EP0370272A1 - Bouchon à vis avec dispositif de dégazage - Google Patents

Bouchon à vis avec dispositif de dégazage Download PDF

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Publication number
EP0370272A1
EP0370272A1 EP89120148A EP89120148A EP0370272A1 EP 0370272 A1 EP0370272 A1 EP 0370272A1 EP 89120148 A EP89120148 A EP 89120148A EP 89120148 A EP89120148 A EP 89120148A EP 0370272 A1 EP0370272 A1 EP 0370272A1
Authority
EP
European Patent Office
Prior art keywords
cap
segment
bead
sealing washer
screw
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.)
Granted
Application number
EP89120148A
Other languages
German (de)
English (en)
Other versions
EP0370272B1 (fr
Inventor
Günter Jakob Krautkrämer
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.)
Jacob Berg GmbH and Co KG
Original Assignee
Jacob Berg GmbH and Co KG
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 Jacob Berg GmbH and Co KG filed Critical Jacob Berg GmbH and Co KG
Publication of EP0370272A1 publication Critical patent/EP0370272A1/fr
Application granted granted Critical
Publication of EP0370272B1 publication Critical patent/EP0370272B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1661—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element by means of a passage for the escape of gas between the closure and the lip of the container mouth
    • 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
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges

Definitions

  • the present invention relates to a screw cap for pressurized bottles, consisting of a cap with a cap bottom and a cap jacket with an internal thread
  • screw caps are usually made of plastic and a circumferential and inwardly projecting bead at the transition between the cap bottom and have the cap jacket and wherein on the inside of the cap base and the bead a sealing disc movable against the cap rests.
  • This bead is e.g. Essentially rectangular in cross-section and its inwardly projecting edge is approximately diagonally opposite the upper outer edge of the mouth of a bottle when a screw cap is firmly screwed onto a bottle.
  • Such a closure is known from EP-A-0055916.
  • a constriction is formed between the projecting edge of the bead and the upper outer edge of the mouth of the bottle, so that an intermediate sealing washer is pressed particularly firmly in this area with a high specific surface pressure and thus closes the bottle pressure-tight. For this reason, bottles with carbonated beverages in particular are provided with such screw caps.
  • the present invention is therefore based on the object of redesigning the closure known from EP-A-0055916 in such a way that it is still pressure-tight for the usual uses, but the maximum pressure up to which the closure remains tight is limited to a value that is significantly below the pressure at which a Bottle explodes.
  • the bead which runs in the manner of a circular ring in the corner formed between the cap base and cap shell, does not extend over the entire inner circumference of the cap base or cap shell, but is over a certain angular range, i.e. H. interrupted or omitted in a segment of the ring.
  • the high contact pressure along the opposite edge line of the bead and the closure edge of the bottle is then missing in this segment.
  • the sealing washers used have sufficient rigidity so that they still lie pressure-tight against the edge of the closure edge of the bottle even over the interruption segment. If, however, the pressure in the bottle becomes too great, the sealing disc yields in the area of this segment and presses into the area of the transition between the cap base and the cap jacket, in which the said bead is otherwise arranged in the area of the remaining circumference.
  • An overpressure can escape between the sealing washer and the closure edge of the bottle, this being additionally facilitated by the fact that in the preferred embodiment of the invention the thread of the closure has ventilation channels running transversely to the threads. Likewise, the thread on the closure edge of the bottle can also have ventilation channels running transversely to the thread.
  • segment-like interruption of the bead should extend over an angular range of at least 15 ° for the desired function of the new screw closure in the sealing disks that are usually used.
  • Embodiments of the screw closure are preferred in which the segment-like interruption extends over an angle of 30 ° or 45 °, the choice also depending on the type of sealing washer used and the desired maximum pressure. If the sealing washer is relatively thin and at the same time very flexible and elastic, the bead will usually only be interrupted over a smaller angular range, which may also fall below the stated value of 15 ° in the case of very thin and very elastic sealing washers.
  • interruptions can optionally be provided along the circumference of the bead. From the point of view of proper functioning, it appears most sensible if the interruption segments each extend over the same angular ranges and are also spaced apart from one another by the same angle.
  • the effect of the new closure can, however, also be achieved in other ways, even if the bead is not interrupted or if another screw closure, for example made of metal, is used, which the pressure tightness by a more or less flat pressure of the sealing washer on the edge of the closure Bottle reached.
  • a closure thus has, as necessary and known components, a cap with a cap base and a cap jacket with an internal thread, and a sealing washer.
  • the sealing disk has at least one recess on its top side facing the cap base and optionally also the cap jacket in its area of contact with the mouth edge of the bottle.
  • the sealing disc When the closure is screwed on in a pressure-tight manner, the sealing disc is in its outer region between the closure edge of the bottle and the cap bottom or the cap man tel pressed together. If the sealing washer has a recess or recess on its upper side, which faces the cap base or the cap jacket, it is not or less compressed in this area, in which it is thinner because of this recess than in the rest of the sealing area that here too, at a correspondingly high pressure in the bottle, the sealing disk is lifted in the region of the recess from the mouth of the bottle, so that the pressure can escape. In this case, too, additional ventilation channels can be provided in the thread area.
