US20060163192A1 - Linerless plastic closure - Google Patents
Linerless plastic closure Download PDFInfo
- Publication number
- US20060163192A1 US20060163192A1 US11/036,519 US3651905A US2006163192A1 US 20060163192 A1 US20060163192 A1 US 20060163192A1 US 3651905 A US3651905 A US 3651905A US 2006163192 A1 US2006163192 A1 US 2006163192A1
- Authority
- US
- United States
- Prior art keywords
- radius
- linerless
- inches
- top panel
- internal surface
- 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.)
- Abandoned
Links
- 229920003023 plastic Polymers 0.000 title claims abstract description 56
- 239000004033 plastic Substances 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 229920001903 high density polyethylene Polymers 0.000 claims description 7
- 239000004700 high-density polyethylene Substances 0.000 claims description 7
- 238000005336 cracking Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 5
- 235000013361 beverage Nutrition 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—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
Definitions
- This invention relates generally to closures and, more particularly, to plastic linerless closures.
- plastic linerless closures to replace conventional metal closures for such applications as hermetic and vacuum applications in the food industry and for use in packaging carbonated beverages.
- plastic linerless closures An important application of plastic linerless closures is the beverage industry, such as for packaging pressurized water. Attempts have been made to replace metal closures which are conventional in the beverage industry with a plastic linerless closure. Plastic closures are generally preferred over metal closures for a number of reasons. For example, plastic closures are considered safer than metal closures in that the possibility of the user being cut during handling the closure is eliminated. Plastic closures may be less likely to blow off from a pressurized beverage container and are able to withstand consumer mishandling to a much greater extent than are metal closures. Plastic closures may be molded, making it easy to integrate features such as ventilation and areas that are designed to frictionally engage the threading of the container finish in order to brake the closure as it is being removed from the container.
- the first generation of plastic closures typically utilized a compressible liner in order to compensate for possible roughness or unevenness on the top rim of the container finish.
- the pressure created by the torque of application would compress the liner until its surface would conform to the contour of the bottle rim to provide the desired seal.
- second-generation linerless closures have been developed featuring integral sealing gaskets that are compressed on the closure is secured to a container. These integral gaskets or sealing members are often more effective than the compressible sealing liners that were used in lined closures.
- linerless closures are generally preferred in that they are more economical in manufacture. They are also preferable to lined closures in the context of recycling.
- FIG. 1 An example of a linerless closure 10 is depicted in FIG. 1 .
- Closure 10 included a top panel 12 having an exterior upper surface and an interior lower surface, and a generally cylindrical sidewall 14 having an external surface and internal surface upon which at least one interior threaded 16 is defined.
- a thickened shoulder portion 18 is defined where the top panel 12 joins the sidewall 14 , and a linerless sealing member 20 extends radially inwardly and downwardly from the shoulder portion 18 .
- a first radius R 1 P is defined in the shoulder portion 18 between the linerless sealing member 20 and the interior surface of the top panel 12 .
- a second radius R 2 P is defined in the shoulder portion 18 between the linerless sealing member 20 and the interior surface of sidewall 14 . In this particular closure, both the first and second radii were constructed to be about 0.10 inches.
- closures such as that described with reference to FIG. 1 were found in practice to be more susceptible to stress-related damage than was desirable, which often led to small cracks developing within the closure.
- Closures fabricated from high-density polyethylene were especially susceptible to such failure, which was disappointing considering this material has substantial advantages over alternative material such as polypropylene. These advantages include better taste characteristics and superior sealing properties.
- a linerless closure that is constructed according to a first aspect of the invention includes a top panel having external and internal surfaces; a generally cylindrical sidewall that is unitary with the top panel and has a threaded internal surface; a shoulder portion defined between the internal surface of the top panel and the internal surface of the sidewall; a linerless sealing member extending radially inwardly from the shoulder portion; a first radius defined in the shoulder portion between the linerless sealing member and the internal surface of the top panel; and a second radius defined in the shoulder portion between the linerless sealing member and the internal surface of the sidewall, and wherein both the first radius and the second radius are at least 0.020 inches.
