WO2008024472A2 - Lightened, molded plastic closure exhibiting enhanced strength - Google Patents

Lightened, molded plastic closure exhibiting enhanced strength Download PDF

Info

Publication number
WO2008024472A2
WO2008024472A2 PCT/US2007/018743 US2007018743W WO2008024472A2 WO 2008024472 A2 WO2008024472 A2 WO 2008024472A2 US 2007018743 W US2007018743 W US 2007018743W WO 2008024472 A2 WO2008024472 A2 WO 2008024472A2
Authority
WO
WIPO (PCT)
Prior art keywords
skirt portion
molded
closure
grooves
circumferentially spaced
Prior art date
Application number
PCT/US2007/018743
Other languages
French (fr)
Other versions
WO2008024472A3 (en
Inventor
Jeff Brant
Original Assignee
Closure Systems International,Inc.
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 Closure Systems International,Inc. filed Critical Closure Systems International,Inc.
Priority to CN2007800352583A priority Critical patent/CN101535142B/en
Priority to BRPI0716574-9A priority patent/BRPI0716574A2/en
Priority to JP2009525643A priority patent/JP5693847B2/en
Priority to EP07811521A priority patent/EP2054312A4/en
Priority to AU2007287086A priority patent/AU2007287086B9/en
Priority to MX2009001916A priority patent/MX2009001916A/en
Priority to CA002661474A priority patent/CA2661474A1/en
Publication of WO2008024472A2 publication Critical patent/WO2008024472A2/en
Publication of WO2008024472A3 publication Critical patent/WO2008024472A3/en

Links

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
    • 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