  • the sealing washer must of course not be designed as a full circular disk, but it would suffice in any case if a seal, for. B. is arranged in the form of a circular ring in the region of the closure edge of the bottle in the cap.
  • the angular range along which a recess is to extend in the surface of the sealing washer is somewhat smaller than the angular range provided for the segment-like interruptions of a bead, but should be at least 10 ° according to practical experience. In the preferred embodiment, such a recess extends in the region of the outer edge of the sealing washer over an angular range of 15 to 35 °.
  • the depth of the recess corresponds to at least half the thickness of the sealing washer.
  • the sealing washer is in the case of a more or less linear contact pressure such. B. often when using the bead described above significantly less than half of their other thickness compressed, so that even if the sealing washer in the area of the recess is only half as thick as in the rest of the area or even thinner, there is still sufficient contact pressure for a seal against a low and tolerable excess pressure consists. At the same time, however, the sealing washer can yield in this thinner area if the pressure in the bottle increases noticeably.
  • An embodiment of the closure is also expedient in which a plurality of recesses are provided along the circumferential region of a sealing washer, and it may be advantageous if these recesses are of the same type, ie. H. have the same depth and extend over the same angular ranges and are also arranged at the same angular distances relative to one another.
  • the screw cap shown in Figure 1 consists of a cap 1, which in turn consists essentially of a cap base 2 and a cap jacket 3 provided with an internal thread 7. There is also an at the bottom of the clasp Arranged circlip 10, which is damaged or tears off the cap 1 when the screw cap is released from a bottle for the first time.
  • the sectional view in Figure 1 is chosen so that on the left side the cross section of a bead 5 can be seen as a right-angled projection, while on the right side an interruption segment is shown in section, so that in this area the sealing washer 9 is not from the edge the bead 5 is pressed downwards and inwards.
  • the sealing disk 9 lies essentially only on the outer sealing edge of the mouth of the bottle due to its rigidity.
  • the specific surface pressure is of course lower here than along the opposite edges of the bead and the edge of the mouth. Nevertheless, sufficient tightness is achieved here, too, because the segment only extends over a small angular range and the sealing washer still lies more firmly in this area than if the bead 5 were completely missing.
  • the sealing washer 11 is not or less compressed in the area of the segment 6 than along the edge of the bead 5, so that it can give way in this area at a correspondingly high pressure in the bottle and allow excessive pressure to escape from the bottle, whereby also the thread 7 has ventilation channels 8 which run transversely to the threads and so facilitate the escape of escaping gases or liquids.
  • the sealing washer 9 can also have a somewhat larger diameter and in some cases also rest against the inner wall of the cap casing 3, so that the seal in the region of the segment 6 can take place not only along the upper surface of the closure edge but also from the outside thereof.
  • FIG. 2 For the sake of clarity, a similar closure cross-section is again shown in FIG. 2, in which the sealing washer 9 has been omitted, so that the cross-section of the bead 5 can be seen clearly on the right-hand side, which, depending on the point of view, can be found in a thickened cap bottom or cap jacket wall expresses and forms a protruding corner, which causes the increased linear contact pressure.
  • a segment without a bead is again shown cut, in which the cap wall 3 and the cap base 2 essentially maintain their other wall thickness and merge into one another with a slightly rounded 90 ° bend.
  • FIG. 3 shows a horizontal section through a cap 1 in the area of the bead 5.
  • the greater wall thickness of the cap jacket 3 in the area of the bead which has its normal dimension only in the area of the interruption segment 6.
  • a corrugation 12 can be seen, which is intended to facilitate screwing and screwing on the closure and is also indicated in FIGS. 1 and 2 by the outer vertical lines on the cap casing 3.
  • the upper side 11 of the sealing disk 9 can also have a recess in a partial area of the bead 5, so that accordingly the contact pressure of the sealing disk 11 on the closure edge of a bottle is also lower in this area is than in the rest of the area and overpressure can thus escape.
  • Figure 5 shows the top view of a sealing washer 9 with a recess 6 'on its top facing the cap bottom.
  • this recess 6 ' can be seen in a cross-sectional view of the sealing washer 9.
  • the sealing washer 9 remains practically unchanged on its sealing underside, but it lies in the area of the recess 6 'essentially only because of its own rigidity at the sealing edge of the mouth of a bottle, while in the remaining area the projecting edge of a bead the material of the sealing washer 9 together and presses against the outer edge of the mouth of the bottle.
  • the sealing underside lifts off in the region of the recess 6 'from the mouth of the bottle, thus allowing the pressure to escape from the bottle until it is reduced so much that the sealing washer resumes due to its elasticity creates the edge of the rim of the mouth.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP89120148A 1988-11-22 1989-10-31 Bouchon à vis avec dispositif de dégazage Expired - Lifetime EP0370272B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3839351 1988-11-22
DE3839351A DE3839351A1 (de) 1988-11-22 1988-11-22 Schraubverschluss fuer flaschen mit entlueftungseinrichtung