- An improved linerless plastic closure includes a top panel having external and internal surfaces; a generally cylindrical sidewall, the sidewall being unitary with the top panel and having a threaded internal surface; a shoulder portion defined between the internal surface of the top panel and the internal surface of the sidewall; a linerless sealing member extending radially inwardly from the shoulder portion; a first radius defined in the shoulder portion between the linerless sealing member and the internal surface of the top panel; and a second radius defined in the shoulder portion between the linerless sealing member and the internal surface of the sidewall, and wherein the first radius is at least 0.020 inches.
- An improved linerless plastic closure includes a top panel having external and internal surfaces; a generally cylindrical sidewall, the sidewall being unitary with the top panel and having a threaded internal surface; a shoulder portion defined between the internal surface of the top panel and the internal surface of the sidewall; a linerless sealing member extending radially inwardly from the shoulder portion; a first radius defined in the shoulder portion between the linerless sealing member and the internal surface of the top panel; and a second radius defined in the shoulder portion between the linerless sealing member and the internal surface of the sidewall, and wherein the second radius is at least 0.020 inches.
- An improved linerless plastic closure preferably includes a top panel having external and internal surfaces; a generally cylindrical sidewall that is unitary with the top panel and has a threaded internal surface; a linerless sealing member extending radially inwardly from an area that is adjacent to an area of connection between the sidewall and the top panel; a first radius defined between the linerless sealing member and the internal surface of the top panel; and a second radius defined between the linerless sealing member and the internal surface of said sidewall, and wherein the first radius is at least 0.020 inches.
- An improved linerless plastic closure preferably includes a top panel having external and internal surfaces; a generally cylindrical sidewall that is unitary with the top panel and has a threaded internal surface; a linerless sealing member extending radially inwardly from an area that is adjacent to an area of connection between the sidewall and the top panel; a first radius defined between the linerless sealing member and the internal surface of the top panel; and a second radius defined between the linerless sealing member and the internal surface of said sidewall, and wherein the second radius is at least 0.020 inches.
- FIG. 1 is a diagrammatical cross-sectional view of a conventional linerless plastic closure
- FIG. 2 is a diagrammatical cross-sectional view of a linerless plastic closure that is constructed according to a preferred embodiment of the invention.
- an improved linerless plastic closure 30 that is constructed according to a preferred embodiment of the invention includes a top panel 32 having an upper external surface 34 and a lower, internal surface 36 .
- Top panel 32 is unitary with a downwardly depending generally cylindrical sidewall 38 that has an exterior surface 40 and internal surface 42 that has at least one thread 44 defined thereon for engaging with an external threaded surface of the finish portion of a container.
- Closure 30 is preferably fabricated from high-density polyethylene, which provides taste advantages and advantages in sealing properties with respect to alternative materials such as polypropylene.
- a thickened shoulder region 46 is defined proximate the area where sidewall 38 joins top panel 32 .
- Shoulder region 46 is preferably thicker in a radial direction than an average thickness of sidewall 38 , and is also preferably thicker in a longitudinal, axial direction than an average thickness of top panel 32 .
- Extending radially inwardly and slightly downwardly from shoulder portion 46 is a flexible linerless sealing member 48 .
- the interior surface of shoulder portion 46 and flexible linerless sealing member 48 are preferably constructed so that they extend in annular fashion so as to have a regular cross-section throughout the entire axis of rotation of the closure 30 .
- An annular pressure rim 50 is preferably defined on the internal surface 36 of the top panel 32 to aid in sealing when the closure 30 is securely mounted upon a container.
- a first radius R 1 is defined in an internal surface of the shoulder region 46 between the linerless sealing member 48 and the internal surface 36 of top panel 32 .
- First radius R 1 intersects the internal surface 36 of the top panel 32 , as is shown in FIG. 2 .
- First radius R 1 is preferably at least 0.020 inches, and is preferably within a range of about 0.020 inches to about 0.036 inches. More preferably, first radius R 1 is within a range of about 0.023 inches to about 0.030 inches.
- a second radius R 2 is also advantageously defined in the internal surface of the shoulder region 46 between the linerless sealing member 48 and the internal surface 42 of the sidewall 38 .
- Second radius R 2 intersects the internal surface 42 of the sidewall 38 , as is shown in FIG. 2 .
- Second radius R 2 is preferably at least 0.020 inches, and is preferably within a range of about 0.020 inches to about 0.036 inches. More preferably, second radius R 2 is within a range of about 0.023 inches to about 0.030 inches.
- the first and second radii R 1 , R 2 may be although not necessarily are substantially the same dimension.
