WO2019064450A1 - 内圧が陽圧となるボトルに用いるキャップ、及び、当該キャップを取り付けたボトル - Google Patents

内圧が陽圧となるボトルに用いるキャップ、及び、当該キャップを取り付けたボトル Download PDF

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Publication number
WO2019064450A1
WO2019064450A1 PCT/JP2017/035289 JP2017035289W WO2019064450A1 WO 2019064450 A1 WO2019064450 A1 WO 2019064450A1 JP 2017035289 W JP2017035289 W JP 2017035289W WO 2019064450 A1 WO2019064450 A1 WO 2019064450A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
bottle
side wall
peripheral surface
internal pressure
Prior art date
Application number
PCT/JP2017/035289
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
高野力
小林俊也
Original Assignee
サントリーホールディングス株式会社
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 サントリーホールディングス株式会社 filed Critical サントリーホールディングス株式会社
Priority to ES17926420T priority Critical patent/ES2902326T3/es
Priority to JP2018566320A priority patent/JP6956749B2/ja
Priority to EP17926420.5A priority patent/EP3521195B1/en
Priority to CN201780044481.8A priority patent/CN111132908B/zh
Priority to PCT/JP2017/035289 priority patent/WO2019064450A1/ja
Publication of WO2019064450A1 publication Critical patent/WO2019064450A1/ja

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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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
    • B65D51/1688—Venting occurring during initial closing or opening of the container, by means of a passage for the escape of gas between the closure and the lip of the container mouth, e.g. interrupted threads