Definitions

  • the present invention relates generally to plastic closures molded from polymeric material, and more particularly to a molded plastic closure, which can be sized in a relatively wide diameter, and configured to conserve use of plastic material, while exhibiting requisite closure strength.
  • Plastic closures molded from polymeric material find widespread application for use in association with containers having beverages and food products.
  • polymeric material such as polypropylene and polyethylene
  • relatively large-diameter closures which may have diameters on the order of 63 to 110 millimeters, are desirably employed.
  • closures of this nature do not include an integral tamper-indicating pilfer band or the like, but instead typically include an internally-threaded annular skirt portion which terminates in a free edge.
  • this lower skirt portion is preferably configured to exhibit sufficient strength to facilitate "stripping" of the closure from an associated internal core pin, that is, effecting removal of the closure from the core pin without resort to a collapsible core, or a relative unthreading motion of the closure.
  • the present invention provides a molded plastic closure exhibiting enhanced column strength, which facilitates efficient formation by permitting stripping from an associated core pin during molding, without resort to a relatively complex collapsible core.
  • the closure desirably requires the use of less plastic material while still exhibiting the desired strength, thus further facilitating cost-effective formation and use.
  • the present invention is directed to a molded, plastic closure exhibiting enhanced column strength, wherein a plurality of vertically-oriented, strengthening ribs are provided on an inside surface of the lower skirt portion of the closure.
  • the configuration of the strengthening ribs is formed to provide respective alignment with exterior grooves which define exterior gripping knurls on the skirt portion.
  • the closure desirably exhibits sufficient strength as to permit efficient formation by "stripping" from an associated core pin, thus facilitating efficient and cost- effective formation and use.
  • the present plastic closure includes a circular top wall portion, and an annular skirt portion depending from the skirt wall portion, with the skirt portion having an internal thread formation. The thread formation is configured for cooperative engagement with a like, external thread formation on an associated container.
  • the skirt portion defines an array of alternating, circumferentially spaced grooves and lands, which together define a plurality of circumferentially spaced, vertically extending strengthening ribs on an inside surface of the skirt portion.
  • the strengthening ribs are positioned on the inside surface of the skirt portion beneath the thread formation, with the grooves at the inside surface preferably being open at a free edge of the skirt portion.
  • the skirt portion of the closure defines a plurality of circumferentially spaced, gripping knurls on an exterior surface thereof.
  • the gripping knurls are respectively aligned with the circumferentially spaced grooves defined by the interior surface of the skirt portion.
  • the interior grooves are generally semi-cylindrical in configuration, and have a circumferential dimension greater than a circumferential dimension of each of the associated lands.
  • the skirt portion of the closure includes a relatively thick, annular bead portion at a free edge thereof.
  • the annular bead defines an annular, ejection surface at the free edge of the skirt portion, with the gripping knurls on the exterior of the skirt portion preferably extending upwardly from the annular bead.
  • FIGURE 1 is a perspective view of a molded plastic closure embodying the principles of the present invention, illustrating the interior thereof;
  • FIGURE 2 is a fragmentary, cross-sectional view of a skirt portion of the closure illustrated in FIGURE 1 ;
  • FIGURE 3 is a further fragmentary, cross-sectional view showing a circumferential portion of the skirt portion of the closure of FIGURE 1.
  • plastic closure 10 embodying the principles of the present invention.
  • plastic closure 10 can be efficiently formed from polymeric materials, such as polypropylene or polyethylene, and can be formed by injection molding or compression molding.
  • closure 10 can be configured to exhibit a relatively large diameter, such as on the order of 63 millimeter to 110 millimeters.
  • a closure keeping with the principles disclosed herein can be otherwise sized.
  • closure 10 includes a circular, top wall portion 12, and an annular skirt portion 14 depending from the top wall portion.
  • closure 10 can be provided with a suitable, separate sealing liner element (not shown).
  • Skirt portion 14 includes a helical, internal thread formation 16, which is configured for engagement with a like, external thread formation on an associated container.
  • skirt portion 14 is of a configuration which is desirably lightened, conserving plastic material, while exhibiting the requisite strength to facilitate efficient closure formation.
  • the interior surface of skirt portion 14 defines an array of alternating, circumferentially spaced grooves 18, and associated lands, which together define a plurality of circumferentially spaced strengthening ribs 20 on the inside surface of the skirt portion.
  • strengthening ribs 20 are vertically oriented, and generally parallel to a vertical axis of the closure 10.
  • each of grooves 18 has a circumferential dimension greater than a circumferential dimension of each of the associated lands separating adjacent ones of the grooves 18.
  • Each of grooves 18 preferably has a generally semi-cylindrical configuration, with each of the grooves preferably being open at a lower, free edge of skirt portion 14.
  • a molded, plastic closure exhibiting enhanced column strength comprising: a top wall portion; and an annular skirt portion depending from said top wall portion, said skirt portion defining an array of alternating, circumferentially spaced grooves and lands which together define a plurality of circumferentially spaced strengthening ribs on an inside surface of said skirt portion, to thereby enhance the column strength of said closure.
  • a molded, plastic closure in accordance with claim 1 wherein: said strengthening ribs are vertically oriented and generally parallel a vertical axis of said closure.
  • a molded, plastic closure in accordance with claim 1 wherein: said skirt portion includes an internal thread formation, said strengthening ribs extending beneath said thread formation toward a free edge of said skirt portion.
  • each of said grooves has a generally semi-cylindrical configuration.
  • each of said grooves is open at a free edge of said skirt portion.
  • each of said grooves has a circumferential dimension greater than a circumferential dimension of each of said lands.
  • a molded, plastic closure in accordance with claim 1 wherein: said skirt portion of said closure defines a plurality of circumferentially spaced gripping knurls on an exterior surface thereof.
  • a molded, plastic closure comprising: a top wall portion; and an annular skirt portion depending from said top wall portion, said skirt portion having an internal thread formation,
  • the desired column strength of the closure 10 is further enhanced by the provision of a plurality of circumferentially spaced, gripping knurls 22 provided on an exterior surface of the skirt portion.
  • the gripping knurls 22 are preferably respectively aligned with the circumferentially spaced grooves 18 defined by the interior surface of the skirt portion. This specific arrangement of the interior grooves 18, and thus strengthening ribs 20, and the exterior knurls 22 provide the desired strength characteristics in the skit portion of the closure, while providing the desired exterior gripping surface to facilitate removal and application of the closure by consumers.
  • the skirt portion 14 of closure 10 includes a relatively thick, annular bead portion 24 at a free edge of the skirt portion.
  • Bead portion 24 defines a lower ejection surface against which force can be applied for effecting "stripping" of the molded closure 10 from an associated core pin during formation.
  • exterior gripping knurls 22 preferably extend upwardly from annular bead portion 24.

