EP1144254B1 - Bouchon de fermeture - Google Patents

Bouchon de fermeture Download PDF

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Publication number
EP1144254B1
EP1144254B1 EP99941621A EP99941621A EP1144254B1 EP 1144254 B1 EP1144254 B1 EP 1144254B1 EP 99941621 A EP99941621 A EP 99941621A EP 99941621 A EP99941621 A EP 99941621A EP 1144254 B1 EP1144254 B1 EP 1144254B1
Authority
EP
European Patent Office
Prior art keywords
cap
bulge
bead
weakening
container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99941621A
Other languages
German (de)
English (en)
Other versions
EP1144254A2 (fr
Inventor
Udo Bösl
Georg Pfefferkorn
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.)
Crown Packaging Technology Inc
Original Assignee
Crown Cork and Seal Technologies Corp
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 Crown Cork and Seal Technologies Corp filed Critical Crown Cork and Seal Technologies Corp
Priority to EP99941621A priority Critical patent/EP1144254B1/fr
Publication of EP1144254A2 publication Critical patent/EP1144254A2/fr
Application granted granted Critical
Publication of EP1144254B1 publication Critical patent/EP1144254B1/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
    • 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
    • B65D41/3442—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with rigid bead or projections formed on the tamper element and coacting with bead or projections on the container
    • 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
    • B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
    • B65D41/045—Discs
    • 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

