EP0034997A1 - Capuchon de fermeture pour un récipient - Google Patents
Capuchon de fermeture pour un récipient Download PDFInfo
- Publication number
- EP0034997A1 EP0034997A1 EP81810029A EP81810029A EP0034997A1 EP 0034997 A1 EP0034997 A1 EP 0034997A1 EP 81810029 A EP81810029 A EP 81810029A EP 81810029 A EP81810029 A EP 81810029A EP 0034997 A1 EP0034997 A1 EP 0034997A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guarantee
- reinforcement
- guarantee band
- closure cap
- 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
Links
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 25
- 238000001746 injection moulding Methods 0.000 claims description 7
- 230000008719 thickening Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
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
- B65D41/3461—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt the tamper element being retracted by heat or by heat and pressure
- B65D41/3466—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt the tamper element being retracted by heat or by heat and pressure and 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 closure cap for a container, which is provided with a guarantee band and is made in one piece with the guarantee band from thermoplastic material by injection molding, the guarantee band being connected to the lower edge of the closure cap via a plurality of predetermined breaking connecting webs is intended to at least partially surround the container neck and which, after the closure cap has been applied to the container neck, can be positively molded and brought into engagement with it by hot deformation.
- Sealing caps for containers, in particular for bottles, produced in the injection molding process are known and customary in a wide variety of embodiments.
- the invention has for its object to avoid the disadvantages of the known, in particular to create a closure cap of the type mentioned, the guarantee tape is plasticized even when low heat output is applied without tearing and that can be produced with shapes that fill the Allow shape from the cap and over the predetermined breaking connecting webs in the guarantee tape. According to the invention, this is achieved primarily in that the wall thickness of the guarantee band has a reinforcement in the area between two predetermined breaking connecting webs. This reinforcement, ie thickening of the material, produces various surprising effects.
- the guarantee tape retains sufficient stability due to the increasing and decreasing material thickness between two predetermined breaking connecting webs, even if the plasticizing temperature is exceeded, for example.
- this partial shrinkage in a large number of subareas around the scope of the guarantee band is completely sufficient to form-fit the guarantee band on the container.
- the invention thus creates both a guarantee band, which can be plasticized faster and with less thermal energy in the area between the reinforcements, and a guarantee band, which is more resistant to overheating in a wide range than known guarantee bands.
- the invention can be implemented particularly advantageously if the reinforcement is provided on the inside of the guarantee band and has an approximately tendon-like course. This allows particularly simple manufacture using the injection molding process.
- Bottle closures which are placed in fast-running systems and are hot-formed with large temperature tolerances, have shown that the best results can be achieved both functionally and optically if the reinforcement is approximately 10% to 15% of the wall thickness of the guarantee band.
- a guarantee tape is used which has a wall thickness of approximately 0.35 to 0.45 mm and in which the reinforcement is approximately 0.03 to 0.07 mm.
- a closure cap 1 is placed on a container neck 2 and is exposed to the flow of a hot air nozzle 3 arranged on the side.
- the container neck 2 is rotated such that the entire circumference of the closure cap 1 is acted upon by the hot air nozzle 3 in the plane of the guarantee band 4.
- the guarantee band 4 is plasticized and wraps around an annular bead 5 on the container neck 2.
- the container neck 2 is closed in a theft-proof manner by the closure cap 1.
- the guarantee band 4 lies in a form-fitting manner around the container neck 2 and the closure cap 1 can only be removed from the container neck 2 by tearing the predetermined breaking connecting webs 6.
- Fig. 2 shows a torn guarantee tape 4, in which the connecting webs 6 are torn in the manner described when removing the container neck 2.
- the multiplicity of connecting webs 6 allows, when the closure cap 1 is sprayed, a mold arrangement which, as shown in FIG. 3 by arrows, is filled from the cap bottom.
- the liquid thermoplastic material penetrates through the connecting webs 6 in the area of Guarantee band, whereby the individual partial streams x and y, which each result behind the connecting webs 6, meet approximately in the middle between two connecting webs 6.
- the plastic material In the area of the dividing line 7, in which two partial flows x and y meet, the plastic material requires a greater thickness in order to be mechanically firmly connected in the same way as in the remaining area of the guarantee tape 4, which has a homogeneous and laminar material structure.
- a material reinforcement 8 is therefore provided in this area, as illustrated in FIGS. 4 to 6.
