EP0460557A2 - Fermeture à vis avec bande de garantie - Google Patents

Fermeture à vis avec bande de garantie Download PDF

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Publication number
EP0460557A2
EP0460557A2 EP91108998A EP91108998A EP0460557A2 EP 0460557 A2 EP0460557 A2 EP 0460557A2 EP 91108998 A EP91108998 A EP 91108998A EP 91108998 A EP91108998 A EP 91108998A EP 0460557 A2 EP0460557 A2 EP 0460557A2
Authority
EP
European Patent Office
Prior art keywords
section
screw cap
cap
cap according
guarantee band
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
EP91108998A
Other languages
German (de)
English (en)
Other versions
EP0460557A3 (fr
EP0460557B1 (fr
Inventor
Werner R.F. Stibal
Franz Thomas Bartl
Hans-Werner Breuer
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 Cork AG
Original Assignee
Crown Cork AG
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 AG filed Critical Crown Cork AG
Priority to AT91108998T priority Critical patent/ATE96110T1/de
Publication of EP0460557A2 publication Critical patent/EP0460557A2/fr
Publication of EP0460557A3 publication Critical patent/EP0460557A3/fr
Application granted granted Critical
Publication of EP0460557B1 publication Critical patent/EP0460557B1/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
    • B65D41/3423—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
    • 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
    • B65D41/3447—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 the tamper element being integrally connected to the closure by means of bridges
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/30—Tamper-ring remaining connected to closure after initial removal
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/35—Vertical or axial lines of weakness

