EP1092639A1 - Capsule en matière plastique - Google Patents

Capsule en matière plastique Download PDF

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Publication number
EP1092639A1
EP1092639A1 EP99810936A EP99810936A EP1092639A1 EP 1092639 A1 EP1092639 A1 EP 1092639A1 EP 99810936 A EP99810936 A EP 99810936A EP 99810936 A EP99810936 A EP 99810936A EP 1092639 A1 EP1092639 A1 EP 1092639A1
Authority
EP
European Patent Office
Prior art keywords
sealing
section
closure cap
cap
root section
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.)
Withdrawn
Application number
EP99810936A
Other languages
German (de)
English (en)
Inventor
Erich Simmen
Lino Dreyer
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 EP99810936A priority Critical patent/EP1092639A1/fr
Priority to EP00810025A priority patent/EP1092638A1/fr
Priority to BR0014752-4A priority patent/BR0014752A/pt
Priority to AU76753/00A priority patent/AU7675300A/en
Priority to CNB008170568A priority patent/CN1188323C/zh
Priority to MXPA02003700A priority patent/MXPA02003700A/es
Priority to ES00966310T priority patent/ES2220543T3/es
Priority to PCT/GB2000/003886 priority patent/WO2001026989A1/fr
Priority to DE60010734T priority patent/DE60010734T2/de
Priority to EP00966310A priority patent/EP1220792B1/fr
Priority to AT00966310T priority patent/ATE266580T1/de
Publication of EP1092639A1 publication Critical patent/EP1092639A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0414—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck
    • B65D41/0421—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a plug, collar, flange, rib or the like contacting the internal surface of a container neck and combined with integral sealing means contacting other surfaces of a container neck
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
    • B65D41/0407—Threaded or like caps or cap-like covers secured by rotation with integral sealing means
    • B65D41/0428—Threaded or like caps or cap-like covers secured by rotation with integral sealing means formed by a collar, flange, rib or the like contacting the top rim or the top edges or the external surface of a container neck
    • 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