Abstract

A lightened, molded plastic closure (10) exhibiting enhanced strength includes a top wall portion (12), and an internally threaded (16), depending annular skirt portion (14). The interior surface of th skirt portion, below the closure thread, defines an array of alternating grooves (18) and lands (20), which together define a plurality of circumferentially spaced, vertically extending strengthening ribs on the inside surface of the skirt portion. The skirt portion thus exhibits desirably enhanced column strength, thereby facilitating efficient formation by 'stripping' from an associated core pin during molding. In the preferred form, the exterior surface of the skirt portion is provided with a plurality of circumferentially spaced gripping knurls (22) respectively aligned with the grooves defined at the interior surface of the skirt portion.

Description

LIGHTENED, MOLDED PLASTIC CLOSURE EXHIBITING ENHANCED STRENGTH
Technical Field
[0001] The present invention relates generally to plastic closures molded from polymeric material, and more particularly to a molded plastic closure, which can be sized in a relatively wide diameter, and configured to conserve use of plastic material, while exhibiting requisite closure strength.
Background Of The Invention
[0002] Plastic closures molded from polymeric material, such as polypropylene and polyethylene, find widespread application for use in association with containers having beverages and food products. For some applications, such as for containers for food products for which ready access is desirable, relatively large-diameter closures, which may have diameters on the order of 63 to 110 millimeters, are desirably employed. [0003] Typically, closures of this nature do not include an integral tamper-indicating pilfer band or the like, but instead typically include an internally-threaded annular skirt portion which terminates in a free edge. In the past, the portion of the skirt below the thread formation, which enhances the visual appeal of the closure and facilitates gripping by consumers, has been made heavier, and thus more costly, than is typically required for the closure to function as desired. However, this lower skirt portion is preferably configured to exhibit sufficient strength to facilitate "stripping" of the closure from an associated internal core pin, that is, effecting removal of the closure from the core pin without resort to a collapsible core, or a relative unthreading motion of the closure.
[0004] The present invention provides a molded plastic closure exhibiting enhanced column strength, which facilitates efficient formation by permitting stripping from an associated core pin during molding, without resort to a relatively complex collapsible core. At the same time, the closure desirably requires the use of less plastic material while still exhibiting the desired strength, thus further facilitating cost-effective formation and use.
Summary Of The Invention
[0005] The present invention is directed to a molded, plastic closure exhibiting enhanced column strength, wherein a plurality of vertically-oriented, strengthening ribs are provided on an inside surface of the lower skirt portion of the closure. In the preferred form, the configuration of the strengthening ribs is formed to provide respective alignment with exterior grooves which define exterior gripping knurls on the skirt portion. By this arrangement, the closure desirably exhibits sufficient strength as to permit efficient formation by "stripping" from an associated core pin, thus facilitating efficient and cost- effective formation and use. [0006] In accordance with the illustrated embodiment, the present plastic closure includes a circular top wall portion, and an annular skirt portion depending from the skirt wall portion, with the skirt portion having an internal thread formation. The thread formation is configured for cooperative engagement with a like, external thread formation on an associated container.
[0007] In accordance with the present invention, the skirt portion defines an array of alternating, circumferentially spaced grooves and lands, which together define a plurality of circumferentially spaced, vertically extending strengthening ribs on an inside surface of the skirt portion. The strengthening ribs are positioned on the inside surface of the skirt portion beneath the thread formation, with the grooves at the inside surface preferably being open at a free edge of the skirt portion.
[0008] In the preferred form, the skirt portion of the closure defines a plurality of circumferentially spaced, gripping knurls on an exterior surface thereof. Notably, the gripping knurls are respectively aligned with the circumferentially spaced grooves defined by the interior surface of the skirt portion. By this arrangement of the exterior knurls, and strengthening ribs defined by the interior grooves, the column strength of the skirt portion of the closure is desirably enhanced, facilitating efficient molding by permitting "stripping" of the closure form an associated core pin.
[0009] In accordance with the illustrated embodiment, the interior grooves are generally semi-cylindrical in configuration, and have a circumferential dimension greater than a circumferential dimension of each of the associated lands.
[0010] In the illustrated embodiment, the skirt portion of the closure includes a relatively thick, annular bead portion at a free edge thereof. The annular bead defines an annular, ejection surface at the free edge of the skirt portion, with the gripping knurls on the exterior of the skirt portion preferably extending upwardly from the annular bead. [0011] Other features and advantages of the present invention will become readily apparent from the following detailed description, the accompanying drawings, and the appended claims.
Brief Description Of The Drawings
[0012] FIGURE 1 is a perspective view of a molded plastic closure embodying the principles of the present invention, illustrating the interior thereof;
[0013] FIGURE 2 is a fragmentary, cross-sectional view of a skirt portion of the closure illustrated in FIGURE 1 ; and
[0014] FIGURE 3 is a further fragmentary, cross-sectional view showing a circumferential portion of the skirt portion of the closure of FIGURE 1. Detailed Description