Definitions

  • the invention relates to a screw cap made of plastic material for closing a container mouth according to the preamble of claim 1.
  • Such screw caps have a guarantee function in that a first removal of the cap is indicated by tearing off the guarantee band.
  • Screw caps with mechanically locking guarantee bands have been known and used for a long time.
  • a problem with the known caps is, in particular, that the guarantee band is designed in such a way that it tears at the right place when it is opened for the first time, but that it does not interfere with the closing process when the container mouth is subsequently closed again. In the case of reusable containers, it is undesirable for the guarantee band to remain at the bottle mouth, so that the guarantee band must tear open in the circumferential direction and remain firmly connected to the lower edge of the cap at least at one point. Screw caps of the same type are known, for example, from EP-A-154 603 or EP-A-281 514.
  • the vertical predetermined breaking point must be designed so that it does not tear or become damaged when the cap is screwed on for the first time. On the other hand, the predetermined breaking point must not cause excessive circumferential elasticity, so that the cap can be unscrewed without tearing off the band.
  • the material recess absorbs material expansion when it is screwed on for the first time and thus relieves the predetermined breaking point. Nevertheless, the cap cannot be unscrewed without tearing the predetermined breaking point.
  • the material recess can e.g. be designed as a vertical slot, which extends over part of the guarantee band. Instead of a slot, however, only one notch could also be arranged in the guarantee band.
  • the guarantee band can be integrally and firmly connected to the lower edge of the cap over a relatively large circumferential section, this section having only a support and retention function and allowing the cap to be placed symmetrically on the bottle, but does not actually perform a guarantee function.
  • the guarantee function is exercised by the complementary section, which is not or only tearably connected to the lower edge of the cap. This section can be made relatively short, so that when the container mouth is subsequently closed again there is no danger that the torn guarantee band will be pushed between the threads.
  • the guarantee band is continuously formed over its entire circumference, which means that the necessary circumferential tension is achieved when it is opened for the first time. This ensures that the predetermined breaking point tears on the guarantee tape.
  • the firmly connected section of the guarantee band extends particularly advantageously over an angle of more than 90 ° and less than 270 °, preferably from 120 ° to 260 °.
  • the complementary section of the guarantee tape which is not firmly connected to the cap, can be connected to the lower edge of the cap via tear-off webs. However, two webs can be sufficient to hold the complementary section in place.
  • the retaining elements are preferably arranged on the separately designed complementary section of the guarantee band, but can also extend at least partially over the firmly connected section.
  • the retaining elements can be designed as deformable tongues, e.g. according to applicant's EP-A-281 514.
  • the retaining elements can also be designed as individual beads, as shown in US-A-4,305,516 or in US-A-4,744,479. It would even be conceivable for the only retaining element to be a circumferential or almost circumferential inner bead on the guarantee band.
  • At least one inwardly directed support lug is arranged on the lower cap edge in the region of the detachable complementary section.
  • This support lug prevents the complementary section of the guarantee band, which is connected to the edge of the cap only by a few webs, from being pushed into the cap opening when it is first put on.
  • the upper edge of the guarantee band is rather supported on the nose, so that the tear-off bars are prevented from tearing when the cap is put on.
  • Figure 1 shows a screw cap 1 made of plastic material with an internal thread 5, which is intended to close a container mouth 2 with an external thread 6.
  • Such screw caps are preferably used for closing bottles with soft drinks, which are generally reusable glass bottles with a standardized bottle mouth.
  • the guarantee band 3 consists of a circumferential section 9 which is firmly connected to the lower edge of the cap and of a complementary section 10 which can be torn off or not firmly connected.
  • the retaining elements which will be explained later, on the inside of the guarantee band snap under the bead 4 at the mouth of the container when the cap is first screwed on 2 and when unscrewing the cap for the first time, cause the necessary tensile force to tear the guarantee tape.
  • the cross section of the screw cap can be seen from FIGS. 2 to 4.
  • the screw cap 1 itself can have an orifice seal 16 on its cap base or else another sealing system such as, for example, an inserted sealing washer.
  • the cross-sectional shape of the screw cap and the guarantee band is selected such that it is manufactured in one axially opening injection mold is possible.
  • FIG. 5 shows the length of the peripheral section 9 firmly connected to the lower edge 15. In the exemplary embodiment, this extends over an angle alpha of approximately 240 °.
  • This section as can be seen from FIG. 2 on the right side, is connected to the lower edge 15 practically in its entire wall thickness and therefore cannot be torn off.
  • the complementary section 10 which is not firmly connected to the lower edge of the cap, accordingly extends over an angle Beta of approximately 120 °.
  • the cross-sectional shape of the guarantee band in this section can be seen from FIG. 2, left side.
  • the guarantee band is approximately wedge-shaped at the top and connected to the lower edge of the cap at only two tear-off webs 12 and 12 '.
  • Inwardly directed tongues 7 serve as retaining elements, under each of which a support bead 8 is arranged.
  • the tongues 7 are bent upwards and thus slide over the bead 4 at the bottle mouth. Bending of the tongues 7 downward is prevented by the support beads 8, so that the retaining elements once engaged under the bead 4 can no longer be pushed over the bead without tearing the guarantee band 3.
  • a predetermined breaking point 11 is arranged on the guarantee band.
  • this consists of a horizontal web 17 which connects the fixed section 9 and the loose complementary section 10 to one another.
  • a material recess 13 in the form of a slot is provided directly next to the section 9. This slot extends only about half of the guarantee bandwidth, so that there is no complete interruption of the guarantee band. Instead of the slot, it would also be possible to arrange only one notch with which the wall thickness of the guarantee tape is greatly reduced. The material recess 13 relieves the predetermined breaking point 11 without significantly reducing the disproportionately large expansion forces when unscrewing for the first time.
  • FIG. 3 also shows the support lug 14, which is arranged on the inside of the cap in the region of the loose complementary section 10.
  • This support nose which is inclined slightly obliquely downward, prevents the loose complementary section 10 from being able to slide into the cap opening when the cap is screwed on for the first time.
  • the tear-off webs 12 and 12 ' are relieved.
  • FIG. 3 shows the arrangement of the retaining elements 7, which extend over an angle delta of approximately 180 °.
  • Three of the retaining elements lie on the loose complementary section 10, while two of the retaining elements 7 'are already arranged on the fixed peripheral section 9.
  • the first of the retaining elements lies approximately diametrically opposite the predetermined breaking point 11.
  • the two tear-off webs 12 and 12 ' lie within an angle gamma of less than 90 °, starting from the predetermined breaking point 11.
  • the number of retaining elements 7, the tear-off webs 12 and the angles of the individual sections can obviously be adapted to the particular circumstances. In certain cases it would also be conceivable to provide more than one predetermined breaking point 11 on the guarantee band.
  • the cross-sectional shape of the guarantee band can also be adapted to the individual case.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Wrappers (AREA)
  • Cartons (AREA)
  • Package Frames And Binding Bands (AREA)
EP91108998A 1988-11-28 1989-11-20 Fermeture à vis avec bande de garantie Expired - Lifetime EP0460557B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91108998T ATE96110T1 (de) 1988-11-28 1989-11-20 Schraubkappe mit garantieband.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4411/88 1988-11-28
CH441188 1988-11-28

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP89810883.2 Division 1989-11-20
EP89810883A Division EP0371920B1 (fr) 1988-11-28 1989-11-20 Fermeture à vis avec bande de garantie

