WO2012044252A1 - An easy open crown cap and its production method - Google Patents

An easy open crown cap and its production method Download PDF

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Publication number
WO2012044252A1
WO2012044252A1 PCT/SG2011/000299 SG2011000299W WO2012044252A1 WO 2012044252 A1 WO2012044252 A1 WO 2012044252A1 SG 2011000299 W SG2011000299 W SG 2011000299W WO 2012044252 A1 WO2012044252 A1 WO 2012044252A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
incision
easy open
hemline
connecting strip
Prior art date
Application number
PCT/SG2011/000299
Other languages
French (fr)
Inventor
Yisheng Wang
Original Assignee
Jingxin Trade & Investment Llp
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 Jingxin Trade & Investment Llp filed Critical Jingxin Trade & Investment Llp
Publication of WO2012044252A1 publication Critical patent/WO2012044252A1/en

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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
    • 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
    • B65D51/1644—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 the element being a valve
    • B65D51/165—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 the element being a valve formed by a slit or narrow opening
    • 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
    • B65D41/40—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts
    • B65D41/42—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts made of relatively-stiff metallic material, e.g. crown caps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Definitions

  • the present invention relates to an easy open crown cap applicable to glass bottles for external packing of wines and beverages, as well as its production method.
  • One of the technical matters to be solved in the present invention is to provide an easy open crown cap, which is easy to open, can improve the recycling rate of glass bottles and reduce the risks of glass bottle explosion after sealing.
  • An easy open crown cap is composed of a top and a side, and a connecting strip with a handle is extended from the hemline on the side of the cap.
  • the first longitudinal incision and the second longitudinal incision are symmetrically established on both sides of the said connecting strip on the side of the cap.
  • the said first incision and second incision are located between the top of the cap and the hemline on the side of the cap.
  • the said first incision and second incision are 3 ⁇ 6 mm long, distance from the said first incision to the hemline on the side of the cap and that from the second incision to the hemline on the side of the cap are 0.4 - 2 mm.
  • the said handle is a tab (3).
  • a circular cavity is established at the top center of the said cap, and its shape is fit for the said tab.
  • the said connecting strip is rectangular and is 5-8mm wide.
  • Another technical problem to be solved in the present invention is to provide a method for producing the easy open crown cap, which can improve the productivity effect, guarantee the quality of crown caps and easiness of opening crown caps, and reduce the risks of glass bottle explosion after sealing.
  • a method for producing the easy open crown cap mainly comprises the processes of coating, cutting, cap making and lining.
  • the easy open crown cap is composed of a top and a side, and a connecting strip with a handle is extended from the hemline on the side of the cap.
  • the first longitudinal incision and the second longitudinal incision are symmetrically established on both sides of the said connecting strip on the side of the cap.
  • the said first incision and second incision are located between the top of the cap and the hemline on the side of the cap.
  • the said cap making process comprises the following steps: a) producing the tab and connecting strip on a flitch, b) stamping two symmetrical longitudinal incisions, c) folding the tab and connecting strip together, d) making the easy open crown cap using a cap mold.
  • a working procedure "making the circular cavity” is added between steps b and c, and the said tab in step c is folded within the circular cavity.
  • An easy open crown cap and its production method in the present invention use such a manner that the crown cap can be easily opened by pulling the tab with your finger, and the crown cap is subjected to a force at the incisions, which can avoid bruising the bottle mouth when the crown cap is opened, and improve the recycling rate of glass bottles. Due to the existence of incisions on the side of the cap, when the pressure sealed within a glass bottle is overhigh because of external factors, the incisions on the side of the cap will be swelling up, which results in air leak, and reduces the risks of glass bottle explosion after sealing.
  • the incisions are located between the top of the cap and the hemline on the side of the cap, and there is a distance between either incision and the hemline on the side of the cap, which is suitable for production in an automated production line, can avoid the phenomenon of twisted insertion between crown caps caused by existing incisions during production in a production line, guarantee the product quality and enhance the productivity effect.
