초록 ▼

A beverage container closure includes a cap and a monolithic cap liner having concentric first and second seal rings coupled to the cap. The concentric first and second seal rings are adapted to mate with an annular rim provided on the neck of a beverage container and formed to include an open mouth

A beverage container closure includes a cap and a monolithic cap liner having concentric first and second seal rings coupled to the cap. The concentric first and second seal rings are adapted to mate with an annular rim provided on the neck of a beverage container and formed to include an open mouth to allow liquids to flow through the neck into and out of the beverage container. At least one of the seal rings is splayed relative to the annular rim during installation of the cap on the container neck to form a seal between the cap and the beverage container.

대표청구항 ▼

The invention claimed is: 1. A beverage container closure in combination with a beverage container comprising a beverage container including a mouth having an annular rim and a substantially flat top surface, a cap including a top wall and an annular skirt depending from the top wall, a monolithic

The invention claimed is: 1. A beverage container closure in combination with a beverage container comprising a beverage container including a mouth having an annular rim and a substantially flat top surface, a cap including a top wall and an annular skirt depending from the top wall, a monolithic cap liner including a mount coupled to the top wall, a first seal ring having a crest arranged to depend from the mount by a certain distance, and a second outermost seal ring having a crest arranged to depend from the mount by a lesser distance and surround the first seal ring, and the first and second seal rings spaced inwardly from the annular skirt at a distance that provides compressive sealing of the crests on the substantially flat top surface of the beverage container and wherein the first seal ring engages the top surface of the beverage container and is compressed by contact with the substantially flat top surface prior to the second seal ring contacting the substantially flat top surface of the beverage container. 2. The closure of claim 1, wherein the mount includes an inner web adhered to the top wall and the inner web includes an outer peripheral portion terminating at the first seal ring to cause the first seal ring to surround the inner web. 3. The closure of claim 2, wherein the top wall and the annular skirt cooperate to define an interior region of the cap, the top wall includes a central dome arranged to extend into the interior region and a flat interior surface arranged to surround the central dome of the top wall and extend radially outwardly from the central dome of the top wall to the annular skirt, the inner web includes a central dome formed to include a dome receiver cavity having an opening facing toward the top wall of the cap, the inner web further includes a web membrane arranged to surround the central dome of the inner web and extend radially outwardly from the central dome of the inner web to the first seal ring, and the inner web is arranged on the top wall of the cap to cause the central dome of the top wall to extend into the dome receiver cavity formed in the central dome of the inner web and to cause the web membrane to mate with the flat interior surface of the top wall. 4. The closure of claim 3, wherein the web membrane is adhered to the flat interior surface of the top wall. 5. The closure of claim 3, wherein the web membrane has a thickness of about 0.0145 inches (0.368 mm). 6. The closure of claim 2, wherein the first seal ring includes an inclined radially inwardly facing surface that is arranged to cooperate with the inner web to define an included angle of about 100° therebetween. 7. The closure of claim 2, wherein the first seal ring includes an inclined radially outwardly facing surface that is arranged to cooperate with the inner web to define an included angle of about 60° therebetween. 8. The closure of claim 2, wherein the second seal ring includes an inclined radially inwardly facing surface that is arranged to cooperate with the inner web to define an included angle of about 120° therebetween. 9. The closure of claim 2, wherein the first seal ring has a profile height extending from the inner web to a crest of the first seal ring, the second seal ring has a profile height extending from the inner web to a crest of the second seal ring, and the profile height of the first seal ring is greater than the profile height of the second seal ring. 10. The closure of claim 2, wherein the inner web has a thickness of about 0.0145 inch (0.368 mm) and the first seal ring has a profile height extending from the inner web to a crest of the first seal ring of about 0.040 inch (1.02 mm). 11. The closure of claim 9, wherein the second seal ring has a profile height extending from the inner web to a crest of the second seal ring of about 0.030 inch (0.76 mm). 12. The closure of claim 2, wherein the first seal ring includes an inclined radially inwardly facing surface that is arranged to cooperate with the inner web to define an included angle of about 100° therebetween, the first seal ring includes an inclined radially outwardly facing surface that is arranged to cooperate with the inner web to define an included angle of about 60° therebetween, the second seal ring includes an inclined radially inwardly facing surface that is arranged to cooperate with the inner web to define an included angle of about 120° therebetween, the first seal ring has a profile height extending from the round inner web to a crest of the first seal ring, the second seal ring has a profile height extending from the inner web to a crest of the second seal ring, and the profile height of the first seal ring is greater than the profile height of the second seal ring, and the inner web has a thickness of about 0.0145 inch (0.368 mm) and the first seal ring has a profile height extending from the inner web to a crest of the first seal ring of about 0.040 inch (1.02 mm). 13. The closure of claim 2, wherein the mount further includes an annular outer web having a surface arranged to extend between the first and second seal rings. 14. The closure of claim 13, wherein the first seal ring includes an inclined radially outwardly facing surface that is arranged to cooperate with the annular outer web to define an included angle of about 120° therebetween. 15. The closure of claim 13, wherein the second seal ring includes an inclined radially inwardly facing surface that is arranged to cooperate with the annular outer web to define an included angle of about 120° therebetween. 16. The closure of claim 2, wherein the inner web is round, the first seal ring surrounds the round inner web, the mount further includes an annular outer web arranged to surround the first seal ring and extend between the first and second seal rings, and the second seal ring surrounds the annular outer web. 17. The closure of claim 1, wherein the annular skirt includes an internal threaded portion adapted to mate with external threads on a container neck and the monolithic cap liner is positioned to lie between the top wall and the internal threaded portion of the annular skirt. 