Publications (2)

Publication Number Publication Date
EP0370272A1 true EP0370272A1 (fr) 1990-05-30
EP0370272B1 EP0370272B1 (fr) 1994-07-13

Family

ID=6367602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89120148A Expired - Lifetime EP0370272B1 (fr) 1988-11-22 1989-10-31 Bouchon à vis avec dispositif de dégazage

Country Status (4)

Country Link
US (1) US4997097A (fr)
EP (1) EP0370272B1 (fr)
DE (2) DE3839351A1 (fr)
ES (1) ES2058441T3 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0503124A1 (fr) * 1991-03-15 1992-09-16 DS-Chemie GmbH Composition polymère pour joints pour fermeture de récipients
WO1994002371A1 (fr) * 1992-07-16 1994-02-03 Precision Valve Australia Pty Ltd Fermeture inviolable
EP0900742A1 (fr) * 1997-08-04 1999-03-10 Weiss K.G. Capuchon à vis en matière plastique
EP0987190A1 (fr) 1998-09-14 2000-03-22 Crown Cork & Seal Technologies Corporation Capuchon de fermeture
EP0987191A1 (fr) 1998-09-14 2000-03-22 Crown Cork & Seal Technologies Corporation Capuchon de fermeture

Families Citing this family (43)

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US5219507A (en) * 1989-07-27 1993-06-15 Owens-Illinois Closure Inc. Method of making a tamper indicating package
US5197620A (en) * 1992-04-27 1993-03-30 Owens-Illinois Closure Inc. Venting closure
DE4241341C1 (de) * 1992-12-08 1993-12-23 Wilhelm Dipl Ing Wazel Verschluß, insbesondere Flaschenverschluß
JP2943048B2 (ja) * 1994-08-06 1999-08-30 日本山村硝子株式会社 合成樹脂製ピルファープルーフキャップ
US5450973A (en) * 1994-09-22 1995-09-19 Eagle Engraving And Mold Corp. Tamper-evident closure apparatus
US5609262A (en) * 1995-09-22 1997-03-11 Rieke Corporation Tamper evident, child-resistant closure
US5853096A (en) * 1996-11-25 1998-12-29 Bartur; Maya H. Pressure equalizing and foam eliminating cap
WO1998046493A1 (fr) * 1997-04-15 1998-10-22 Matthew John Searle Fermetures ameliorees de reservoirs contenant des boissons
AUPO788597A0 (en) * 1997-07-14 1997-08-07 Closures And Packaging Services Limited Closure
EP1025016A1 (fr) 1997-10-25 2000-08-09 Safety Cap System AG Bouchon filete en matiere plastique servant a verrouiller un article, tel qu'une bouteille
US7344039B2 (en) * 1998-08-07 2008-03-18 Berry Plastics Corporation Tamper indicating band having foldable tabs including tab extensions, tamper indicating closure including such tamper indicating band, and tamper indicating closure including such tamper indicating band and container
US6371317B1 (en) 1998-08-07 2002-04-16 Kerr Group, Inc. Tamper indicating closure with foldable tab
US6299006B1 (en) * 1999-12-10 2001-10-09 Michael E. Samonek Whistling beverage bottle construction
US7169418B2 (en) * 2001-06-04 2007-01-30 The Procter And Gamble Company Packaging system to provide fresh packed coffee
ES2236612T3 (es) * 2001-08-13 2005-07-16 Crown Packaging Technology, Inc. Capsula de cierre.
US7168581B2 (en) * 2001-12-21 2007-01-30 Rexam Medical Packaging Inc. Closure for a retort processed container having a peelable seal
AU2002950194A0 (en) * 2002-07-15 2002-09-12 Closures And Packaging Services Limited Method of inserting a barrier liner into a closure
US7637384B2 (en) * 2002-08-09 2009-12-29 Crown Packaging Technology, Inc. Tamper evident closure with locking band and container therefor