  • Figure 1 is the vertical view of the easy open crown cap in the present invention
  • Figure 2 is the sectional view A-A shown in Figure 1 ;
  • Figure 3 is the structural diagram of unfolded tab of the easy open crown cap shown in Figure 1 ;
  • Figure 4 is the local structural diagram of the flitch before the easy open crown cap is produced with the cap mold
  • the easy open crown cap body 4 is composed of a top and a side. There is a circular cavity 5 at the top center of the cap, and a connecting strip 1 with a handle is extended from the hemline 7 on the side of the cap.
  • the first longitudinal incision 2 and the second longitudinal incision 6 are symmetrically established on both sides of the connecting strip 1 on the side of the cap.
  • the first incision 2 and second incision 6 are located between the top of the cap and the hemline 7 on the side of the cap, and are 3 - 6 mm long, distance from the first incision 2 to the hemline on the side of the cap and that from the second incision 6 to the hemline 7 on the side of the cap are 0.4 - 2 mm.
  • the distance depends on the material of the crown cap, and a small distance is selected for hard material, and vice versa.
  • the connecting strip 1 is rectangular and is 5 ⁇ 8 mm wide, the end of which is an integrated tab 3, namely the handle.
  • Inner diameter of the tab 3 is 12 mm, which is a ring structure flanged to smooth transition for both inner and outer diameter, so as to eliminate scratching your finger by burrs of the ring when you reach your finger into the ring.
  • the connecting strip 1 clings to the side of the cap, and shape of the circular cavity 5 is fit for the tab 3, which is placed within the cavity 5 of the cap.
  • the connecting strip 1 clings to the side of the cap, and the tab 3 is basically in the same plane as the top of the cap, therefore, the cap can be smoothly filled and piled, which is applicable to the sealing line of wines and beverages.
  • the method for producing the easy open crown cap mainly comprises the processes of coating, cutting, cap making and lining, as shown in Figure 4. Steps of the cap making process are as follows: a) producing the tab 3 and the connecting strip 1 on a flitch 10, which is punched and flanged to make into the tab 3 and form the connecting strip 1 ; b) stamping two symmetrical longitudinal incisions; stamping the first incision 2 and second incisions 6 within the bumping profile 9 of the cap, diameter of which is 38 mm according to the national standard of crown caps (GB/T13521-92). The first incision 2 and second incision 6 are 3-6 mm long and along the normal direction of the bumping profile 9 of the cap.
  • An easy open crown cap and its production method in the present invention use such a manner that in the moment of sealing the bottle, two incisions on the side of the cap are subjected to a force, and the distance between either incision and the hemline on the side of the cap will be reduced or disappeared, so as to easily open the crown cap. Due to the existence of two incisions on the side of the cap, when the pressure sealed within a glass bottle is overhigh because of external factors, two incisions on the side of the cap will be swelling up, which results in air leak, and reduces the risks of glass bottle explosion after sealing.
  • Two incisions are located between the top of the cap and the hemline on the side of the cap, and there is a distance between either incision and the hemline on the side of the cap, which is suitable for production in an automated production line, can avoid the phenomenon of twisted insertion between crown caps caused by existing incisions during production in a production line, guarantee the product quality and enhance the productivity effect.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

The present invention discloses an easy open crown cap and its production method. It is composed of a top and a side, and a connecting strip with a handle is extended from the hemline on its side. The first longitudinal incision and the second longitudinal incision are symmetrically established on both sides of the said connecting strip on its side. The said first incision and second incision are located between its top and the hemline on its side. An easy open crown cap and its production method in the present invention use such a manner that the crown cap can be easily opened, which can avoid bruising the bottle mouth when it is opened, and improve the recycling rate of glass bottles. Due to the existence of incisions on the side of the cap, when the pressure sealed within a glass bottle is overhigh because of external factors, the incisions on the side of the cap will be swelling up, which results in air leak, reduces the risks of glass bottle explosion after sealing, can avoid the phenomenon of twisted insertion between crown caps caused by existing incisions during production in a production line, guarantee the product quality and enhance the productivity effect.