[0015] While the present invention is susceptible of embodiment in various forms, there is shown in the drawings, and will hereinafter be described, a presently preferred embodiment, with the understanding that the present disclosure is to be considered as an exemplification of the invention, and is not intended to limit the invention to the specific embodiment illustrated.
[0016] With reference to the drawings, therein is illustrated a molded plastic closure 10 embodying the principles of the present invention. As will be known by those skilled in the art, plastic closure 10 can be efficiently formed from polymeric materials, such as polypropylene or polyethylene, and can be formed by injection molding or compression molding. Notably, closure 10 can be configured to exhibit a relatively large diameter, such as on the order of 63 millimeter to 110 millimeters. However, a closure keeping with the principles disclosed herein can be otherwise sized.
[0017] To facilitate the desired closing of an associated container, closure 10 includes a circular, top wall portion 12, and an annular skirt portion 14 depending from the top wall portion. For some applications, closure 10 can be provided with a suitable, separate sealing liner element (not shown).
[0018] Skirt portion 14 includes a helical, internal thread formation 16, which is configured for engagement with a like, external thread formation on an associated container. By this arrangement, relative rotational movement of the closure with respect to the container effects application and removal.
[0019] In accordance with the present invention, skirt portion 14 is of a configuration which is desirably lightened, conserving plastic material, while exhibiting the requisite strength to facilitate efficient closure formation. To this end, the interior surface of skirt portion 14 defines an array of alternating, circumferentially spaced grooves 18, and associated lands, which together define a plurality of circumferentially spaced strengthening ribs 20 on the inside surface of the skirt portion. In accordance with the preferred form, strengthening ribs 20 are vertically oriented, and generally parallel to a vertical axis of the closure 10.
[0020] In accordance with a presently preferred form, each of grooves 18 has a circumferential dimension greater than a circumferential dimension of each of the associated lands separating adjacent ones of the grooves 18. Each of grooves 18 preferably has a generally semi-cylindrical configuration, with each of the grooves preferably being open at a lower, free edge of skirt portion 14. WHAT IS CLMMED IS:
1. A molded, plastic closure exhibiting enhanced column strength, comprising: a top wall portion; and an annular skirt portion depending from said top wall portion, said skirt portion defining an array of alternating, circumferentially spaced grooves and lands which together define a plurality of circumferentially spaced strengthening ribs on an inside surface of said skirt portion, to thereby enhance the column strength of said closure.
2. A molded, plastic closure in accordance with claim 1 , wherein: said strengthening ribs are vertically oriented and generally parallel a vertical axis of said closure.
3. A molded, plastic closure in accordance with claim 1 , wherein: said skirt portion includes an internal thread formation, said strengthening ribs extending beneath said thread formation toward a free edge of said skirt portion.
4. A molded, plastic closure in accordance with claim 1 , wherein: each of said grooves has a generally semi-cylindrical configuration.
5. A molded, plastic closure in accordance with claim 1 , wherein: each of said grooves is open at a free edge of said skirt portion.
6. A molded, plastic closure in accordance with claim 1 , wherein: each of said grooves has a circumferential dimension greater than a circumferential dimension of each of said lands.
7. A molded, plastic closure in accordance with claim 1 , wherein: said skirt portion of said closure defines a plurality of circumferentially spaced gripping knurls on an exterior surface thereof.
8. A molded, plastic closure in accordance with claim 7, wherein said gripping knurls are respectively aligned with said circumferentially spaced grooves defined by the interior surface of said skirt portion.
9. A molded, plastic closure in accordance with claim 7, wherein: said skirt portion includes a relatively thick, annular bead portion at a free edge thereof, said gripping knurls extending upwardly from said annular bead portion.
10. A molded, plastic closure, comprising: a top wall portion; and an annular skirt portion depending from said top wall portion, said skirt portion having an internal thread formation,
- 5 - [0021] The desired column strength of the closure 10 is further enhanced by the provision of a plurality of circumferentially spaced, gripping knurls 22 provided on an exterior surface of the skirt portion. As illustrated in FIGURE 3, the gripping knurls 22 are preferably respectively aligned with the circumferentially spaced grooves 18 defined by the interior surface of the skirt portion. This specific arrangement of the interior grooves 18, and thus strengthening ribs 20, and the exterior knurls 22 provide the desired strength characteristics in the skit portion of the closure, while providing the desired exterior gripping surface to facilitate removal and application of the closure by consumers.
[0022] In the preferred form, the skirt portion 14 of closure 10 includes a relatively thick, annular bead portion 24 at a free edge of the skirt portion. Bead portion 24 defines a lower ejection surface against which force can be applied for effecting "stripping" of the molded closure 10 from an associated core pin during formation. As illustrated, exterior gripping knurls 22 preferably extend upwardly from annular bead portion 24. [0023] From the foregoing, it will be apparent that numerous modifications and variations can be effected without departing from the true spirit and scope of the novel concept of the present invention. It is to be understood that no limitation with respect to the specific embodiment illustrated herein is intended or should be inferred. The disclosure is intended to cover, by the appended claims, all such modifications as fall within the scope of the claims.
- 4 -