Definitions

  • the invention relates to a plastic closure cap the features of the preamble of claim 1.
  • plastic caps For closing containers, e.g. bottles, it is known to use plastic caps.
  • a common area of application is beverage bottles, especially bottles of carbonated beverages. Especially for those bottles where the content is below is under increased pressure, the requirements are on the Tightness great. On the one hand, it must be ensured that No leaks occur even with increased internal pressure. On the other hand, the closure cap is to be prevented jumps off the bottle the first time you open it, as soon as that Thread on the cap with the thread on the bottle except Intervention device.
  • a typical form of sealing lips are so-called trumpet seals. It extends from an approximately cylindrical one Root section an approximately frustoconical sealing section.
  • the sealing lip is inserted into a container mouth, the frustoconical sealing section is folded back and puts on the container mouth. This will make a Contact pressure and thus a sealing effect is achieved.
  • trumpet seals give satisfactory results Sealing results.
  • a problem with such known trumpet seals is that the screwing force when the cap is placed on the Container mouth is relatively large because of folding the frustoconical section requires considerable forces are.
  • Another disadvantage with known trumpet seals is that often the time when the sealing effect is canceled, is not exactly predictable. Depending on Tolerances of the container mouth is the contact pressure of the truncated cone-shaped sealing part on the container mouth larger or less large, so that the sealing effect of the Sealing section depending on the to be closed Container can be different.
  • the cap for closing a container mouth consists of a plastic material and has a cap bottom and one extending from the edge of the cap bottom Cap apron on.
  • the cap is with at least one Provide sealing lip.
  • the sealing lip has a root section and a sealing portion.
  • the root section is with the Cap is connected and the sealing section is against one Sealing surface of the container mouth can be pressed on.
  • the sealing lip between the root section and the Provide sealing section with a material weakening.
  • a material weakening in the Comparison to conventional such sealing lips (e.g. so-called trumpet seals) can be the sealing section be more mobile with respect to the root section, i.e. easier be pivoted.
  • the material weakening has several Advantages: The force to pivot the sealing section is reduced.
  • the forces to be applied are Touchdown less.
  • the place where the sealing lip is kinked during the fitting process exactly predeterminable.
  • the Trumpet seal according to the invention always in the range of Material weakening. Therefore, the location of the sealing section predeterminable when the closure is attached. This results in a smaller spread of the gas blow-off angle.
  • Under Gas blow-off angle is understood to be the angle of rotation at which Unscrewing the seal out of engagement with the Container mouth and excess pressure escape from the container can. Due to the more precisely definable contact pressure and the Predeterminable surface against which the sealing lip against the Container is pressed, this angle of rotation is precisely defined.
  • the root section is approximately cylindrical and extends from the cap bottom.
  • the sealing section is approximately frustoconical and extends from the end of the cap facing away from the Root section. This embodiment is a classic trumpet seal. But there would also be others Sealing lips conceivable.
  • the sealing lip, especially the root section, also from the cap apron radially inwards instead of from the cap base in the axial direction extend below.
  • the weakening of the material is advantageously circumferential. This means that the weakening of the material over one Angle range extends from 360 °. This makes a special one uniform sealing behavior over the entire circumference of the Closure. Alternatively, it is also conceivable, only to provide material weaknesses in segments. Such Material weaknesses in segments have the advantage that an exact crease line is also defined. Also be Zones with lower contact pressure seen in the circumferential direction generated. In these zones, the sealing effect is due to raised internal pressure first. It results in a controlled gas blowing behavior in the area of Weakening of materials.
  • the present invention is particularly simple realize if the material weakening as a notch on one of the Surfaces of the sealing lip is formed. Training as Notch is particularly in terms of manufacturing advantageous. Such a notch on the surface of the sealing lip facing away from the cap bottom arranged. Such an arrangement is particularly in With regard to the demoldability of such a closure cap advantageous from an injection mold.
  • the closure cap can be designed as an inner seal.
  • the sealing section extends from the root section radially outwards.
  • the weakening of material is included preferably radially outside of through the center of the Cylindrical surface extending at the root section. The thus weakened material acts as a joint between Root section and sealing section.
  • the sealing lip can also be used as an external seal be trained.
  • the sealing section extends from Root section is radially inward and the material weakening is radially inside through the center of the root section extending cylinder surface arranged.
  • the material weakening on or is particularly advantageous immediately adjacent to the inner or outer surface of the Root section arranged. This way, an exact defined joint formed.
  • the root section is usually relatively stable and serves as relatively little deformable abutment. If the Material weakening directly on those acting as abutments Joins the root section, there is an articulated joint Connection of the sealing section to the essentially immovable root section.