Definitions

  • the present invention relates to a cap used for a bottle in which the internal pressure is positive, and a bottle to which the cap is attached.
  • a cap 100 attached to a bottle such as JP-A-2015-9853 (PTL 1), is a female screw that is engaged with a male screw provided on the outer peripheral surface of the bottle opening.
  • a plurality of projections 102 are intermittently connected in the circumferential direction.
  • a bottle such as a bottle filled with a carbonated beverage and having a positive internal pressure
  • the top surface 103 of the cap 100 is pushed up as shown in FIG.
  • the side wall 104 may also be pushed upward by being dragged by the top surface 103. In such a state, the sealed state of the bottle opening by the cap is released, and there is a possibility that the contents may leak.
  • the side wall 104 is pushed upward because the cap side wall 104 is deformed so as to extend in the circumferential direction and expand outward, but the female screw portion 101 in which a plurality of protrusions 102 are intermittently connected in the circumferential direction is In the conventional cap 100 having such a configuration, the cap sidewall 104 can not be sufficiently suppressed from extending in the circumferential direction, and the leak of the contents can not be effectively suppressed.
  • the objective of this invention is providing the cap which can suppress the leak of the contents effectively.
  • the cap according to the present invention is A cap used for a bottle where the internal pressure is positive, It has a female screw to be engaged with a male screw provided on the outer peripheral surface of the bottle mouth,
  • the female screw portion includes a circumferential projection extending continuously at least 360 degrees and projecting from the inner circumferential surface of the cap side wall,
  • the circumferential protrusion is provided with at least one notch in which a part in the radial direction is cut.
  • the male screw portion is provided with the circumferential projecting portion that continuously extends in a spiral shape at 360 degrees, it is possible to effectively suppress the circumferential extension of the cap side wall, and the cap side wall is outward As a result, the cap side wall can be effectively suppressed from being pushed upward. Thereby, the leak of the contents can be effectively suppressed.
  • the circumferential projection is provided with a notch in which a part of the radial direction is cut out, the notch becomes an escape path for the gas, so that gas can be released at the time of opening, and it is opened safely. You can plug it.
  • a plurality of the notches be provided at predetermined intervals in the circumferential protrusion.
  • weight reduction can be achieved because of having a plurality of notches, and furthermore, since the cap is provided at a predetermined interval, the strength of the cap can be equalized, and deformation of the cap sidewall can be more effectively suppressed. .
  • the edge of the notch is formed in a smooth arc shape.
  • the edge of the notch is formed in a step-like shape, when attaching the cap to the bottle opening, the male screw and the notch of the bottle opening interfere with each other to attach the cap to the bottle
  • the edge of the notch portion is formed in a gentle arc shape, so that when the cap is attached to the bottle mouth portion, the male thread portion of the bottle mouth portion and the cut portion are cut. Interference between the notches and the other can be effectively suppressed, and the cap can be easily attached to the bottle smoothly.
  • an outer seal portion for sealing the outer peripheral surface of the bottle opening portion is provided, and a rib for connecting the outer seal portion and the inner peripheral surface of the cap side wall is provided between the outer seal portion and the inner peripheral surface of the cap side wall. It is suitable.
  • the deformation of the seal portion, the cap top surface, and the side wall can be effectively suppressed, and the leak of the contents can be effectively suppressed.
  • a cap for use in a bottle for carbonated beverages is preferred.
  • the cap according to the present invention can effectively suppress the leak of the contents due to the increase of the internal pressure, and therefore is effective for the bottle filled with the carbonated beverage in which the internal pressure tends to increase.
  • the cap of the present invention Even if the deformation rate is the same, the larger the diameter of the cap, the larger the amount of deformation, so there is a high risk of leakage of the contents due to the rise in internal pressure, and the outer diameter of the bottle opening is 25 mm or more According to the cap of the present invention, the leak of the contents can be effectively suppressed even if the diameter of the cap is increased.
  • the bottle according to the present invention is One of the above-mentioned caps according to the present invention is attached.
  • Embodiments of a cap and a bottle according to the present invention will be described with reference to the drawings.
  • the purpose of the cap 20 according to the present embodiment is to prevent the sealed state of the bottle opening 10 by the cap 20 from being released when the internal pressure of the bottle is increased, and to avoid the leak of the contents. It is used for a bottle whose internal pressure is positive pressure, in particular, a bottle for carbonated beverages in the present embodiment.
  • the cap 20 according to the present embodiment will be described.
  • the cap 20 which concerns on this embodiment is attached to the opening 10 of the bottle shown in FIG.
  • a male screw 11 is provided on the outer peripheral surface 10A of the bottle mouth 10.
  • the male screw portion 11 is a plurality of projecting portions 12 protruding in a radial direction from the outer peripheral surface 10A of the opening 10 intermittently and continuously connected in a spiral shape.
  • the reference numeral 13 is a passage for the gas that has escaped from the liquid in the bottle 1.
  • the outer diameter of the bottle opening 10 is 35 mm.
  • the outer diameter of the bottle opening 10 is not particularly limited, but is preferably 25 mm or more, and particularly preferably 28 mm or more. In general, the larger the diameter of the cap 10, the higher the risk of leakage of the contents due to the increase in internal pressure, and hence the cap 20 according to the present embodiment, which can effectively suppress the leakage of contents, is particularly effective. is there.