Claims

WHAT IS CLAIMED IS:
1. A molded, plastic closure exhibiting enhanced column strength, comprising: a top wall portion; and an annular skirt portion depending from said top wall portion, said skirt portion defining an array of alternating, circumferentially spaced grooves and lands which together define a plurality of circumferentially spaced strengthening ribs on an inside surface of said skirt portion, to thereby enhance the column strength of said closure.
2. A molded, plastic closure in accordance with claim 1 , wherein: said strengthening ribs are vertically oriented and generally parallel a vertical axis of said closure.
3. A molded, plastic closure in accordance with claim 1 , wherein: said skirt portion includes an internal thread formation, said strengthening ribs extending beneath said thread formation toward a free edge of said skirt portion.
4. A molded, plastic closure in accordance with claim 1 , wherein: each of said grooves has a generally semi-cylindrical configuration.
5. A molded, plastic closure in accordance with claim 1 , wherein: each of said grooves is open at a free edge of said skirt portion. .
6. A molded, plastic closure in accordance with claim 1 , wherein: each of said grooves has a circumferential dimension greater than a circumferential dimension of each of said lands.
7. A molded, plastic closure in accordance with claim 1 , wherein: said skirt portion of said closure defines a plurality of circumferentially spaced gripping knurls on an exterior surface thereof.
8. A molded, plastic closure in accordance with claim 7, wherein said gripping knurls are respectively aligned with said circumferentially spaced grooves defined by the interior surface of said skirt portion.
9. A molded, plastic closure in accordance with claim 7, wherein: said skirt portion includes a relatively thick, annular bead portion at a free edge thereof, said gripping knurls extending upwardly from said annular bead portion.
10. A molded, plastic closure, comprising: a top wall portion; and an annular skirt portion depending from said top wall portion, said skirt portion having an internal thread formation,
- 5 - said skirt portion defining an array of alternating, circumferentially spaced grooves and lands which together define a plurality of circumferentially spaced, vertically extending, strengthening ribs on an inside surface of said skirt portion beneath said thread formation, each of said grooves being open at a free edge of said skirt portion, said skirt portion of said closure defining a plurality of circumferentially spaced gripping knurls on an exterior surface thereof, said gripping knurls being respectively aligned with said circumferentially spaced grooves defined by the interior surface of said skirt portion.
11. A molded, plastic closure in accordance with claim 10, wherein: each of said grooves has a circumferential dimension greater than a circumferential dimension of each of said lands.
12. A molded, plastic closure in accordance with claim 10, wherein: each of said grooves is open at a free edge of said skirt portion, said skirt portion including a relatively thick, annular bead portion at a free edge thereof, said gripping knurls extending upwardly from said annular bead portion.
- 6 - said skirt portion defining an array of alternating, circumferentially spaced grooves and lands which together define a plurality of circumferentially spaced, vertically extending, strengthening ribs on an inside surface of said skirt portion beneath said thread formation, each of said grooves being open at a free edge of said skirt portion, said skirt portion of said closure defining a plurality of circumferentially spaced gripping knurls on an exterior surface thereof, said gripping knurls being respectively aligned with said circumferentially spaced grooves defined by the interior surface of said skirt portion.
11. A molded, plastic closure in accordance with claim 10, wherein: each of said grooves has a circumferential dimension greater than a circumferential dimension of each of said lands.
12. A molded, plastic closure in accordance with claim 10, wherein: each of said grooves is open at a free edge of said skirt portion, said skirt portion including a relatively thick, annular bead portion at a free edge thereof, said gripping knurls extending upwardly from said annular bead portion.
- 6 -
PCT/US2007/018743 2006-08-24 2007-08-24 Lightened, molded plastic closure exhibiting enhanced strength WO2008024472A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CN2007800352583A CN101535142B (en) 2006-08-24 2007-08-24 Lightened, molded plastic closure exhibiting enhanced strength
BRPI0716574-9A BRPI0716574A2 (en) 2006-08-24 2007-08-24 LOW WEIGHT MOLDED PLASTIC COVER DISPLAYING IMPROVED RESISTANCE
JP2009525643A JP5693847B2 (en) 2006-08-24 2007-08-24 Molded lightweight plastic lid showing high strength
EP07811521A EP2054312A4 (en) 2006-08-24 2007-08-24 Lightened, molded plastic closure exhibiting enhanced strength
AU2007287086A AU2007287086B9 (en) 2006-08-24 2007-08-24 Lightened, molded plastic closure exhibiting enhanced strength
MX2009001916A MX2009001916A (en) 2006-08-24 2007-08-24 Lightened, molded plastic closure exhibiting enhanced strength.
CA002661474A CA2661474A1 (en) 2006-08-24 2007-08-24 Lightened, molded plastic closure exhibiting enhanced strength