ITPD20030055A1 (it) * 2003-03-18 2004-09-19 Acqua Minerale S Benedetto S P A Supporto per biofilm da utilizzare in impianti di purificazione
US7644902B1 (en) 2003-05-31 2010-01-12 Rexam Medical Packaging Inc. Apparatus for producing a retort thermal processed container with a peelable seal
US7798359B1 (en) 2004-08-17 2010-09-21 Momar Industries LLC Heat-sealed, peelable lidding membrane for retort packaging
US7575123B2 (en) * 2005-01-19 2009-08-18 Rieke Corporation Tamper-evident locking band for a container closure
US7549547B2 (en) * 2005-06-06 2009-06-23 Berry Plastics Corporation Composite two-piece tamper-evident closure with a seal-delay-release feature and a method therefor
US7780024B1 (en) 2005-07-14 2010-08-24 Rexam Closures And Containers Inc. Self peel flick-it seal for an opening in a container neck
US8100277B1 (en) 2005-07-14 2012-01-24 Rexam Closures And Containers Inc. Peelable seal for an opening in a container neck
FR2891530B1 (fr) * 2005-10-04 2007-12-07 Valois Sas Organe de recouvrement, procede de fabrication d'un tel organe et distributeur de produit fluide utlisant un tel organe.
FR2891533B1 (fr) * 2005-10-04 2007-12-07 Valois Sas Organe de recouvrement, procede de fabrication d'un tel organe et distributeur de produit fluide utilisant un tel organe.
FR2891529B1 (fr) * 2005-10-04 2007-12-07 Valois Sas Organe de recouvrement, procede de fabrication d'un tel organe et distributeur comprenant un tel organe.
US7886928B2 (en) * 2006-04-28 2011-02-15 Silgan Plastics Corporation Container with venting closure assembly
US8584876B2 (en) * 2007-07-05 2013-11-19 Kraft Foods Group Brands Llc Food containers adapted for accommodating pressure changes using skip seals and methods of manufacture
US8251236B1 (en) 2007-11-02 2012-08-28 Berry Plastics Corporation Closure with lifting mechanism
US8366697B2 (en) * 2008-02-08 2013-02-05 Codan Us Corporation Enteral feeding safety reservoir and system
US20090232947A1 (en) * 2008-03-14 2009-09-17 Gerard Laurent Buisson Packaging system to provide fresh packed coffee
RU2507137C2 (ru) * 2008-04-30 2014-02-20 Клоужер Системз Интернэшнл, Инк. Упаковка с индикацией вскрытия с улучшенными характеристиками открывания
US20090277861A1 (en) * 2008-05-08 2009-11-12 Long Jr Charles J Closure with tamper evident strip
AU2013207356B2 (en) 2012-01-06 2016-06-30 Closure Systems International Inc. Linerless closure
DE202016102235U1 (de) * 2016-04-27 2017-07-28 Bericap Holding Gmbh Belüftungskappe für Flüssigkeitsbehälter
CN111132908B (zh) * 2017-09-28 2022-07-05 三得利控股株式会社 瓶
US10407225B2 (en) 2017-11-07 2019-09-10 Closure Systems International Inc. Closure and package that vents at high pressure
US20220097935A1 (en) * 2020-09-28 2022-03-31 Closure Systems International Inc. Package and closure with tamper-evident band
US11970319B2 (en) 2022-05-10 2024-04-30 Closure Systems International Inc. Anti-rotational and removal closure
US11945625B2 (en) 2022-06-24 2024-04-02 Closure Systems International Inc. Package with closure
US11801977B1 (en) 2022-12-02 2023-10-31 Closure Systems International Inc. Package with one-piece closure