  • the bottle may be a bottle generally distributed in the market.
  • a thermoplastic resin such as polyethylene, polypropylene or polyethylene terephthalate is used as a main material and integrally molded by a stretching method such as biaxial stretch blow molding. be able to.
  • the capacity of the bottle is not particularly limited, and may be about 200 ml to 2 liters in general circulation.
  • the liquid to be filled in the bottle is a carbonated beverage in the present embodiment, but it is not particularly limited, and the internal pressure becomes positive after filling, or is filled in a state where the internal pressure becomes positive by sealing with nitrogen or the like.
  • drinking water, tea, fruit juice, coffee, cocoa, soft drinks, alcoholic beverages, milk drinks, beverages such as soups, and liquid seasonings such as sauces and soy sauce may be mentioned.
  • the cap 20 which concerns on this embodiment is provided with the internal thread part 21 engaged with the external thread part 11, as shown to FIG.
  • the female screw portion 21 is composed of a circumferential protrusion 22 continuously and helically extending at least 360 degrees (in this embodiment, 680 degrees) protruding from the inner circumferential surface 25A of the cap side wall 25. That is, although the male screw portion 11 of the bottle mouth portion 10 is formed by connecting the plurality of projecting portions 12 with the gap 13 between them, the female screw portion 21 has one circumferential projecting portion 22 of at least 360 rounds. It is possible to effectively suppress the leak of the contents.
  • the leak of the content occurs because the upper surface 24 of the cap 20 is pushed up by the increase of the internal pressure, and the cap side wall 25 may also be pushed upward in the form of being dragged by the upper surface.
  • the sealed state of the bottle opening 10 by the cap 20 is released, but since the male screw portion 21 is formed of the circumferential protrusion 22 continuously extending at least 360 degrees, the cap side wall It is possible to effectively suppress the circumferential expansion of the cap 25 and to prevent the cap sidewall 25 from expanding outward, and as a result, it is possible to effectively inhibit the cap sidewall 25 from being pushed upward.
  • At least one notch 23 in which a part in the radial direction is notched (that is, does not reach the inner circumferential surface 25A of the bottle side wall 25) is formed in the circumferential protrusion 22 It is provided. More specifically, a plurality of (in the present embodiment) are provided at predetermined intervals. Since the plurality of notches 23 are provided, weight reduction can be achieved, and furthermore, since the cap 20 is provided at a predetermined interval, the strength of the cap 20 is equalized, and deformation of the cap side wall 25 can be suppressed more effectively.
  • each notch 23 is arranged at a position corresponding to the position of the gap 13 of the male screw 11.
  • each notch 23 is formed in a gentle arc.
  • the depth of the notch 23 is not particularly limited as long as it does not reach the inner peripheral surface 25 A of the bottle side wall 25, but it is preferable that it is 20 to 80% of the protrusion height of the circumferential protrusion 22. If it is less than 20%, it is difficult to prevent the swelling of the cap side wall 25. If it exceeds 80%, it is difficult to secure a gas escape path, and it is also impossible to reduce the weight.
  • the inner seal portion 26 for sealing the tip of the inner peripheral surface of the mouth 10 and the tip of the outer peripheral surface 10A of the mouth 10
  • an outer seal portion 27 for sealing.
  • the mouth portion 10 is sealed by sandwiching the tip portion of the mouth portion 10 with the inner seal portion 26 and the outer seal portion 27.
  • ribs 28 and 29 connecting the both are circumferentially equal to each other.
  • a plurality of (14 in the present embodiment) are provided at intervals.
  • each rib 28 extends between the outer seal portion 27 and the inner circumferential surface 25A of the cap side wall 25 in a state of being inclined with respect to the radial direction
  • each rib 29 extends in the radial direction And extends between the inner seal portion 26 and the outer seal portion 27.
  • the rib 29 is located in the middle position in the circumferential direction between the adjacent ribs 28, and the rib 29 is located in the middle position in the circumferential direction between the adjacent ribs 29 so that the cap top surface is deformed. It is possible to effectively suppress the leak of the contents.
  • the configuration in which the female screw portion 21 includes one circumferential protrusion 22 has been described as an example.
  • embodiments of the present invention are not limited thereto.
  • at least one of the projecting portions is a circumferential projecting portion 22 continuous at 360 degrees or more. It may be.
  • the ribs 28 connect between the outer seal portion 27 and the inner circumferential surface 25A of the cap side wall 25 and between the inner seal portion 26 and the outer seal portion 27.
  • a configuration in which a plurality of 29 are provided at equal intervals has been described as an example.
  • the embodiment of the present invention is not limited to this, the number of ribs 28 and 29 can be changed as appropriate, and the ribs 28 and 29 may not be provided at equal intervals. In addition, both or one of the ribs 28 and 29 may not be provided.
  • the present invention can be used, for example, for bottle caps.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
PCT/JP2017/035289 2017-09-28 2017-09-28 内圧が陽圧となるボトルに用いるキャップ、及び、当該キャップを取り付けたボトル WO2019064450A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES17926420T ES2902326T3 (es) 2017-09-28 2017-09-28 Tapa para su uso con una botella con presión interna positiva y una botella con una tapa unida al mismo
JP2018566320A JP6956749B2 (ja) 2017-09-28 2017-09-28 内圧が陽圧となるボトル
EP17926420.5A EP3521195B1 (en) 2017-09-28 2017-09-28 Cap for use with bottle having positive internal pressure, and bottle with cap attached thereto
CN201780044481.8A CN111132908B (zh) 2017-09-28 2017-09-28 瓶
PCT/JP2017/035289 WO2019064450A1 (ja) 2017-09-28 2017-09-28 内圧が陽圧となるボトルに用いるキャップ、及び、当該キャップを取り付けたボトル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/035289 WO2019064450A1 (ja) 2017-09-28 2017-09-28 内圧が陽圧となるボトルに用いるキャップ、及び、当該キャップを取り付けたボトル