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/509,523 2006-08-24
US11/509,523 US7556163B2 (en) 2006-08-24 2006-08-24 Lightened, molded plastic closure exhibiting enhanced strength

Publications (2)

Publication Number Publication Date
WO2008024472A2 true WO2008024472A2 (en) 2008-02-28
WO2008024472A3 WO2008024472A3 (en) 2008-08-07

Family

ID=39107435

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/018743 WO2008024472A2 (en) 2006-08-24 2007-08-24 Lightened, molded plastic closure exhibiting enhanced strength

Country Status (11)

Country Link
US (1) US7556163B2 (en)
EP (1) EP2054312A4 (en)
JP (1) JP5693847B2 (en)
KR (1) KR101478370B1 (en)
CN (1) CN101535142B (en)
AU (1) AU2007287086B9 (en)
BR (1) BRPI0716574A2 (en)
CA (1) CA2661474A1 (en)
MX (1) MX2009001916A (en)
RU (1) RU2437814C2 (en)
WO (1) WO2008024472A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100200532A1 (en) * 2009-02-10 2010-08-12 Phoenix Closures, Inc. Low weight container closure
USD666495S1 (en) * 2010-11-15 2012-09-04 Drug Plastics & Glass Company, Inc. Dosage cap
HUE038299T2 (en) * 2011-06-14 2018-10-29 Closure Systems Int Inc Closure
USD749948S1 (en) * 2014-03-19 2016-02-23 Conopco, Inc. Lid
US20160332783A1 (en) * 2015-05-11 2016-11-17 Silgan White Cap LLC Lightweight Closure with Tamper Band
USD775726S1 (en) * 2015-09-01 2017-01-03 PRG Technologies, Inc. Toxicology cup lid
USD996967S1 (en) 2021-05-17 2023-08-29 Closure Systems International Inc. Closure
USD996968S1 (en) 2021-05-17 2023-08-29 Closure Systems International Inc. Closure
US20230055070A1 (en) * 2021-08-19 2023-02-23 Closure Systems International Inc. One-piece closure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3233806A1 (en) 1982-09-11 1984-03-15 Hans 8801 Schillingsfürst Heinlein Closure cap, preferably with tamper-proof safeguard
US4497765A (en) 1979-09-21 1985-02-05 H-C Industries, Inc. Process for making a closure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597830A (en) * 1946-11-07 1952-05-20 Metal Closures Ltd Method of applying thermoplastic closures to bottles and other containers
US4317526A (en) * 1980-08-29 1982-03-02 Gernot Plitz Safety closure cap
DE3233086A1 (en) * 1982-09-07 1984-03-08 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING POLYURETHANE ELASTOMERS USING DIOLES OF THE DIANHYDRO-HEXIT SERIES IN CONNECTION WITH POLYOXYALKYLENE-POLYDIALKYLSILOXANE COPOLYMERS
JPS6084546U (en) * 1983-11-16 1985-06-11 長島　広久 Opening/closing lid device
CN1270940C (en) * 2000-03-16 2006-08-23 皮奇尼塑料包装公司 Molded closure with flex areas and method for making same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4497765A (en) 1979-09-21 1985-02-05 H-C Industries, Inc. Process for making a closure
DE3233806A1 (en) 1982-09-11 1984-03-15 Hans 8801 Schillingsfürst Heinlein Closure cap, preferably with tamper-proof safeguard