Description

An Easy Open Crown Cap and Its Production Method Technical field
The present invention relates to an easy open crown cap applicable to glass bottles for external packing of wines and beverages, as well as its production method.
Background technique
At present, on the market, all glass bottles to hold wines and beverages use crown caps, which need to be opened with an open tool, and have inconvenienced consumers. To solve this problem, a method is used by riveting a tab on the cap with two presnicked incisings. For instance, a Chinese invention patent with the publication No. of CN1404940A discloses a "method for producing an easy open bottle cap". Disadvantages of such caps lie in that: It is difficult to maintain the same depth of incising, and to guarantee the same sealing quality and easy opening. With the improvement of packaging standard and the demand for easy opening, crown caps with other structures also appear, but there always exists the phenomenon of bottle mouth bruise during opening and the risk of glass bottle explosion after sealing.
Disclosure of the invention
One of the technical matters to be solved in the present invention is to provide an easy open crown cap, which is easy to open, can improve the recycling rate of glass bottles and reduce the risks of glass bottle explosion after sealing.
To solve this technical problem, technical scheme of the present invention is that: An easy open crown cap is composed of a top and a side, and a connecting strip with a handle is extended from the hemline on the side of the cap. The first longitudinal incision and the second longitudinal incision are symmetrically established on both sides of the said connecting strip on the side of the cap. The said first incision and second incision are located between the top of the cap and the hemline on the side of the cap.
The said first incision and second incision are 3~6 mm long, distance from the said first incision to the hemline on the side of the cap and that from the second incision to the hemline on the side of the cap are 0.4 - 2 mm. The said handle is a tab (3).
A circular cavity is established at the top center of the said cap, and its shape is fit for the said tab.
The said connecting strip is rectangular and is 5-8mm wide.
Another technical problem to be solved in the present invention is to provide a method for producing the easy open crown cap, which can improve the productivity effect, guarantee the quality of crown caps and easiness of opening crown caps, and reduce the risks of glass bottle explosion after sealing.
In order to solve this technical problem, technical scheme of the present invention is that: A method for producing the easy open crown cap mainly comprises the processes of coating, cutting, cap making and lining. The easy open crown cap is composed of a top and a side, and a connecting strip with a handle is extended from the hemline on the side of the cap. The first longitudinal incision and the second longitudinal incision are symmetrically established on both sides of the said connecting strip on the side of the cap. The said first incision and second incision are located between the top of the cap and the hemline on the side of the cap. The said cap making process comprises the following steps: a) producing the tab and connecting strip on a flitch, b) stamping two symmetrical longitudinal incisions, c) folding the tab and connecting strip together, d) making the easy open crown cap using a cap mold.
A working procedure "making the circular cavity" is added between steps b and c, and the said tab in step c is folded within the circular cavity.
An easy open crown cap and its production method in the present invention use such a manner that the crown cap can be easily opened by pulling the tab with your finger, and the crown cap is subjected to a force at the incisions, which can avoid bruising the bottle mouth when the crown cap is opened, and improve the recycling rate of glass bottles. Due to the existence of incisions on the side of the cap, when the pressure sealed within a glass bottle is overhigh because of external factors, the incisions on the side of the cap will be swelling up, which results in air leak, and reduces the risks of glass bottle explosion after sealing. The incisions are located between the top of the cap and the hemline on the side of the cap, and there is a distance between either incision and the hemline on the side of the cap, which is suitable for production in an automated production line, can avoid the phenomenon of twisted insertion between crown caps caused by existing incisions during production in a production line, guarantee the product quality and enhance the productivity effect.
Brief description of the drawings