- the material reinforcement 8 runs in a wedge shape over the entire length of the guarantee band and decreases from bottom to top. In the top view (FIG. 4), it is clearly recognizable as a tendon-like interruption of the inner wall of the guarantee band 4, which runs in a circular manner. This thickening is particularly easy to achieve because, according to FIG. 6, the inner wall of the guarantee band 4 is slightly conical in the remaining area runs outwards and the reinforcement means a simple transition of the inner wall to a cylindrical course.
- the material reinforcement can also be achieved in a different way, but such a design has proven particularly useful for manufacturing reasons and in view of the fact that the closure cap 1 can be easily removed from an injection molding tool.
- the wall thickness of the guarantee tape 4 is 0.4 mm at the widest point.
- the reinforcement 8 is 0.05 mm at the thickest point, so that the total wall thickness in the area of the reinforcement 8 increases to 0.45 mm.
- the guarantee band 4 When heated by a hot air nozzle 3, the guarantee band 4 is softened particularly strongly in the sections between the connecting webs 6 and the material reinforcements 8, with a shrinking process of the entire guarantee band 4 being care should be taken before shrinking occurs in the area of the reinforcement 8.
- the shrinking that is to say the reduction in the diameter of the guarantee band, is achieved by the combined action of heat and pressure by hot air flowing out of the nozzle 3. Even a segment-like softening of the guarantee band 4 in the sections between the reinforcements 8 therefore ensures a secure and theft-proof seating of the closure cap 1 on the container neck 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Packages (AREA)
- Wrappers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81810029T ATE7589T1 (de) | 1980-02-14 | 1981-02-03 | Verschlusskappe fuer einen behaelter. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1203/80 | 1980-02-14 | ||
CH120380 | 1980-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0034997A1 true EP0034997A1 (fr) | 1981-09-02 |
EP0034997B1 EP0034997B1 (fr) | 1984-05-23 |
Family
ID=4204914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81810029A Expired EP0034997B1 (fr) | 1980-02-14 | 1981-02-03 | Capuchon de fermeture pour un récipient |
Country Status (14)
Country | Link |
---|---|
US (1) | US4345692A (fr) |
EP (1) | EP0034997B1 (fr) |
JP (1) | JPS56131160A (fr) |
AR (1) | AR222119A1 (fr) |
AT (1) | ATE7589T1 (fr) |
AU (1) | AU536146B2 (fr) |
BR (1) | BR8100891A (fr) |
CA (1) | CA1154400A (fr) |
DE (1) | DE3163698D1 (fr) |
ES (1) | ES267102Y (fr) |
GR (1) | GR72763B (fr) |
IE (1) | IE810281L (fr) |
NZ (1) | NZ196262A (fr) |
ZA (1) | ZA81959B (fr) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2518061A1 (fr) * | 1981-12-11 | 1983-06-17 | Wiedmer Walter | Bouchon filete avec bande de garantie pour recipient |
EP0086970A2 (fr) * | 1982-02-20 | 1983-08-31 | Alcoa Deutschland GmbH | Construction et procédé de montage d'un capuchon ainsi que capuchon pour un col de récipient muni d'un pas de vis ou d'un bourrelet |
EP0113642A1 (fr) * | 1983-01-07 | 1984-07-18 | Crown Obrist AG | Capuchon de fermeture pour un récipient et procédé de fabrication de celui-ci |
EP0121050A1 (fr) * | 1983-02-24 | 1984-10-10 | Stanley A. Jacobs | Capuchon de sécurité pour récipient en matière plastique avec bande étanche et déchirable |
US4480761A (en) * | 1982-07-14 | 1984-11-06 | Albert Obrist Ag | Tamper indicating closure for a container |
GB2143512A (en) * | 1983-07-19 | 1985-02-13 | Nat Plastics Ltd | Container closure |
FR2550514A1 (fr) * | 1983-08-12 | 1985-02-15 | Lammerant Henri | Capsule inviolable |
EP0155021A1 (fr) * | 1984-02-09 | 1985-09-18 | Kornelis' Kunsthars Producten Industrie B.V. | Capsule de bouchage en polypropylène pourvue d'un joint et d'une bande de garantie |