- Closure 30 has been found to exhibit significantly improved resistance to stress-related cracking with respect to the conventional closure structure that is discussed above with reference to FIG. 1 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
- 1. Field of the Invention
- This invention relates generally to closures and, more particularly, to plastic linerless closures.
- 2. Description of the Related Technology
- Over the past few decades, the packaging industry has embraced plastic linerless closures to replace conventional metal closures for such applications as hermetic and vacuum applications in the food industry and for use in packaging carbonated beverages.
- An important application of plastic linerless closures is the beverage industry, such as for packaging pressurized water. Attempts have been made to replace metal closures which are conventional in the beverage industry with a plastic linerless closure. Plastic closures are generally preferred over metal closures for a number of reasons. For example, plastic closures are considered safer than metal closures in that the possibility of the user being cut during handling the closure is eliminated. Plastic closures may be less likely to blow off from a pressurized beverage container and are able to withstand consumer mishandling to a much greater extent than are metal closures. Plastic closures may be molded, making it easy to integrate features such as ventilation and areas that are designed to frictionally engage the threading of the container finish in order to brake the closure as it is being removed from the container.
- The first generation of plastic closures typically utilized a compressible liner in order to compensate for possible roughness or unevenness on the top rim of the container finish. The pressure created by the torque of application would compress the liner until its surface would conform to the contour of the bottle rim to provide the desired seal. More recently, however, second-generation linerless closures have been developed featuring integral sealing gaskets that are compressed on the closure is secured to a container. These integral gaskets or sealing members are often more effective than the compressible sealing liners that were used in lined closures. Moreover, linerless closures are generally preferred in that they are more economical in manufacture. They are also preferable to lined closures in the context of recycling.
- An example of a
linerless closure 10 is depicted inFIG. 1 .Closure 10 included atop panel 12 having an exterior upper surface and an interior lower surface, and a generallycylindrical sidewall 14 having an external surface and internal surface upon which at least one interior threaded 16 is defined. A thickenedshoulder portion 18 is defined where thetop panel 12 joins thesidewall 14, and alinerless sealing member 20 extends radially inwardly and downwardly from theshoulder portion 18. A first radius R1 P is defined in theshoulder portion 18 between thelinerless sealing member 20 and the interior surface of thetop panel 12. A second radius R2 P is defined in theshoulder portion 18 between thelinerless sealing member 20 and the interior surface ofsidewall 14. In this particular closure, both the first and second radii were constructed to be about 0.10 inches. - Unfortunately, closures such as that described with reference to
FIG. 1 were found in practice to be more susceptible to stress-related damage than was desirable, which often led to small cracks developing within the closure. Closures fabricated from high-density polyethylene were especially susceptible to such failure, which was disappointing considering this material has substantial advantages over alternative material such as polypropylene. These advantages include better taste characteristics and superior sealing properties. - A need clearly existed for an improved linerless closure that would provide the substantial benefits of a linerless closure but that is less likely to suffer from stress-related cracking and related degradation than was existing conventional linerless closures.
- Accordingly, it is an object of the invention to provide an improved linerless closure that delivers the substantial benefits of a linerless closure but that is less likely to suffer from stress-related cracking and related degradation than was existing conventional linerless closures.
- In order to achieve the above and other objects of the invention, a linerless closure that is constructed according to a first aspect of the invention includes a top panel having external and internal surfaces; a generally cylindrical sidewall that is unitary with the top panel and has a threaded internal surface; a shoulder portion defined between the internal surface of the top panel and the internal surface of the sidewall; a linerless sealing member extending radially inwardly from the shoulder portion; a first radius defined in the shoulder portion between the linerless sealing member and the internal surface of the top panel; and a second radius defined in the shoulder portion between the linerless sealing member and the internal surface of the sidewall, and wherein both the first radius and the second radius are at least 0.020 inches.
- An improved linerless plastic closure according to a second aspect of the invention includes a top panel having external and internal surfaces; a generally cylindrical sidewall, the sidewall being unitary with the top panel and having a threaded internal surface; a shoulder portion defined between the internal surface of the top panel and the internal surface of the sidewall; a linerless sealing member extending radially inwardly from the shoulder portion; a first radius defined in the shoulder portion between the linerless sealing member and the internal surface of the top panel; and a second radius defined in the shoulder portion between the linerless sealing member and the internal surface of the sidewall, and wherein the first radius is at least 0.020 inches.