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US2032931A (en) * 1932-04-09 1936-03-03 Anchor Cap & Closure Corp Closure cap and package
US2965257A (en) * 1959-01-12 1960-12-20 Charles Marchand Company Closure for containers
US3114467A (en) * 1961-08-23 1963-12-17 Bernardin Bottle Cap Company I Self-venting bottle cap
GB1022664A (en) * 1963-05-10 1966-03-16 Dale Ltd John Self venting sealing element

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CA767987A (en) * 1967-09-26 C. Scott Douglas Bottle cap and liner
US3966071A (en) * 1975-05-01 1976-06-29 Northup John D Venting bottle closure
US4007848A (en) * 1975-05-09 1977-02-15 Zapata Industries, Inc. Anti-missiling bottle structure
US4089434A (en) * 1976-12-10 1978-05-16 Seling Sealing Products, Inc. Venting liner
AU544147B2 (en) * 1980-12-22 1985-05-16 Crown Cork & Seal Company (Delaware) Inc. Closure
US4427126A (en) * 1981-06-08 1984-01-24 Ethyl Products Company Vented closure
US4738370A (en) * 1986-04-22 1988-04-19 Urmston Hugh C Threaded thermoplastic closure with vent slot
US4747502A (en) * 1986-10-07 1988-05-31 Ethyl Molded Products Company Vented beverage closure
DE8627663U1 (fr) * 1986-10-16 1986-11-27 Alcoa Deutschland Gmbh Verpackungswerke, 6520 Worms, De

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US2032931A (en) * 1932-04-09 1936-03-03 Anchor Cap & Closure Corp Closure cap and package
US2965257A (en) * 1959-01-12 1960-12-20 Charles Marchand Company Closure for containers
US3114467A (en) * 1961-08-23 1963-12-17 Bernardin Bottle Cap Company I Self-venting bottle cap
GB1022664A (en) * 1963-05-10 1966-03-16 Dale Ltd John Self venting sealing element

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0503124A1 (fr) * 1991-03-15 1992-09-16 DS-Chemie GmbH Composition polymère pour joints pour fermeture de récipients
US5639525A (en) * 1991-03-15 1997-06-17 Ds-Chemie Gmbh Polymer compound for the production of sealing elements for vessel or container closures
WO1994002371A1 (fr) * 1992-07-16 1994-02-03 Precision Valve Australia Pty Ltd Fermeture inviolable
EP0870693A2 (fr) * 1992-07-16 1998-10-14 Closures and Packaging Services Limited Fermeture inviolable
EP0870693A3 (fr) * 1992-07-16 1998-12-09 Closures and Packaging Services Limited Fermeture inviolable
EP0900742A1 (fr) * 1997-08-04 1999-03-10 Weiss K.G. Capuchon à vis en matière plastique
EP0987190A1 (fr) 1998-09-14 2000-03-22 Crown Cork & Seal Technologies Corporation Capuchon de fermeture
EP0987191A1 (fr) 1998-09-14 2000-03-22 Crown Cork & Seal Technologies Corporation Capuchon de fermeture
WO2000015505A2 (fr) 1998-09-14 2000-03-23 Crown Cork & Seal Technologies Corporation Bouchon de fermeture
WO2000015504A2 (fr) 1998-09-14 2000-03-23 Crown Cork & Seal Technologies Corporation Bouchon de fermeture
WO2000015505A3 (fr) * 1998-09-14 2002-09-26 Crown Cork & Seal Tech Corp Bouchon de fermeture
WO2000015504A3 (fr) * 1998-09-14 2002-10-03 Crown Cork & Seal Tech Corp Bouchon de fermeture
US6502710B1 (en) 1998-09-14 2003-01-07 Crown Cork & Steal Technologies Corporation Closure cap
US6783015B1 (en) 1998-09-14 2004-08-31 Crown Cork & Seal Technologies Corporation Closure cap

Also Published As

Publication number Publication date
DE58908040D1 (de) 1994-08-18
DE3839351A1 (de) 1990-05-31
US4997097A (en) 1991-03-05
ES2058441T3 (es) 1994-11-01
EP0370272B1 (fr) 1994-07-13

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