Publications (3)

Publication Number Publication Date
EP0460557A2 true EP0460557A2 (fr) 1991-12-11
EP0460557A3 EP0460557A3 (fr) 1991-12-18
EP0460557B1 EP0460557B1 (fr) 1993-10-20

Family

ID=4275637

Family Applications (2)

Application Number Title Priority Date Filing Date
EP91108998A Expired - Lifetime EP0460557B1 (fr) 1988-11-28 1989-11-20 Fermeture à vis avec bande de garantie
EP89810883A Expired - Lifetime EP0371920B1 (fr) 1988-11-28 1989-11-20 Fermeture à vis avec bande de garantie

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP89810883A Expired - Lifetime EP0371920B1 (fr) 1988-11-28 1989-11-20 Fermeture à vis avec bande de garantie

Country Status (4)

Country Link
EP (2) EP0460557B1 (fr)
AT (2) ATE91264T1 (fr)
DE (2) DE58905985D1 (fr)
ES (2) ES2041441T3 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993024386A1 (fr) * 1992-05-27 1993-12-09 Schekra Verpackungs Gmbh & Co. Kg Capuchon de fermeture
EP0575987A2 (fr) * 1992-06-26 1993-12-29 Mouldtec PVG AG Fermeture pour bouteille pour boisson
WO1994002371A1 (fr) * 1992-07-16 1994-02-03 Precision Valve Australia Pty Ltd Fermeture inviolable
FR2744988A1 (fr) * 1996-02-21 1997-08-22 Nord Est Dev Bouchon en matiere plastique comportant une bague d'inviolabilite, ensemble bouchon/recipient, procede de fabrication d'un tel bouchon et procede de realisation d'un tel ensemble bouchon/recipient
WO1999058411A1 (fr) * 1998-05-08 1999-11-18 Sacmi Cooperativa Meccanici Imola S.C.R.L. Capsule filetee en plastique a anneau inviolable
ES2142203A1 (es) * 1995-07-21 2000-04-01 Nord Est Dev Tapon de material plastico que comprende un casquillo de inviolabilidad y medios de estanqueidad con el recipiente.
JP5007893B1 (ja) * 2011-06-08 2012-08-22 村山 哲夫 ピルファープルーフキャップ
USD747201S1 (en) 2013-09-18 2016-01-12 Bericap Closure
US9975669B2 (en) 2013-12-24 2018-05-22 Berlcap Hinged closure device with first opening indicator
USD833278S1 (en) 2014-09-03 2018-11-13 Bericap Closure for a container

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4201997C1 (fr) * 1992-01-25 1992-12-10 Stella Kunststofftechnik Gmbh, 6228 Eltville, De
AUPO788597A0 (en) 1997-07-14 1997-08-07 Closures And Packaging Services Limited Closure
DE19730324A1 (de) * 1997-07-15 1999-01-28 Mouldtec Kunststoff Gmbh Schraubkappe mit Garantieband
DE19827242A1 (de) 1998-06-18 1999-12-30 Mouldtec Kunststoff Gmbh Verschlußkappe, insbesondere Schraubkappe aus Kunststoff mit Garantieband
FR2813288B1 (fr) 2000-08-23 2003-02-21 Rical Sa Systeme d'inviolabilite pour un bouchon comportant des moyens de blocage de la deformation radiale de la bague d'inviolabilite lors du montage
US7077278B2 (en) 2001-06-18 2006-07-18 Bericap Holding Gmbh Screw cap comprising a tamper-evident band
CN212402082U (zh) * 2020-01-08 2021-01-26 四川省宜宾普什模具有限公司 防伪拉环翻盖

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2439414A1 (de) * 1974-08-16 1976-03-04 Hohenzollern Huettenverwalt Kunststoffverschluss fuer flaschen und behaelter
FR2457813A1 (fr) * 1979-05-31 1980-12-26 Grussen Jean Capsule a vis en matiere plastique pour bouteilles
US4278180A (en) * 1980-01-24 1981-07-14 Aluminum Company Of America Container closure with breakable annular ring
EP0154603A1 (fr) * 1984-02-06 1985-09-11 Crown Obrist Ag Capsule de bouchage en matière plastique
US4550843A (en) * 1982-12-14 1985-11-05 Maxcap, Inc. Bottle caps
DE3531508A1 (de) * 1985-09-04 1987-03-12 Saier E Kunststoffwerk Gmbh Schraubverschlusskappe, insbesondere aus kunststoff, fuer flaschen, becher od. dgl.
US4744479A (en) * 1986-07-11 1988-05-17 Interplastic Ag Tamper indicating closure for bottles and the like
EP0281514A1 (fr) * 1987-02-26 1988-09-07 Crown Cork AG Capsule de fermeture à bande de garantie