- An improved linerless plastic closure according to a third aspect of the invention includes a top panel having external and internal surfaces; a generally cylindrical sidewall, the sidewall being unitary with the top panel and having a threaded internal surface; a shoulder portion defined between the internal surface of the top panel and the internal surface of the sidewall; a linerless sealing member extending radially inwardly from the shoulder portion; a first radius defined in the shoulder portion between the linerless sealing member and the internal surface of the top panel; and a second radius defined in the shoulder portion between the linerless sealing member and the internal surface of the sidewall, and wherein the second radius is at least 0.020 inches.
- An improved linerless plastic closure according to a fourth aspect of the invention preferably includes a top panel having external and internal surfaces; a generally cylindrical sidewall that is unitary with the top panel and has a threaded internal surface; a linerless sealing member extending radially inwardly from an area that is adjacent to an area of connection between the sidewall and the top panel; a first radius defined between the linerless sealing member and the internal surface of the top panel; and a second radius defined between the linerless sealing member and the internal surface of said sidewall, and wherein the first radius is at least 0.020 inches.
- An improved linerless plastic closure according to a fifth aspect of the invention preferably includes a top panel having external and internal surfaces; a generally cylindrical sidewall that is unitary with the top panel and has a threaded internal surface; a linerless sealing member extending radially inwardly from an area that is adjacent to an area of connection between the sidewall and the top panel; a first radius defined between the linerless sealing member and the internal surface of the top panel; and a second radius defined between the linerless sealing member and the internal surface of said sidewall, and wherein the second radius is at least 0.020 inches.
- These and various other advantages and features of novelty that characterize the invention are pointed out with particularity in the claims annexed hereto and forming a part hereof. However, for a better understanding of the invention, its advantages, and the objects obtained by its use, reference should be made to the drawings which form a further part hereof, and to the accompanying descriptive matter, in which there is illustrated and described a preferred embodiment of the invention.
-
FIG. 1 is a diagrammatical cross-sectional view of a conventional linerless plastic closure; and -
FIG. 2 is a diagrammatical cross-sectional view of a linerless plastic closure that is constructed according to a preferred embodiment of the invention. - Referring now to the drawings, wherein like reference numerals designate corresponding structure throughout the views, and referring in particular to
FIG. 2 , an improved linerlessplastic closure 30 that is constructed according to a preferred embodiment of the invention includes atop panel 32 having an upperexternal surface 34 and a lower,internal surface 36.Top panel 32 is unitary with a downwardly depending generallycylindrical sidewall 38 that has anexterior surface 40 andinternal surface 42 that has at least onethread 44 defined thereon for engaging with an external threaded surface of the finish portion of a container. - Closure 30 is preferably fabricated from high-density polyethylene, which provides taste advantages and advantages in sealing properties with respect to alternative materials such as polypropylene.
- A thickened
shoulder region 46 is defined proximate the area wheresidewall 38 joinstop panel 32.Shoulder region 46 is preferably thicker in a radial direction than an average thickness ofsidewall 38, and is also preferably thicker in a longitudinal, axial direction than an average thickness oftop panel 32. Extending radially inwardly and slightly downwardly fromshoulder portion 46 is a flexiblelinerless sealing member 48. The interior surface ofshoulder portion 46 and flexiblelinerless sealing member 48 are preferably constructed so that they extend in annular fashion so as to have a regular cross-section throughout the entire axis of rotation of theclosure 30. - An
annular pressure rim 50 is preferably defined on theinternal surface 36 of thetop panel 32 to aid in sealing when theclosure 30 is securely mounted upon a container. - According to one advantageous aspect of the invention, a first radius R1 is defined in an internal surface of the
shoulder region 46 between thelinerless sealing member 48 and theinternal surface 36 oftop panel 32. First radius R1 intersects theinternal surface 36 of thetop panel 32, as is shown inFIG. 2 . First radius R1 is preferably at least 0.020 inches, and is preferably within a range of about 0.020 inches to about 0.036 inches. More preferably, first radius R1 is within a range of about 0.023 inches to about 0.030 inches. - A second radius R2 is also advantageously defined in the internal surface of the
shoulder region 46 between thelinerless sealing member 48 and theinternal surface 42 of thesidewall 38. Second radius R2 intersects theinternal surface 42 of thesidewall 38, as is shown inFIG. 2 . Second radius R2 is preferably at least 0.020 inches, and is preferably within a range of about 0.020 inches to about 0.036 inches. More preferably, second radius R2 is within a range of about 0.023 inches to about 0.030 inches. - The first and second radii R1, R2 may be although not necessarily are substantially the same dimension.