US5813553A (en) * | 1995-06-07 | 1998-09-29 | Kerr Group, Inc. | Snap-band tamper evident |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4545496A (en) * | 1981-07-24 | 1985-10-08 | H-C Industries, Inc. | Plastic closure with mechanical pilfer band |
DE3345775A1 (de) * | 1983-12-17 | 1985-06-20 | Owens-Illinois, Inc., Toledo, Ohio | Diebstahlsichere packung |
US4872304A (en) * | 1985-12-12 | 1989-10-10 | Tri-Tech Systems International Inc. | Closure cap with a seal and method of and apparatus for forming such closure and seal |
US4708255A (en) * | 1985-12-12 | 1987-11-24 | Tri-Tech Systems International Inc. | Closure cap with a linerless seal and a method for forming such closure and seal |
US4709824A (en) * | 1985-12-12 | 1987-12-01 | Tri-Tech Systems International Inc. | Tamper evident plastic caps with lower separable or breakaway portions and a method of forming them |
US4925617A (en) * | 1987-06-10 | 1990-05-15 | Tri-Tech Systems International, Inc. | Method of forming a closure cap with a seal |
US4823967A (en) * | 1987-06-10 | 1989-04-25 | Tri-Tech Systems International Inc. | Closure for container and method for forming the closure |
US4886947A (en) * | 1987-06-17 | 1989-12-12 | Tri-Tech Systems International, Inc. | Closure system and method of forming and using same |
US4856667A (en) * | 1987-06-17 | 1989-08-15 | Tri-Tech Systems International Inc. | Container and cap |
US4811857A (en) * | 1987-06-17 | 1989-03-14 | Tri-Tech Systems International Inc. | Closure system and method of forming and using same |
US5100009A (en) * | 1989-05-03 | 1992-03-31 | Tri-Tech Systems International Inc. | Closure and access systems for containers and methods of manufacture and use |
US4890754A (en) * | 1989-05-26 | 1990-01-02 | Zapata, Industries, Inc. | Pilfer-resistant plastic closure |
US4993571A (en) * | 1989-09-14 | 1991-02-19 | American Safety Closure Corp. | Tamper-evident cap |
JP3313364B2 (ja) * | 1989-12-28 | 2002-08-12 | トライ―テック システムズ インターナショナル インコーポレイテッド | 開封指示キャップおよび該キャップの製作方法 |
EG21314A (en) | 1992-07-16 | 2000-10-31 | Driutt Rodney Malcolm | Tamper evident closure |
US5542095A (en) * | 1993-08-24 | 1996-07-30 | Pacific Communication Sciences | Frequency Reference Compensation |
US6062408A (en) * | 1997-04-09 | 2000-05-16 | Dtl Technology Limited Partnership | Wide mouth hot fill container |
US6237791B1 (en) | 1997-04-09 | 2001-05-29 | Dtl Technology Limited Partnership | Wide mouth hot fill container |
US6257435B1 (en) | 2000-01-12 | 2001-07-10 | King Plastics, Inc. | Tamper evident closure member |
US6631820B2 (en) | 2000-12-22 | 2003-10-14 | Seaquist Closures Foreign, Inc. | Tamper-evident dispensing closure with partial breakaway cover |
US6405885B1 (en) | 2000-12-22 | 2002-06-18 | Seaquist Closures Foreign, Inc. | Locking tamper-evident dispensing closure |
JP6128831B2 (ja) * | 2012-12-21 | 2017-05-17 | 日本クロージャー株式会社 | 合成樹脂製容器蓋 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1384370A (en) * | 1971-01-11 | 1975-02-19 | United Glass Ltd | Closures for containers |
DE2529289A1 (de) * | 1974-08-19 | 1976-03-04 | Obrist Ag Albert | Garantieverschluss fuer behaelter und verfahren zur herstellung desselben |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3329295A (en) * | 1965-11-29 | 1967-07-04 | Zbislaw M Roehr | Tamper-indicating closure |
CH505005A (de) * | 1968-03-30 | 1971-03-31 | Ciba Geigy Ag | Verfahren zur Herstellung eines Garantieverschlusses und nach diesem Verfahren hergestellter Garantieverschluss |
FR2348116A1 (fr) * | 1976-04-16 | 1977-11-10 | Prot Srl | Dispositif de fermeture a sceau de garantie pour bouteilles ou analogues |
AU516094B2 (en) * | 1977-12-14 | 1981-05-14 | Metal Closures Group Limited | Closures for containers |
