit Innengewinde, der einen schalenförmigen Boden (4) umgibt, d.h. einen Boden mit einer kreisförmigen Bodenwandung (7), die von einer zylindrischen Seitenwandung (8) umgeben ist, die die Bodenwandung mit dem oberen Rand (3) des Außenmantels (3) des Verschlusses (2) verbindet, wobei der Außendurchmesser der zylindrischen Seitenwandung (8) dem Innendurchmesser des mit einem einem Gewinde versehenen oberen Endbereichs (11 a) des Behälterhalses (11) entspricht, während die Länge dieser zylindrischen Seitenwandung (8) kleiner ist als diejenige des zylindrischen Außenmantels (3), dadurch gekennzeichnet, daß die Bodenwandung (7) des schalenförmigen Bodens (4) mit seiner zylindrischen Seitenwandung (8) durch ein kranzförmiges Teil (12) mit doppelt kegelstumpfförmigem Querschnitt verbunden ist, der am Umfang der Bodenwandung (7) eine ringförmige Kehle (13) mit annähernd dreieckförmigem Querschnitt begrenzt, der relativ zu der Bodenwandung (7) auf derselben Seite vorsteht wie das freie Ende des Außenmantels (3).
2. Verschluß nach Anspruch 1, dadurch gekennzeichnet, daß der Scheitelwinkel des näher zur Mitte gelegenen kegelstumpfförmigen Teils (13b) des kranzförmigen Teils (12) zwischen 105° und 155° und der Scheitelwinkel des äußeren kegelstumpfförmigen Teils (13c) des kranzförmigen Teils (12) zwischen 35° und 85° liegt, wobei die Größen dieser Winkel an den Innendurchmesser des Behälterhalses gebunden sind, für den der Verschluß bestimmt ist, d.h. an den Außendurchmesser der zylindrischen Seitenwandung (8) des schalenförmigen Bodens (4).
3. Verschluß nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Innengewinde (5) des Außenmantels (3) ein zylindrisches Gewinde ist.
4. Verschluß nach Anspruch 3, dadurch gekennzeichnet, daß das zylindrische Innengewinde (5) des Außenmantels (3) ein zweigängiges Gewinde ist.
EP87420158A 1986-06-17 1987-06-15 Dichter Schraubverschluss für einen Behälterhals Expired EP0250343B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87420158T ATE45922T1 (de) 1986-06-17 1987-06-15 Dichter schraubverschluss fuer einen behaelterhals.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8609142A FR2600043B1 (fr) 1986-06-17 1986-06-17 Bouchon a vis etanche pour col filete de recipient.
FR8609142 1986-06-17

Publications (2)

Publication Number Publication Date
EP0250343A1 EP0250343A1 (de) 1987-12-23
EP0250343B1 true EP0250343B1 (de) 1989-08-30

Family

ID=9336653

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87420158A Expired EP0250343B1 (de) 1986-06-17 1987-06-15 Dichter Schraubverschluss für einen Behälterhals

Country Status (12)