  • the degree of material weakening is deliberately set so that on the one hand the pivotability of the sealing section based on the root section is increased, however on the other hand, a sufficiently high contact pressure of the Sealing section on a sealing surface of a container mouth can be achieved.
  • the thickness is Sealing lip in the area of material weakening about 30 - 90%, advantageously about 2/3 of the thickness of the sealing section.
  • the closure cap 1 essentially consists from a cap base 2 and a cap apron 4.
  • the Cap apron 4 extends from the edge 3 of the cap base.
  • the Cap apron 4 has a thread 13 on its inside provided, by means of which the cap 1 on a Container mouth 30 (see Figure 3) can be placed.
  • the sealing lip 5 consists essentially from a root section 6 and a sealing section 7.
  • the Root section 6 is approximately cylindrical and extends from the inside of the cap base 2.
  • the Sealing section 7 is a frustoconical section educated. The sealing section 7 extends from the Cap base 2 facing away from end 10 of root section 6.
  • the sealing lip 5 is also provided with a circumferential notch 8 Mistake.
  • the notch 8 is between the root section 6 and the Sealing section 7 arranged.
  • the notch 8 leads to one Material weakening of the sealing lip 5 and increases Pivotability of the sealing section 7 based on the Root section 6.
  • the notch 8 creates a joint between Root section 6 and sealing section 7.
  • the notch 8 is circumferential trained and located on the the cap bottom facing surface of the sealing lip 5, in particular the Sealing section 7.
  • the closure cap 1 is also known to the person skilled in the art additional elements.
  • the Cap 1 have a guarantee tape 14, which with Retaining elements 15 with retaining elements of a container in Intervention can be brought.
  • sealing lips 12 can be be provided. With the sealing lips 12 can simultaneously Sealing effects on additional surface sections of a Container mouth can be achieved.
  • FIG. 2 shows an enlarged illustration of the sealing lip 5.
  • the circumferential notch 8 is on the cap base 2 facing away Surface of the sealing portion 7 attached.
  • the notch 8 lies in or radially outside a cylindrical plane Z through the outer surface 11 of the approximately cylindrical root section 6 is formed.
  • the sealing section 7 can thus be compared the relatively inflexible root section 6 relative just swivel.
  • the thickness of the sealing section In the area of the notch 8 is the thickness of the sealing section reduced.
  • the thickness d in the area of the notch 8 is approximately 0.4 mm while the thickness D of the sealing section 7 is about 0.6 mm is.
  • the root section 6 has a length L of approximately 3.5 mm.
  • the sealing section 7 is somewhat lengthy 2.8 mm shorter training. This means that the Sealing section 7 preferably on a cylindrical inner surface of the Container mouth creates (see Figure 3).
  • the pivotability of the sealing section 7 requires a certain amount Elasticity of the cap.
  • the cap is out Plastic material, typically made of polyethylene or Made of polypropylene.
  • the one that forms a truncated cone Sealing section 7 extends at an angle ⁇ with respect the screw axis of the cap.
  • the angle ⁇ is in embodiment shown about 30 °.
  • FIG. 4 shows a structure similar to that of FIGS. 1-3 Sealing lip 5, which is designed as an outer seal.
  • Sealing lip 5 which is designed as an outer seal.
  • the sealing section 7 extends radially inward.
  • a Notch 8 is radially inside through the center 11 'of the Root section 6 formed cylindrical surface Z arranged.
  • Material weakening formed by a notch 9, which on the Cap bottom 2 facing surface of the sealing section 7 is arranged.
  • the notch 9 is outside of that through the middle '' of the root section formed cylinder surface Z 'in the area the cutting line between the outer surface 11 of the Root section and the surface of the sealing section 7 arranged.
  • Figure 6 is a similar embodiment as in the Figures 2 and 5 shown.
  • the weakening of the material is formed by individual depressions 18, which are arranged in segments.
  • the segment-like Recesses 18 are outside the cylinder surface Z through the Arranged in the middle of the root section 6 and define one exact crease line.
  • the contact pressure of the Sealing section 7 against the inner surface 31 of the container mouth 30 in the area of the depressions 18 compared to the Contact pressure between the recesses 18 is reduced. In the area the depressions 18 will therefore first be gas blown off. On this defines precisely defined ventilation behavior achieved.
  • the root section 6 is generally proportionate trained stable. For example, a thickness T of 1.0 mm selected.
  • the invention cannot be applied to others, either Use sealing lip arrangements shown in detail. Essential is that a weakening of material leads to a decoupling between a pivotable sealing section and a relative stable root section leads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP99810936A 1999-10-14 1999-10-14 Capsule en matière plastique Withdrawn EP1092639A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
EP99810936A EP1092639A1 (fr) 1999-10-14 1999-10-14 Capsule en matière plastique
EP00810025A EP1092638A1 (fr) 1999-10-14 2000-01-11 Capsule en matière plastique
BR0014752-4A BR0014752A (pt) 1999-10-14 2000-10-11 Tampa de fechamento de material plástico para fechar uma boca do recipiente
AU76753/00A AU7675300A (en) 1999-10-14 2000-10-11 Closure cap made of plastics material
CNB008170568A CN1188323C (zh) 1999-10-14 2000-10-11 塑料制成的封闭盖子
MXPA02003700A MXPA02003700A (es) 1999-10-14 2000-10-11 Tapa de cierre de material plastico.
ES00966310T ES2220543T3 (es) 1999-10-14 2000-10-11 Tapon de cierre hecho de material plastico.
PCT/GB2000/003886 WO2001026989A1 (fr) 1999-10-14 2000-10-11 Bouchon de fermeture constitué de matière plastique
DE60010734T DE60010734T2 (de) 1999-10-14 2000-10-11 Verschlusskappe aus kunststoff
EP00966310A EP1220792B1 (fr) 1999-10-14 2000-10-11 Bouchon de fermeture constitu de matiere plastique
AT00966310T ATE266580T1 (de) 1999-10-14 2000-10-11 Verschlusskappe aus kunststoff