Also Published As

Publication number Publication date
AU2007287086B2 (en) 2012-09-27
AU2007287086B9 (en) 2013-02-21
US7556163B2 (en) 2009-07-07
AU2007287086A1 (en) 2008-02-28
EP2054312A4 (en) 2012-05-30
WO2008024472A3 (en) 2008-08-07
MX2009001916A (en) 2009-06-23
KR20090055589A (en) 2009-06-02
JP5693847B2 (en) 2015-04-01
CN101535142A (en) 2009-09-16
EP2054312A2 (en) 2009-05-06
JP2010501426A (en) 2010-01-21
CA2661474A1 (en) 2008-02-28
US20080073313A1 (en) 2008-03-27
RU2009110487A (en) 2010-09-27
RU2437814C2 (en) 2011-12-27
CN101535142B (en) 2011-08-03
KR101478370B1 (en) 2014-12-31
BRPI0716574A2 (en) 2013-10-15

Similar Documents

Publication Publication Date Title
US7556163B2 (en) Lightened, molded plastic closure exhibiting enhanced strength
JP3378005B2 (en) Lid for tamper evident
AU2012271673B2 (en) Closure having improved performance
EP3303165B1 (en) Tamper-evident closure
EP2917122B1 (en) Container, closure, and package
US20060186079A1 (en) Screw on dispensing closure with structure for preventing removal
US20100200532A1 (en) Low weight container closure
US6102227A (en) Snap-on cap with twist on/off reclosure lid
AU2012271673A1 (en) Closure having improved performance
WO2004046013A2 (en) Self-adjusting re-sealable spring center seal closure
EP2197758A1 (en) Threaded closure with internal ribs
US5853097A (en) Ribbed container closure
US7784251B2 (en) Crown-like twist-off closure
EP3152122B1 (en) A closure for a container with a tamper indicating band
WO2000056615A1 (en) Container closure
EP3253548B1 (en) An injection moulding method of forming a closure
US20150367998A1 (en) Two stage flip cap closure
US20060151423A1 (en) Closure having tapered sealing plug
AU668197B2 (en) Tamper evident closure
JP7353097B2 (en) Safety caps and capped container units
US20230166893A1 (en) Package, container, closure assembly, and closure components
CA1117478A (en) Closure cap
WO1988009719A1 (en) Closure cap with seal and method of and apparatus for forming such closure and seal
AU4734000A (en) Bottle closure

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200780035258.3

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07811521

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 2007287086

Country of ref document: AU

WWE Wipo information: entry into national phase

Ref document number: 2007811521

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 983/CHENP/2009

Country of ref document: IN

Ref document number: MX/A/2009/001916

Country of ref document: MX

WWE Wipo information: entry into national phase

Ref document number: 2661474

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 2009525643

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2007287086

Country of ref document: AU

Date of ref document: 20070824

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 1020097005910

Country of ref document: KR

ENP Entry into the national phase

Ref document number: 2009110487

Country of ref document: RU

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: PI0716574

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20090225