- Closure 30 has been found to exhibit significantly improved resistance to stress-related cracking with respect to the conventional closure structure that is discussed above with reference to
FIG. 1 . - It is to be understood, however, that even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims (38)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/036,519 US20060163192A1 (en) | 2005-01-14 | 2005-01-14 | Linerless plastic closure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/036,519 US20060163192A1 (en) | 2005-01-14 | 2005-01-14 | Linerless plastic closure |
Publications (1)
Publication Number | Publication Date |
---|---|
US20060163192A1 true US20060163192A1 (en) | 2006-07-27 |
Family
ID=36695620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/036,519 Abandoned US20060163192A1 (en) | 2005-01-14 | 2005-01-14 | Linerless plastic closure |
Country Status (1)
Country | Link |
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US (1) | US20060163192A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140190968A1 (en) * | 2011-04-06 | 2014-07-10 | Creanova Universal Closures Limited | Closure with folded-up tamper evident band |
US20220234789A1 (en) * | 2019-06-07 | 2022-07-28 | Creanova Universal Closures Limited | Closure |
US12017821B2 (en) * | 2019-06-07 | 2024-06-25 | Creanova Universal Closures Limited | Closure |
Citations (23)
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---|---|---|---|---|
US4196818A (en) * | 1977-12-14 | 1980-04-08 | Metal Closures Group Limited | Closures for containers |
US4220250A (en) * | 1977-12-05 | 1980-09-02 | Metal Closures Group Limited | Closure for containers |
US4450973A (en) * | 1982-09-28 | 1984-05-29 | Thurston Toeppen | Closure for pressurized containers |
US4550844A (en) * | 1984-06-22 | 1985-11-05 | Owens-Illinois, Inc. | Tamper resistant closure with tear-off band |
US4598835A (en) * | 1983-10-29 | 1986-07-08 | Metal Box Public Limited Company | One-piece plastics closure |
US4657153A (en) * | 1985-11-18 | 1987-04-14 | Anchor Hocking Corporation | Tamper-evident closure |
US5040692A (en) * | 1990-12-17 | 1991-08-20 | Sunbeam Plastics Corporation | Tamper indicating closure |
US5056675A (en) * | 1991-01-18 | 1991-10-15 | Sunbeam Plastics Corporation | Tether web ratchet drive tamper indicating band closure |
US5161707A (en) * | 1992-02-20 | 1992-11-10 | Continental Plastics, Inc. | Closure with linerless seal |
US5356019A (en) * | 1992-10-14 | 1994-10-18 | Crown Cork & Seal Company, Inc. | Tamper indicating plastic closure |
US5400913A (en) * | 1992-12-23 | 1995-03-28 | Crown Cork & Seal Company | Tamper-indicating closure |
US5749484A (en) * | 1995-09-22 | 1998-05-12 | Rieke Corporation | Tamper-evident child-resistant closure |
US5913437A (en) * | 1997-08-01 | 1999-06-22 | Portola Packaging, Inc. | Tamper evident bottle cap |
US5964139A (en) * | 1991-06-29 | 1999-10-12 | Alcoa Deutschland Gmbh | Apparatas for producing container cap |
US20010002661A1 (en) * | 1999-06-03 | 2001-06-07 | Bryan L. Reidenbach | Tamper-resistant bottle closure |
US20020033374A1 (en) * | 1997-08-01 | 2002-03-21 | Ma Mike Xiaoli | Tamper evidencing closure |
US20020158037A1 (en) * | 2001-02-08 | 2002-10-31 | Yuji Kano | Plastic container closure |
US20030116523A1 (en) * | 1997-07-14 | 2003-06-26 | Closures And Packaging Services Limited | Closure with extended seal member |
US20030121877A1 (en) * | 2001-10-16 | 2003-07-03 | Brozell Brian J. | Child-resistant closure and container package |
US20040129668A1 (en) * | 2002-10-23 | 2004-07-08 | Alcoa Aluminio S/A | Closure and a container for packing products |
US6779672B2 (en) * | 2000-03-13 | 2004-08-24 | Japan Crown Cork Co., Ltd. | Synthetic resin container closure |