Definitions

  • the invention relates to a closure cap with the features the preamble of the independent claim.
  • Such Plastic closures are known and are also used to close containers carbonated drinks used.
  • Such a closure is, for example, from EP 55 916 known.
  • the sealing washer is a protrusion in the Targeted area between the cap base and the cap apron against the upper outer edge of the mouth of the container pressed. In this way, a pressure is applied high surface pressure and thus a good sealing effect.
  • EP 370 272 From EP 370 272 it is known, for example, that rotating Partially rib to press on the sealing washer interrupt.
  • the sealing washer can be in the area of the interruptions avoid overpressure and thus a reduction of the Allow pressure in the container.
  • the construction according to EP 370 272 has the disadvantage that in the areas the interruption do not touch the sealing washer at all outer edge is pressed. This can cause leakage lead even if there is no increased pressure in the container is.
  • the cap for a container has a cap base and a cap apron.
  • the cap apron is provided with inner retaining means, which can be brought into engagement with outer retaining means at the mouth of a container.
  • the cap can have, for example, a screw thread or a snap or bayonet thread.
  • the cap can be used advantageously for drinks containing CO 2 or for hot-filled drinks.
  • the cap also has a sealing washer which lies at least partially on the cap base.
  • a sealing washer which lies at least partially on the cap base.
  • the cap has also in the transition area between the cap base and the cap apron a circumferential bead for pressing the Sealing washer on the upper, outer edge of the mouth of the Container.
  • the sealing cap is between the bead and the apron at least partially with a circumferential undercut Mistake.
  • the undercut can be evenly over 360 degrees over the circumference of the closure cap extend.
  • the undercut is also conceivable only in segments train.
  • the bead is also in at least one provide a segment-shaped section with a weakening.
  • the sealing washer is pressed on evenly to the container mouth.
  • the undercut gives some flexibility at the bottom of the bead, so that the bead when pressure is applied to the outside is bendable.
  • the size of the undercut can be the pressure at which the internal pressure is released be precisely predetermined.
  • the weaknesses in the bead confer a larger one in the predetermined sections radial flexibility. In these sections, the sealing washer with increased internal pressure, be pushed outwards. A blow off is possible.
  • the undercut preferably extends from the lower one Edge of the bead in an area, the distance to the cap bottom having. This means that the bead is in the transition area continuous between the cap bottom and the cap wall is trained.
  • the Weakening of the bead due to depressions on the outside of the bead which faces the cap apron. This creates segment-like weakenings without there is an irregular contact surface.
  • the contact surface, which the sealing washer against the outer upper Pressed on the edge of the container mouth thus extends over 360 degrees and is essentially flat, i.e. she has none Deepenings or elevations.
  • the wells on the Outside of the bead still give the bead in predeterminable Areas increased radial flexibility.
  • the bulge can pass through different choice of material, different orientation of the material or be weakened by different density of the material.
  • the weakening is of the bead formed by depressions that extend from the lower Extend the end of the bead axially against the cap base and which preferably extend over the entire thickness of the bead. Because the depressions don't extend to the top End of the bead but only extend towards the base of the cap, the disadvantages of a bead with continuous Avoid interruptions according to the prior art.
  • the weakening advantageously extends approximately over the height the undercut. In the area between the lower end of the bead and the end of the undercut is the bead flexible. The weakening is special in this area effective.
  • the sections which have weakening of the bead preferably comprise in total (i.e. the sum of all sections together) an angular range of 90 ° to 220 °. There are preferably about 3 to 15 sections with weakenings intended.
  • the cap base can be opened to increase the blow-off function its inside also with at least one radial Be provided depression that radially least over extends a sealing portion of the cap bottom.
  • the sealing section defines the zone of the cap base which presses the sealing washer against the container mouth. by virtue of the recess in the cap base can be the sealing washer be displaced axially upwards and thus a way to dismantle form an overpressure.
  • Embodiment aligns the radial recess in the radial Seal with a weakening of the bead.
  • the cap base is open provided on the inside with a circumferential rib that runs concentrically to the cap.
  • the circulating Rib serves to increase the contact pressure of the sealing washer.
  • the radial ribs are preferred higher than the circumferential rib. In this case the radial depressions are dispensed with. It has found that the provision of such radial ribs especially with hot fillings, for example with fruit juices, is advantageous. Because of the heat, the Sealing washer softer and there is usually a risk of that the sealing washer is pulled radially inwards. With the radial ribs and with the circumferential rib this becomes avoided.
  • Figure 1 shows a closure cap 1 according to the invention Cross-section.
  • the cap 1 is essentially from a cap base 2 and a cap apron 3, which in a transition area 7 meet.
  • the cap is provided with an inserted sealing washer 5, which rests on the inside of the cap base 2.
  • the Sealing disc is used to seal a container mouth schematically illustrated container 20th
  • a bead 6 is provided, which Sealing disc 5 against the upper edge 22 of the container 20th presses.
  • an undercut 8 is provided which corresponds to the lower one End 14 (see Figures 3 and 4) increased radial flexibility gives.
  • the bead 6 is in the area the undercut 8 provided with weakenings 10.
  • the Weakenings 10 impart the bead 6 in selected sections 9 (see Figures 2 to 4) an additionally increased radial flexibility.
  • the sealing disc 5 is in a sealing area 17 from the cap bottom 2 pressed against the container mouth. Once inside of the container creates an increased internal pressure Cap base 2 pressed up, whereby the sealing washer in Sealing section 17 is relieved of pressure. Because of the weakening 10 in the bead 6, the sealing washer 5 in the area Sections 9 with weakenings pressed radially outwards and the increased internal pressure is reduced.
  • the cap can also be used with other caps provide known, constructive details his.
  • a guarantee tape 19 is shown, which to indicate unauthorized opening of the closure.
  • the closure cap is provided with ventilation cutouts 18, which favor the gas discharge.
  • FIG. 2 shows a section of the closure cap according to the invention 1 shown in perspective without a sealing washer.
  • the segment-like sections 9 can be seen in FIG which the bead 6 is provided with weaknesses 10.
  • the Attenuations 10 are formed as depressions 12, which are arranged on the outside 13 of the bead 6.
  • the inside 15 of the cap base 2 is also provided with radial ribs 16.
  • the radial ribs 16 extend at least over the sealing section 17, in which a sealing disk 5 (see FIG. 1) can be pressed against a container mouth.
  • the cap base 2 is also provided with a circumferential rib 23 which increases the pressure on the sealing disk 5 in the area outside the radial recesses 16.
  • the height h 1 of the radial ribs 16 is greater than the height h 2 of the circumferential rib 23.
  • FIG Sealing washer shown from below.
  • the circumferential bead 6 has a continuous inside.
  • the wells 12 lead to weakening of the bead 6 in segment-like Sections 9.
  • the depressions 12 are even over the distributed over the entire circumference of the closure cap. They extend each over an angular range of approximately 5 ° to 40 °.
  • radial ribs 16 are shown in the cap base 2, which end between the wells 12.
  • On the inside of the cap base 2 is also shown a circumferential rib 23, which in the sealing section 17, the not shown Press the sealing disk 5 against the container mouth.
  • the undercut 8 between the cap apron 3 and the bead 6 gives the bead 6 in combination with the depressions 12 increased flexibility in the direction of the arrow r.
  • FIGS. 4a and 4b Various exemplary embodiments are shown in FIGS. 4a and 4b shown to form the weakenings 10 of the bead 6.
  • the bead 6 is only on the outside 13, which is directed against the cap apron 2, with a Provide depression 12.
  • the recess 12 extends from lower end 14 axially against the cap base 2.
  • the undercut 8 has a height h. The end of the undercut 8 is at a distance from the inside 15 of the cap base 2. This means that the bead 6 in the transition area 7 between the cap apron 2 and the cap base 3 continuously formed between the cap base and the apron is.
  • the sealing washer 5 is against a by the bead 6 mouth of a container 20 only shown schematically pressed.
  • FIG. 4b shows an alternative embodiment of the Invention shown.
  • the recess 12 ' which is the weakening 10 in the bead 6 is continuous in the radial direction educated. Otherwise the embodiment corresponds according to FIG. 4b the example from FIG. 4a.
  • FIG. 5 shows the exemplary embodiment according to FIG. 4a shown a container with increased internal pressure. Because of the the cap bottom 2 is increased internal pressure in the container 20 axially curved outwards (so-called doming). This will the sealing washer 5 is relieved of pressure in the sealing section 17, so that gas can escape. Because of the weakening 10 of the bead 6 can the bead and thus the sealing washer 5 in the direction of the arrow r be pushed radially outwards, causing gas can also escape in this area. In dashed lines The position of the bead in normal position is shown by lines. In the circumferential sections outside the sections 9 with weakenings 10 the bulge 6 assumes this original position. The Venting therefore only takes place in segments and is therefore precise controllable. In the remaining sections there is the contact pressure the sealing disc 5 is still so large that a seal is guaranteed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Cosmetics (AREA)
  • Road Signs Or Road Markings (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Glass Compositions (AREA)