US4206852A (en) * | 1979-01-26 | 1980-06-10 | Aluminum Company Of America | Linerless closure for pressurized container |
-
1981
- 1981-01-27 GR GR63977A patent/GR72763B/el unknown
- 1981-02-02 CA CA000369847A patent/CA1154400A/fr not_active Expired
- 1981-02-03 EP EP81810029A patent/EP0034997B1/fr not_active Expired
- 1981-02-03 DE DE8181810029T patent/DE3163698D1/de not_active Expired
- 1981-02-03 AT AT81810029T patent/ATE7589T1/de active
- 1981-02-10 AR AR284261A patent/AR222119A1/es active
- 1981-02-11 AU AU67170/81A patent/AU536146B2/en not_active Ceased
- 1981-02-12 US US06/233,884 patent/US4345692A/en not_active Expired - Fee Related
- 1981-02-13 IE IE810281A patent/IE810281L/xx unknown
- 1981-02-13 ES ES1981267102U patent/ES267102Y/es not_active Expired
- 1981-02-13 JP JP2003181A patent/JPS56131160A/ja active Pending
- 1981-02-13 NZ NZ196262A patent/NZ196262A/xx unknown
- 1981-02-13 ZA ZA00810959A patent/ZA81959B/xx unknown
- 1981-02-13 BR BR8100891A patent/BR8100891A/pt unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1384370A (en) * | 1971-01-11 | 1975-02-19 | United Glass Ltd | Closures for containers |
DE2529289A1 (de) * | 1974-08-19 | 1976-03-04 | Obrist Ag Albert | Garantieverschluss fuer behaelter und verfahren zur herstellung desselben |
FR2282378A1 (fr) * | 1974-08-19 | 1976-03-19 | Obrist Ag Albert | Fermeture de garantie pour des recipients et procede permettant sa production |
FR2395909A1 (fr) * | 1974-08-19 | 1979-01-26 | Obrist Ag Albert | Fermeture de garantie pour des recipients et procede permettant sa production |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2518061A1 (fr) * | 1981-12-11 | 1983-06-17 | Wiedmer Walter | Bouchon filete avec bande de garantie pour recipient |
EP0086970A2 (fr) * | 1982-02-20 | 1983-08-31 | Alcoa Deutschland GmbH | Construction et procédé de montage d'un capuchon ainsi que capuchon pour un col de récipient muni d'un pas de vis ou d'un bourrelet |
EP0086970A3 (en) * | 1982-02-20 | 1985-04-10 | Alcoa Deutschland Gmbh | Construction and mounting process for a cap and cap for a container neck provided with a screw-thread or a bead |
US4480761A (en) * | 1982-07-14 | 1984-11-06 | Albert Obrist Ag | Tamper indicating closure for a container |
EP0113642A1 (fr) * | 1983-01-07 | 1984-07-18 | Crown Obrist AG | Capuchon de fermeture pour un récipient et procédé de fabrication de celui-ci |
WO1984002694A1 (fr) * | 1983-01-07 | 1984-07-19 | Obrist Ag Albert | Couvercle de recipient et installation pour sa fabrication |
US4564112A (en) * | 1983-01-07 | 1986-01-14 | Crown Obrist Ag | Closure cap for a container |
EP0121050A1 (fr) * | 1983-02-24 | 1984-10-10 | Stanley A. Jacobs | Capuchon de sécurité pour récipient en matière plastique avec bande étanche et déchirable |
GB2143512A (en) * | 1983-07-19 | 1985-02-13 | Nat Plastics Ltd | Container closure |
FR2550514A1 (fr) * | 1983-08-12 | 1985-02-15 | Lammerant Henri | Capsule inviolable |
EP0155021A1 (fr) * | 1984-02-09 | 1985-09-18 | Kornelis' Kunsthars Producten Industrie B.V. | Capsule de bouchage en polypropylène pourvue d'un joint et d'une bande de garantie |
US5813553A (en) * | 1995-06-07 | 1998-09-29 | Kerr Group, Inc. | Snap-band tamper evident |
Also Published As
Publication number | Publication date |
---|---|
GR72763B (fr) | 1983-12-02 |
EP0034997B1 (fr) | 1984-05-23 |
DE3163698D1 (en) | 1984-06-28 |
US4345692A (en) | 1982-08-24 |
CA1154400A (fr) | 1983-09-27 |
ES267102Y (es) | 1986-08-01 |
JPS56131160A (en) | 1981-10-14 |
ZA81959B (en) | 1982-04-28 |
BR8100891A (pt) | 1981-08-25 |
ATE7589T1 (de) | 1984-06-15 |
IE810281L (en) | 1981-08-14 |
NZ196262A (en) | 1983-04-12 |
AR222119A1 (es) | 1981-04-15 |
ES267102U (es) | 1983-03-16 |
AU6717081A (en) | 1981-08-20 |
AU536146B2 (en) | 1984-04-19 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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