Country Link
US (1) US4771905A (de)
EP (1) EP0250343B1 (de)
JP (1) JPS6312460A (de)
KR (1) KR880000311A (de)
AT (1) ATE45922T1 (de)
CA (1) CA1299519C (de)
DE (1) DE3760499D1 (de)
DK (1) DK306687A (de)
ES (1) ES2010216B3 (de)
FR (1) FR2600043B1 (de)
OA (1) OA08615A (de)
PT (1) PT85095A (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152416A (en) * 1991-01-09 1992-10-06 Tucker Housewares, Inc. Container with lid seal
US5460283A (en) * 1991-01-25 1995-10-24 Macartney; Charles T. Sealing closure cap
FR2676715A1 (fr) * 1991-05-21 1992-11-27 Rical Sa Capsule de bouchage a vis a impermeabilite aux gaz amelioree.
US5188249A (en) * 1991-09-11 1993-02-23 Graham Packaging Corporation Plastic bottle having a linerless closure with collapsible flange and method
US5251770A (en) * 1992-05-06 1993-10-12 Broadway Companies, Inc. Container and pressure sealing closure combination
US5527513A (en) * 1994-04-08 1996-06-18 Becton Dickinson And Company Collection assembly
US5458252A (en) * 1994-06-03 1995-10-17 American Precision Plastics Corporation Invertible, pressure-responsive sealing cap
US5661889A (en) * 1995-01-12 1997-09-02 Valyi; Emery I. Process for producing a container and closure assembly
GB2303363B (en) * 1995-07-20 1999-10-27 Able Ind Ltd Pressurisable beverage vessels
GB9514870D0 (en) * 1995-07-20 1995-09-20 Wtb Company The Ltd Wide-mouthed pressurisable beverage container
US5779086A (en) * 1995-07-24 1998-07-14 The Coca-Cola Company Sealing system and method for a twist-off can end assembly
AT405638B (de) * 1995-10-03 1999-10-25 Fries Planung & Marketing Blasgeformter schraubdeckel für weithalsgebinde
KR100460576B1 (ko) * 1996-06-28 2005-04-06 주식회사 이노팩 발효된가스를제거하는기능이있는용기와그마개
US5855288A (en) * 1997-07-08 1999-01-05 Aptargroup, Inc. Resealable closure
GB0521965D0 (en) * 2005-10-27 2005-12-07 Carbonite Corp Beverage containers
GB2437275B (en) * 2006-04-18 2011-04-20 Packaging Innovation Ltd A storage and drinking container
GB2451128B (en) * 2007-07-19 2012-08-15 Christabel Barron Hepburn A stopper and bottle for biochemical oxygen demand testing
CN101348182B (zh) * 2007-07-20 2010-04-14 刘妍 饮料容器
AU2014208248B2 (en) * 2007-11-05 2016-03-24 Tetra Laval Holdings & Finance S.A. Reclosable Opening Device for Packages of Pourable Food Products
DE602007012556D1 (de) 2007-11-05 2011-03-31 Tetra Laval Holdings & Finance Wiederverschließbare Öffnungsvorrichtung für Verpackungen für ausgießbare Nahrungsmittelprodukte
KR100782392B1 (ko) * 2007-11-12 2007-12-07 조현진 용기의 이중 밀봉구조
US20100072163A1 (en) * 2008-09-23 2010-03-25 Bio Clinical Development, Inc. Bottle cap
US8584877B2 (en) * 2009-11-16 2013-11-19 Rev 8 Inc. Pour cap for fluid containers having open or closed position communication structure with sound and visual features
US9211969B2 (en) * 2010-02-22 2015-12-15 Medline Industries, Inc Specimen container
FR2957899B1 (fr) * 2010-03-25 2012-06-22 Procap France Ensemble de bouchage d'un contenant du type "brique"
FR2961792B1 (fr) * 2010-06-25 2013-10-18 Procap France Ensemble de bouchage securise
CN103946121B (zh) 2011-10-12 2015-11-25 实耐格开发公司 容器的密封顶盖
WO2013106217A1 (en) 2012-01-10 2013-07-18 Jackson, Roger, P. Multi-start closures for open implants
WO2014029525A1 (en) * 2012-08-24 2014-02-27 Obrist Closures Switzerland Gmbh A closure
US9340332B2 (en) 2013-03-15 2016-05-17 Sonoco Development, Inc. Closure for container
WO2024095461A1 (ja) * 2022-11-04 2024-05-10 東洋製罐グループホールディングス株式会社 螺子キャップ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2039465A5 (de) * 1969-04-03 1971-01-15 Allardi
US3638821A (en) * 1970-04-01 1972-02-01 Angelo Guala Di Piergiocomo & Closure for bottles and similar containers
ZA828115B (en) * 1981-11-16 1984-06-27 Colgate Palmolive Co Container closure and assembly
US4574966A (en) * 1983-11-07 1986-03-11 Jeffrey Sandhaus Plastic linerless closure

Also Published As

Publication number Publication date
ATE45922T1 (de) 1989-09-15
EP0250343A1 (de) 1987-12-23
DE3760499D1 (en) 1989-10-05
ES2010216B3 (es) 1989-11-01
OA08615A (fr) 1988-11-30
DK306687D0 (da) 1987-06-16
FR2600043B1 (fr) 1989-04-21
FR2600043A1 (fr) 1987-12-18
PT85095A (pt) 1988-07-01
JPS6312460A (ja) 1988-01-19
KR880000311A (ko) 1988-03-24
DK306687A (da) 1988-12-17
US4771905A (en) 1988-09-20
CA1299519C (fr) 1992-04-28

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