An easy open crown cap and its production method in the present invention are further illustrated in detail as follows combining with the drawings and implementation details;
Figure 1 is the vertical view of the easy open crown cap in the present invention;
Figure 2 is the sectional view A-A shown in Figure 1 ;
Figure 3 is the structural diagram of unfolded tab of the easy open crown cap shown in Figure 1 ;
Figure 4 is the local structural diagram of the flitch before the easy open crown cap is produced with the cap mold;
In Figures 1-4, 1. Connecting strip; 2. The first incision; 3. Tab; 4. Cap body; 5. Cavity; 6. The second incision; 7. Hemline on the side of the cap; 8. Vacancy; 9. Bumping profile of the cap; 10. Flitch.
Implementation details
As shown in Figures 1-3, the easy open crown cap body 4 is composed of a top and a side. There is a circular cavity 5 at the top center of the cap, and a connecting strip 1 with a handle is extended from the hemline 7 on the side of the cap. The first longitudinal incision 2 and the second longitudinal incision 6 are symmetrically established on both sides of the connecting strip 1 on the side of the cap. The first incision 2 and second incision 6 are located between the top of the cap and the hemline 7 on the side of the cap, and are 3 - 6 mm long, distance from the first incision 2 to the hemline on the side of the cap and that from the second incision 6 to the hemline 7 on the side of the cap are 0.4 - 2 mm. The distance depends on the material of the crown cap, and a small distance is selected for hard material, and vice versa. The connecting strip 1 is rectangular and is 5 ~ 8 mm wide, the end of which is an integrated tab 3, namely the handle. Inner diameter of the tab 3 is 12 mm, which is a ring structure flanged to smooth transition for both inner and outer diameter, so as to eliminate scratching your finger by burrs of the ring when you reach your finger into the ring. Under sealing conditions, the connecting strip 1 clings to the side of the cap, and shape of the circular cavity 5 is fit for the tab 3, which is placed within the cavity 5 of the cap. The connecting strip 1 clings to the side of the cap, and the tab 3 is basically in the same plane as the top of the cap, therefore, the cap can be smoothly filled and piled, which is applicable to the sealing line of wines and beverages.
The method for producing the easy open crown cap mainly comprises the processes of coating, cutting, cap making and lining, as shown in Figure 4. Steps of the cap making process are as follows: a) producing the tab 3 and the connecting strip 1 on a flitch 10, which is punched and flanged to make into the tab 3 and form the connecting strip 1 ; b) stamping two symmetrical longitudinal incisions; stamping the first incision 2 and second incisions 6 within the bumping profile 9 of the cap, diameter of which is 38 mm according to the national standard of crown caps (GB/T13521-92). The first incision 2 and second incision 6 are 3-6 mm long and along the normal direction of the bumping profile 9 of the cap. Distance from the first incision 2 to the bumping profile 9 of the cap and that from the second incision 6 to the bumping profile 9 of the cap are 0.4 ~ 2 mm: (c) making a circular cavity 5, which is located in the middle of the bumping profile 9 of the cap; d) folding the tab 3 and connecting strip 1 together, the tab 3 is folded within the circular cavity to form a vacancy 8; e) making the easy open crown cap with a cap mold: The bumping profile 9 of the cap forms the hemline 7 on the side of the cap, the circular cavity 5 is located on the top of the cap, and the first incision 2 and second incision 6 are located between the top of the cap and the hemline 7 on the side of the cap.
An easy open crown cap and its production method in the present invention use such a manner that in the moment of sealing the bottle, two incisions on the side of the cap are subjected to a force, and the distance between either incision and the hemline on the side of the cap will be reduced or disappeared, so as to easily open the crown cap. Due to the existence of two incisions on the side of the cap, when the pressure sealed within a glass bottle is overhigh because of external factors, two incisions on the side of the cap will be swelling up, which results in air leak, and reduces the risks of glass bottle explosion after sealing. Two incisions are located between the top of the cap and the hemline on the side of the cap, and there is a distance between either incision and the hemline on the side of the cap, which is suitable for production in an automated production line, can avoid the phenomenon of twisted insertion between crown caps caused by existing incisions during production in a production line, guarantee the product quality and enhance the productivity effect.