Publications (1)

Publication Number Publication Date
WO2019064450A1 true WO2019064450A1 (ja) 2019-04-04

Family

ID=65902731

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/035289 WO2019064450A1 (ja) 2017-09-28 2017-09-28 内圧が陽圧となるボトルに用いるキャップ、及び、当該キャップを取り付けたボトル

Country Status (5)

Country Link
EP (1) EP3521195B1 (zh)
JP (1) JP6956749B2 (zh)
CN (1) CN111132908B (zh)
ES (1) ES2902326T3 (zh)
WO (1) WO2019064450A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100001430A1 (it) * 2021-01-26 2022-07-26 Sacmi Tappo per contenitore.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60150938U (ja) * 1978-09-15 1985-10-07 メタル・クロージユアーズ・リミテツド ねじ付きキャップ
JPS63162465A (ja) * 1986-10-07 1988-07-06 エチル　モルデッド　プロダクツ　カンパニー 熱可塑性蓋部材
JPS63272671A (ja) * 1987-04-21 1988-11-10 Toyo Seikan Kaisha Ltd プラスチツクキヤツプ
JPH10203551A (ja) * 1997-01-22 1998-08-04 Kishimoto Akira 密封容器
JP2005193913A (ja) * 2003-12-26 2005-07-21 Alcoa Closure Systems Japan Ltd 合成樹脂製キャップ、閉止装置、および容器詰め飲料
US20080110851A1 (en) * 2006-10-13 2008-05-15 Owens-Illinois Closure Inc. Dual seal closure and package
JP2015009853A (ja) 2013-06-28 2015-01-19 日本クロージャー株式会社 プラスチックキャップ及びキャップ付ポリエステルボトル
WO2016151746A1 (ja) * 2015-03-24 2016-09-29 サントリーホールディングス株式会社 樹脂製容器の蓋構造

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Publication number Priority date Publication date Assignee Title
JPS5330450U (zh) * 1976-08-20 1978-03-15
US4657221A (en) * 1986-04-22 1987-04-14 Aluminum Company Of America Male core for forming vent slots in a thermoplastic closure
JPS63162455A (ja) * 1986-12-23 1988-07-06 味の素株式会社 プラスチツク容器
DE3839351A1 (de) * 1988-11-22 1990-05-31 Berg Jacob Gmbh Co Kg Schraubverschluss fuer flaschen mit entlueftungseinrichtung
EG21314A (en) * 1992-07-16 2000-10-31 Driutt Rodney Malcolm Tamper evident closure
CA2242344C (en) * 1996-01-30 2005-11-15 Crown Cork Ag Bottle finish and closure cap with double screw thread
GB2409200B (en) * 2003-12-19 2007-01-17 Beeson & Sons Ltd Bottle and closure assembly with improved locking elements
WO2008131199A1 (en) * 2007-04-19 2008-10-30 Closure Systems International, Inc. Package with closure having rotation-inhibiting projections
CN101367453A (zh) * 2007-08-16 2009-02-18 上海紫日包装有限公司 单片塑料瓶盖
JP5691028B2 (ja) * 2009-12-25 2015-04-01 サントリー食品インターナショナル株式会社 ボトルおよび内容物入りボトル
CN205366465U (zh) * 2016-01-19 2016-07-06 广州雅塑包装技术服务有限公司 多层复合成型瓶盖

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60150938U (ja) * 1978-09-15 1985-10-07 メタル・クロージユアーズ・リミテツド ねじ付きキャップ
JPS63162465A (ja) * 1986-10-07 1988-07-06 エチル　モルデッド　プロダクツ　カンパニー 熱可塑性蓋部材
JPS63272671A (ja) * 1987-04-21 1988-11-10 Toyo Seikan Kaisha Ltd プラスチツクキヤツプ
JPH10203551A (ja) * 1997-01-22 1998-08-04 Kishimoto Akira 密封容器
JP2005193913A (ja) * 2003-12-26 2005-07-21 Alcoa Closure Systems Japan Ltd 合成樹脂製キャップ、閉止装置、および容器詰め飲料
US20080110851A1 (en) * 2006-10-13 2008-05-15 Owens-Illinois Closure Inc. Dual seal closure and package
JP2015009853A (ja) 2013-06-28 2015-01-19 日本クロージャー株式会社 プラスチックキャップ及びキャップ付ポリエステルボトル
WO2016151746A1 (ja) * 2015-03-24 2016-09-29 サントリーホールディングス株式会社 樹脂製容器の蓋構造

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3521195A4

Also Published As

Publication number Publication date
CN111132908A (zh) 2020-05-08
JP6956749B2 (ja) 2021-11-02
CN111132908B (zh) 2022-07-05
JPWO2019064450A1 (ja) 2020-09-10
EP3521195B1 (en) 2021-12-22
EP3521195A1 (en) 2019-08-07
EP3521195A4 (en) 2020-07-22
ES2902326T3 (es) 2022-03-28

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