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99810936A EP1092639A1 (fr) 1999-10-14 1999-10-14 Capsule en matière plastique

Publications (1)

Publication Number Publication Date
EP1092639A1 true EP1092639A1 (fr) 2001-04-18

Family

ID=8243087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99810936A Withdrawn EP1092639A1 (fr) 1999-10-14 1999-10-14 Capsule en matière plastique

Country Status (1)

Country Link
EP (1) EP1092639A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003059768A1 (fr) * 2002-01-16 2003-07-24 Dimitrios Pairis Capuchon de fermeture en plastique dote d'un anneau de scellement
WO2004080838A1 (fr) * 2003-03-12 2004-09-23 Owens-Illinois Closure Inc. Fermeture indicatrice d'effraction, emballage et procede de fabrication
EP1585680A1 (fr) * 2002-11-20 2005-10-19 Jung-Min Lee Ensemble d'ecoulement pour recipient a liquide
WO2014186153A1 (fr) * 2013-05-13 2014-11-20 Owens-Brockway Glass Container Inc. Bague d'étanchéité pour rendre hermétique un contenant
AU2013231119B2 (en) * 2013-09-20 2018-08-09 Bcl Closures Pty Ltd Cap Closure
WO2021063771A1 (fr) * 2019-10-02 2021-04-08 Alpla Werke Alwin Lehner Gmbh+Co. Kg Contenant en plastique rechargeable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401751A1 (de) * 1994-01-21 1995-06-08 Alcoa Gmbh Verpackwerke Verschluß für Behälter
US5836464A (en) * 1988-06-17 1998-11-17 Closures And Packaging Services Limited Closure for beverage container

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5836464A (en) * 1988-06-17 1998-11-17 Closures And Packaging Services Limited Closure for beverage container
DE4401751A1 (de) * 1994-01-21 1995-06-08 Alcoa Gmbh Verpackwerke Verschluß für Behälter

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003059768A1 (fr) * 2002-01-16 2003-07-24 Dimitrios Pairis Capuchon de fermeture en plastique dote d'un anneau de scellement
EP1585680A1 (fr) * 2002-11-20 2005-10-19 Jung-Min Lee Ensemble d'ecoulement pour recipient a liquide
EP1585680A4 (fr) * 2002-11-20 2006-05-24 Jung-Min Lee Ensemble d'ecoulement pour recipient a liquide
WO2004080838A1 (fr) * 2003-03-12 2004-09-23 Owens-Illinois Closure Inc. Fermeture indicatrice d'effraction, emballage et procede de fabrication
EP3231732A3 (fr) * 2013-05-13 2017-12-20 Owens-Brockway Glass Container Inc. Bague d'étanchéité pour rendre hermétique un contenant
US8991634B2 (en) 2013-05-13 2015-03-31 Owens-Brockway Glass Container Inc. Seal ring for sealing a container
WO2014186153A1 (fr) * 2013-05-13 2014-11-20 Owens-Brockway Glass Container Inc. Bague d'étanchéité pour rendre hermétique un contenant
AU2017228588B2 (en) * 2013-05-13 2018-11-08 Owens-Brockway Glass Container Inc. Seal ring for sealing a container
EP3514078A1 (fr) * 2013-05-13 2019-07-24 Owens-Brockway Glass Container Inc. Bague d'étanchéité pour rendre hermétique un contenant
AU2019200518B2 (en) * 2013-05-13 2020-10-22 Owens-Brockway Glass Container Inc. Seal ring for sealing a container
AU2019200518C1 (en) * 2013-05-13 2021-01-28 Owens-Brockway Glass Container Inc. Seal ring for sealing a container
AU2013231119B2 (en) * 2013-09-20 2018-08-09 Bcl Closures Pty Ltd Cap Closure
WO2021063771A1 (fr) * 2019-10-02 2021-04-08 Alpla Werke Alwin Lehner Gmbh+Co. Kg Contenant en plastique rechargeable
CH716662A1 (de) * 2019-10-02 2021-04-15 Alpla Werke Alwin Lehner Gmbh & Co Kg Wiederbefüllbarer Kunststoffbehälter mit einem Hals mit einer Halsöffnung und einen ein Füllvolumen umschliessenden Behälterkörper.
CN114531868A (zh) * 2019-10-02 2022-05-24 阿尔温莱纳股份有限两合公司阿尔普拉工厂 用于对优选板状的工件覆层的方法

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