Claims (8)

  1. Couvercle (1) pour un récipient (20), comprenant
       un fond (2),
       une jupe (3) pourvue d'éléments de retenue intérieurs (4) qui sont aptes à venir en prise avec des éléments de retenue extérieurs de l'ouverture du récipient (20),
       une plaque d'étanchéité (5) qui est appliquée au moins partiellement contre le fond de couvercle (2), et
       un renflement périphérique (6) qui est prévu dans la zone de transition (7) entre le fond (2) et la jupe (3)
       pour comprimer la plaque d'étanchéité (5) contre le bord extérieur supérieur (22) de l'ouverture du récipient (20),
       le couvercle (1) étant pourvu au moins partiellement, entre le renflement (6) et la jupe (3), d'une contre-dépouille périphérique (8),
       caractérisé en ce que le renflement présente dans au moins une section en forme de segment (9) un affaiblissement (10).
  2. Couvercle (1) selon la revendication 1, caractérisé en ce que la contre-dépouille (8) s'étend jusque dans une zone qui est espacée du côté intérieur (15) du fond de couvercle (2).
  3. Couvercle selon la revendication 1 ou 2, caractérisé en ce que l'affaiblissement (10) du renflement (6) est défini par des creux (12) prévus sur le côté extérieur (13) du renflement (6) qui est tourné vers la jupe de couvercle (3).
  4. Couvercle selon l'une des revendications 1 à 3, caractérisé en ce que l'affaiblissement (10) du renflement (6) est défini par des creux (12') qui s'étendent axialement, à partir de l'extrémité inférieure (14) du renflement (6), vers le fond de couvercle (2) et qui s'étendent de préférence sur toute l'épaisseur (d) du renflement.
  5. Couvercle selon l'une des revendications 1 à 4, caractérisé en ce que les affaiblissements (10) s'étendent à peu près sur la hauteur (h) de la contre-dépouille (8).
  6. Couvercle selon l'une des revendications 1 à 5, caractérisé en ce que les sections (9) pourvues d'un affaiblissement (10) couvrent en tout une zone angulaire de 90° à 220°, et il est prévu de préférence 3 à 15 sections (9) pourvues d'un affaiblissement (10).
  7. Couvercle selon l'une des revendications 1 à 6, caractérisé en ce que le fond de couvercle (2) présente sur son côté intérieur (15) au moins une nervure radiale (16) qui s'étend radialement au moine sur une section d'étancbéité (17) de la plaque supérieure (2), et en ce que le fond de couvercle présenta à titre optionnel une nervure périphérique (23), la hauteur (h1) de la nervure radiale (16) étant supérieure à la hauteur (h2) de ladite nervure périphérique.
  8. Couvercle selon la revendication 7, caractérisé en ce que la nervure radiale (16) se termine entre des affaiblissements voisins (10) du renflement (6).
EP99941621A 1998-09-14 1999-08-14 Bouchon de fermeture Expired - Lifetime EP1144254B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99941621A EP1144254B1 (fr) 1998-09-14 1999-08-14 Bouchon de fermeture