Claims

Claims
1. An easy open crown cap composed of a top and a side, wherein, a connecting strip (1 ) with a handle is extended from the hemline (7) on the side of the cap, the first longitudinal incision (2) and the second longitudinal incision (6) are symmetrically established on both sides of the said connecting strip (1 ) on the side of the cap. The said first incision (2) and second incision (6) are located between the top of the cap and the hemline (7) on the side of the cap.
2. An easy open crown cap defined in claim 1 , is characterized: the said first incision (2) and second incision (6) are 3 - 6 mm long, distance from the said first incision (2) to the hemline (7) on the side of the cap and that from the second incision (6) to the hemline (7) on the side of the cap are 0.4 -2 mm.
3. An easy open crown cap defined in claim 1 or 2, is characterized: the said handle is a tab (3).
4. An easy open crown cap defined in claim 3, is characterized: a circular cavity (5) is established at the top center of the said cap, and its shape is fit for the said tab (3).
5. An easy open crown cap defined in claim 4, is characterized: the said connecting strip (1 ) is rectangular and is 5-8mm wide.
6. A method for producing the easy open crown cap mainly comprises the processes of coating, cutting, cap making and lining. The easy open crown cap is composed of a top and a side, a connecting strip (1 ) with a handle is extended from the hemline (7) on the side of the cap, the first longitudinal incision (2) and the second longitudinal incision (6) are symmetrically established on both sides of the said connecting strip (1 ) on the side of the said cap. The said first incision (2) and second incision (6) are located between the top of the cap and the hemline (7) on the side of the cap. Wherein, the said cap making process comprises the following steps: a) Producing the tab and connecting strip on a flitch, b) stamping two symmetrical longitudinal incisions, c) folding the tab and connecting strip together, d) making the easy open crown cap using a cap mold.
7. A method for producing the said easy open crown cap defined in claim 6, is characterized: a working procedure "making the circular cavity" is added between steps b and c, and the said tab in step c is folded within the circular cavity.
PCT/SG2011/000299 2010-09-29 2011-08-31 An easy open crown cap and its production method WO2012044252A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010500141.1 2010-09-29
CN2010105001411A CN101962103B (en) 2010-09-29 2010-09-29 Easily opened crown-shaped bottle cap and manufacturing method thereof

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Publication Number Publication Date
WO2012044252A1 true WO2012044252A1 (en) 2012-04-05

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WO (1) WO2012044252A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017165421A (en) * 2016-03-14 2017-09-21 日本クロージャー株式会社 Easy-open container lid

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202728808U (en) * 2012-07-16 2013-02-13 曾楚倩 Easy open bottle cap
CN203047735U (en) * 2012-08-01 2013-07-10 曾楚倩 Bottle cap easy to open

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Publication number Priority date Publication date Assignee Title
BR9004093A (en) * 1990-08-20 1992-03-03 Shin Chen Hsu CROWN COVER, EASY TO OPEN
CN201074070Y (en) * 2007-07-27 2008-06-18 冯明 Easy-to-draw crown-shaped bottle cap
US20100096355A1 (en) * 2008-10-21 2010-04-22 Liu Chaolu Lever type easy pull crown cap

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CN87213534U (en) * 1987-09-15 1988-06-22 林友储 Hand-pulling cap of glass bottled can
CN2257272Y (en) * 1996-03-20 1997-07-02 王艺胜 Easy to open bottle cap
CN1404940A (en) * 2001-08-16 2003-03-26 上海金利制盖有限公司 Method for ring-pull can top
CN2598908Y (en) * 2003-01-06 2004-01-14 殷伟 Top integrated ring zip-top can lid
CN201395309Y (en) * 2009-03-28 2010-02-03 王艺胜 Quick-opening bottle cap
CN201834341U (en) * 2010-09-29 2011-05-18 王艺胜 Easily-opened crown-shaped bottle cap

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Publication number Priority date Publication date Assignee Title
BR9004093A (en) * 1990-08-20 1992-03-03 Shin Chen Hsu CROWN COVER, EASY TO OPEN
CN201074070Y (en) * 2007-07-27 2008-06-18 冯明 Easy-to-draw crown-shaped bottle cap
US20100096355A1 (en) * 2008-10-21 2010-04-22 Liu Chaolu Lever type easy pull crown cap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017165421A (en) * 2016-03-14 2017-09-21 日本クロージャー株式会社 Easy-open container lid

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CN101962103A (en) 2011-02-02

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