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744480A (en) * 1985-12-19 1988-05-17 The West Company Tamper-evident container-closure
CH672109A5 (fr) * 1987-01-30 1989-10-31 Wiedmer Plastikform W

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2439414A1 (de) * 1974-08-16 1976-03-04 Hohenzollern Huettenverwalt Kunststoffverschluss fuer flaschen und behaelter
FR2457813A1 (fr) * 1979-05-31 1980-12-26 Grussen Jean Capsule a vis en matiere plastique pour bouteilles
US4278180A (en) * 1980-01-24 1981-07-14 Aluminum Company Of America Container closure with breakable annular ring
US4550843A (en) * 1982-12-14 1985-11-05 Maxcap, Inc. Bottle caps
EP0154603A1 (fr) * 1984-02-06 1985-09-11 Crown Obrist Ag Capsule de bouchage en matière plastique
DE3531508A1 (de) * 1985-09-04 1987-03-12 Saier E Kunststoffwerk Gmbh Schraubverschlusskappe, insbesondere aus kunststoff, fuer flaschen, becher od. dgl.
US4744479A (en) * 1986-07-11 1988-05-17 Interplastic Ag Tamper indicating closure for bottles and the like
EP0281514A1 (fr) * 1987-02-26 1988-09-07 Crown Cork AG Capsule de fermeture à bande de garantie

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993024386A1 (fr) * 1992-05-27 1993-12-09 Schekra Verpackungs Gmbh & Co. Kg Capuchon de fermeture
EP0575987A3 (en) * 1992-06-26 1994-06-08 Mouldtec Pvg Ag Closure for drinks bottle
EP0575987A2 (fr) * 1992-06-26 1993-12-29 Mouldtec PVG AG Fermeture pour bouteille pour boisson
EP0870693A3 (fr) * 1992-07-16 1998-12-09 Closures and Packaging Services Limited Fermeture inviolable
EP0870693A2 (fr) * 1992-07-16 1998-10-14 Closures and Packaging Services Limited Fermeture inviolable
WO1994002371A1 (fr) * 1992-07-16 1994-02-03 Precision Valve Australia Pty Ltd Fermeture inviolable
CN1052205C (zh) * 1992-07-16 2000-05-10 封闭及包装服务有限公司 擅开识别盖
ES2142203A1 (es) * 1995-07-21 2000-04-01 Nord Est Dev Tapon de material plastico que comprende un casquillo de inviolabilidad y medios de estanqueidad con el recipiente.
FR2744988A1 (fr) * 1996-02-21 1997-08-22 Nord Est Dev Bouchon en matiere plastique comportant une bague d'inviolabilite, ensemble bouchon/recipient, procede de fabrication d'un tel bouchon et procede de realisation d'un tel ensemble bouchon/recipient
WO1999058411A1 (fr) * 1998-05-08 1999-11-18 Sacmi Cooperativa Meccanici Imola S.C.R.L. Capsule filetee en plastique a anneau inviolable
US6308848B1 (en) 1998-05-08 2001-10-30 Sacmi Cooperativa Meccanici Imola S.C.R.L. Plastic screw cap with tamper-evident ring
JP5007893B1 (ja) * 2011-06-08 2012-08-22 村山 哲夫 ピルファープルーフキャップ
USD747201S1 (en) 2013-09-18 2016-01-12 Bericap Closure
US9975669B2 (en) 2013-12-24 2018-05-22 Berlcap Hinged closure device with first opening indicator
USD833278S1 (en) 2014-09-03 2018-11-13 Bericap Closure for a container

Also Published As

Publication number Publication date
ES2041441T3 (es) 1993-11-16
DE58905985D1 (de) 1993-11-25
EP0371920A2 (fr) 1990-06-06
EP0371920B1 (fr) 1993-07-07
ATE96110T1 (de) 1993-11-15
DE58904871D1 (de) 1993-08-12
EP0371920A3 (en) 1990-11-22
EP0460557A3 (fr) 1991-12-18
ATE91264T1 (de) 1993-07-15
EP0460557B1 (fr) 1993-10-20
ES2045988T3 (es) 1994-01-16

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