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP98810912 1998-09-14
EP98810912A EP0987190A1 (fr) 1998-09-14 1998-09-14 Capuchon de fermeture
EP99941621A EP1144254B1 (fr) 1998-09-14 1999-08-14 Bouchon de fermeture
PCT/EP1999/005971 WO2000015504A2 (fr) 1998-09-14 1999-08-14 Bouchon de fermeture

Publications (2)

Publication Number Publication Date
EP1144254A2 EP1144254A2 (fr) 2001-10-17
EP1144254B1 true EP1144254B1 (fr) 2003-02-12

Family

ID=8236316

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98810912A Withdrawn EP0987190A1 (fr) 1998-09-14 1998-09-14 Capuchon de fermeture
EP99941621A Expired - Lifetime EP1144254B1 (fr) 1998-09-14 1999-08-14 Bouchon de fermeture

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP98810912A Withdrawn EP0987190A1 (fr) 1998-09-14 1998-09-14 Capuchon de fermeture

Country Status (7)

Country Link
US (1) US6783015B1 (fr)
EP (2) EP0987190A1 (fr)
AT (1) ATE232484T1 (fr)
AU (1) AU5516699A (fr)
DE (1) DE59904300D1 (fr)
ES (1) ES2192856T3 (fr)
WO (1) WO2000015504A2 (fr)

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EP1278678A1 (fr) * 2000-05-05 2003-01-29 GEFIT S.p.A. Bouchon en plastique dote d'un joint d'etancheite
AU2003251005A1 (en) * 2002-07-08 2004-01-23 Guido Ribi Container closure with sealing element and process and appartus for making it
AU2002359966A1 (en) * 2002-11-29 2004-06-23 Gefit S.P.A. Plastics cap
US20040237379A1 (en) * 2003-05-28 2004-12-02 Long Roger H. Insect traps
FR2856663B1 (fr) * 2003-06-24 2005-07-22 Pechiney Capsules Capsule de bouchage a vis amelioree
US7867425B2 (en) * 2004-08-11 2011-01-11 Rexam Closure Systems Inc. Closure with liner seal vents
CN101044065B (zh) * 2004-09-01 2013-02-13 克雷诺瓦通用密封有限公司 瓶盖
EP1879807A2 (fr) * 2005-03-14 2008-01-23 Creanova Universal Closures Ltd. Dispositif de fermeture
US7886928B2 (en) 2006-04-28 2011-02-15 Silgan Plastics Corporation Container with venting closure assembly
US8708182B2 (en) * 2009-07-27 2014-04-29 Kraft Foods Group Brands Llc Method and container lid to manipulate a container opening liner
GB201019769D0 (en) 2010-11-22 2011-01-05 Greif Int Holding Bv Vented container closure
EP2468654B1 (fr) * 2010-12-23 2015-03-04 Obrist Closures Switzerland GmbH Fermeture de récipient
US20190337692A1 (en) * 2018-05-01 2019-11-07 Silgan White Cap LLC Venting closure
USD885904S1 (en) 2018-05-01 2020-06-02 Silgan White Cap LLC Venting closure
CH715394A1 (de) 2018-09-28 2020-03-31 Alpla Werke Alwin Lehner Gmbh & Co Kg Kunststoffbehälter mit einem an einer Seitenwand anschliessenden Hals mit einer Ausgiessöffnung.
MX2021009101A (es) 2020-06-23 2022-03-11 Silgan White Cap LLC Estructuras de sellado para cierre.
EP4267481A1 (fr) 2020-12-22 2023-11-01 Silgan White Cap LLC Joint d'aération de bouchon
US12004637B2 (en) * 2021-05-25 2024-06-11 Jackson Langseth Perrault Water bottle seat
CN113291618B (zh) * 2021-07-26 2021-11-19 常州树杰塑业有限公司 一种用于承载塑料薄膜添加剂用的添加桶
US20240101321A1 (en) * 2022-09-22 2024-03-28 Ring Container Technologies Llc Container system and method

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US6276543B1 (en) * 1999-05-19 2001-08-21 Crown Cork & Seal Technologies Corporation Vented composite closure
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Also Published As

Publication number Publication date
WO2000015504A2 (fr) 2000-03-23
EP0987190A1 (fr) 2000-03-22
ATE232484T1 (de) 2003-02-15
US6783015B1 (en) 2004-08-31
AU5516699A (en) 2000-04-03
ES2192856T3 (es) 2003-10-16
WO2000015504A3 (fr) 2002-10-03
DE59904300D1 (de) 2003-03-20
EP1144254A2 (fr) 2001-10-17

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