US20040238478A1 (en) * | 2001-09-10 | 2004-12-02 | Druitt Rodney Malcolm | Linerless bore seal closure |
US20050184433A1 (en) * | 1988-06-17 | 2005-08-25 | Closures And Packaging Services Limited | Linerless closure for carbonated beverage container |
-
2005
- 2005-01-14 US US11/036,519 patent/US20060163192A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
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US4220250A (en) * | 1977-12-05 | 1980-09-02 | Metal Closures Group Limited | Closure for containers |
US4196818A (en) * | 1977-12-14 | 1980-04-08 | Metal Closures Group Limited | Closures for containers |
US4450973A (en) * | 1982-09-28 | 1984-05-29 | Thurston Toeppen | Closure for pressurized containers |
US4598835A (en) * | 1983-10-29 | 1986-07-08 | Metal Box Public Limited Company | One-piece plastics closure |
US4550844A (en) * | 1984-06-22 | 1985-11-05 | Owens-Illinois, Inc. | Tamper resistant closure with tear-off band |
US4657153A (en) * | 1985-11-18 | 1987-04-14 | Anchor Hocking Corporation | Tamper-evident closure |
US20050184433A1 (en) * | 1988-06-17 | 2005-08-25 | Closures And Packaging Services Limited | Linerless closure for carbonated beverage container |
US5040692A (en) * | 1990-12-17 | 1991-08-20 | Sunbeam Plastics Corporation | Tamper indicating closure |
US5056675A (en) * | 1991-01-18 | 1991-10-15 | Sunbeam Plastics Corporation | Tether web ratchet drive tamper indicating band closure |
US5964139A (en) * | 1991-06-29 | 1999-10-12 | Alcoa Deutschland Gmbh | Apparatas for producing container cap |
US5161707A (en) * | 1992-02-20 | 1992-11-10 | Continental Plastics, Inc. | Closure with linerless seal |
US5356019A (en) * | 1992-10-14 | 1994-10-18 | Crown Cork & Seal Company, Inc. | Tamper indicating plastic closure |
US5400913A (en) * | 1992-12-23 | 1995-03-28 | Crown Cork & Seal Company | Tamper-indicating closure |
US5749484A (en) * | 1995-09-22 | 1998-05-12 | Rieke Corporation | Tamper-evident child-resistant closure |
US20030116523A1 (en) * | 1997-07-14 | 2003-06-26 | Closures And Packaging Services Limited | Closure with extended seal member |
US5913437A (en) * | 1997-08-01 | 1999-06-22 | Portola Packaging, Inc. | Tamper evident bottle cap |
US20020033374A1 (en) * | 1997-08-01 | 2002-03-21 | Ma Mike Xiaoli | Tamper evidencing closure |
US20010002661A1 (en) * | 1999-06-03 | 2001-06-07 | Bryan L. Reidenbach | Tamper-resistant bottle closure |
US6779672B2 (en) * | 2000-03-13 | 2004-08-24 | Japan Crown Cork Co., Ltd. | Synthetic resin container closure |
US20020158037A1 (en) * | 2001-02-08 | 2002-10-31 | Yuji Kano | Plastic container closure |
US20040238478A1 (en) * | 2001-09-10 | 2004-12-02 | Druitt Rodney Malcolm | Linerless bore seal closure |
US20030121877A1 (en) * | 2001-10-16 | 2003-07-03 | Brozell Brian J. | Child-resistant closure and container package |
US6848590B2 (en) * | 2001-10-16 | 2005-02-01 | Owens-Illinois Closure Inc. | Child-resistant closure and container package |
US20040129668A1 (en) * | 2002-10-23 | 2004-07-08 | Alcoa Aluminio S/A | Closure and a container for packing products |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140190968A1 (en) * | 2011-04-06 | 2014-07-10 | Creanova Universal Closures Limited | Closure with folded-up tamper evident band |
US9821934B2 (en) * | 2011-04-06 | 2017-11-21 | Creanova Universal Closures Limited | Closure with folded-up tamper evident band |
US20220234789A1 (en) * | 2019-06-07 | 2022-07-28 | Creanova Universal Closures Limited | Closure |
US12017821B2 (en) * | 2019-06-07 | 2024-06-25 | Creanova Universal Closures Limited | Closure |
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