18. The closure of claim 1, wherein the first seal ring includes an inclined radially inwardly facing surface having a first frustoconical shape. 19. The closure of claim 18, wherein the first seal ring includes an inclined radially outwardly facing surface having a second frustoconical shape different from the first frustoconical shape. 20. The closure of claim 19, wherein the second seal ring includes an inclined radially inwardly facing surface having a third frustoconical shape different from each of the first and second frustoconical shapes. 21. The closure of claim 18, wherein the second seal ring includes an inclined radially inwardly facing surface having a selected frustoconical shape different from the first frustoconical shape. 22. The closure of claim 1, wherein the first seal ring includes separate inclined radially inwardly and outwardly facing surfaces, the second seal ring includes an inclined radially inwardly facing surface, and each of said surfaces has a frustoconical shape. 23. The closure of claim 22, wherein the first seal ring further includes an annular crest arranged to interconnect the inclined radially inwardly and outwardly facing surfaces of the first seal ring. 24. The closure of claim 22, wherein the second seal ring further includes a cylindrical radially outwardly facing surface. 25. The closure of claim 24, wherein the second seal ring further includes an annular crest arranged to interconnect the inclined radially inwardly facing surface of the second seal ring and the cylindrical radially outwardly facing surface of the second seal ring. 26. A beverage container closure and a beverage container comprising a beverage container having a neck with a substantially flat top surface a cap formed to include an interior region adapted to receive the neck of the beverage container therein and a monolithic cap liner located in the interior region and adhered to the cap, the monolithic cap liner includes a round disk having a top surface adhered to the cap, an opposite bottom surface, and an outer edge, a first seal ring having a crest and arranged to depend from the bottom surface of the round disk for a first distance, and a second outermost seal ring having a crest and arranged to depend from the bottom surface of the round disk by a lesser distance and surround the first seal ring, and wherein both seal ring crests are located inwardly with respect to the outer edge of the disk to provide compressive sealing to the substantially flat top surface of the beverage container and wherein the first seal ring engages the substantially flat top surface of the beverage container and is compressed by contact with the substantially flat top surface prior to the second seal ring contacting the substantially flat top surface of the beverage container. 27. The closure of claim 26, wherein the first seal ring includes an inclined radially inwardly facing surface having a first frustoconical shape. 28. The closure of claim 27, wherein the first seal ring includes an inclined radially outwardly facing surface having a second frustoconical shape different from the first frustoconical shape. 29. The closure of claim 28, wherein the second seal ring includes an inclined radially inwardly facing surface having a third frustoconical shape different from each of the first and second frustoconical shapes. 30. The closure of claim 27, wherein the second seal ring includes an inclined radially inwardly facing surface having a selected frustoconical shape different from the first frustoconical shape. 31. The closure of claim 26, wherein the first seal ring includes separate inclined radially inwardly and outwardly facing surfaces, the second seal ring includes an inclined radially inwardly facing surface, and each of said surfaces has a frustoconical shape. 32. The closure of claim 31, wherein the second seal ring further includes a cylindrical radially outwardly facing surface. 33. A beverage container closure and a beverage container comprising a beverage container having a neck with a substantially flat top surface a cap formed to include an interior region adapted to receive the neck of the beverage container therein a monolithic cap liner located in the interior region, the cap liner includes a disk adhered to the cap, a first seal ring, and a second outermost seal ring arranged to surround the first seal ring, the first seal ring having an annular base appended to the disk and an annular crest arranged to lie at a first distance from the disk to provide the first seal ring with a first profile height, the second seal ring having an annular base appended to the disk and an annular crest arranged to lie at a lesser second distance from the disk to provide the second seal ring with a second profile height that is less than the first profile height associated with the first seal ring, and wherein both seal rings are located on the disk to provide compressive sealing to the substantially flat top surface of the beverage container and wherein the first seal ring annular crest engages the substantially flat top surface of the beverage container and is compressed by contact with the substantially flat top surface prior to the second seal ring annular crest contacting the substantially flat top surface of the beverage container. 34. The closure of claim 33, wherein the first seal ring includes a radially inwardly facing surface and a radially outwardly facing surface and the second seal ring includes a radially inwardly facing surface arranged to lie in confronting relation to and merge with the radially outwardly facing surface of the first seal ring. 35. The closure of claim 34, wherein at least one of the surfaces has a frustoconical shape. 36. The closure of claim 34, wherein each of the surfaces has a frustoconical shape. 37. The closure of claim 34, wherein at least one of the surfaces has a convex shape. 38. The closure of claim 34, wherein each of the surfaces has a convex shape. 39. The closure of claim 34, wherein the annular crest of each of the first and second seal rings is flat. 40. The closure of claim 33, wherein the first seal ring includes a radially outwardly facing surface, the second seal ring includes a radially inwardly facing surface arranged to lie in confronting relation to the radially outwardly facing surface of the first seal ring, and at least one of the surfaces includes a first portion having a cylindrical shape positioned to lie adjacent to the disk and a second portion having a frustoconical shape positioned to lie in spaced-apart relation to the disk. 41. The closure of claim 33, wherein the first seal ring includes a radially outwardly facing surface, the second seal ring includes a radially inwardly facing surface arranged to lie in confronting relation to the radially outwardly facing surface of the first seal ring, and each of the surfaces includes a first portion having a cylindrical shape positioned to lie adjacent to the disk and a second portion having a frustoconical shape positioned to lie in spaced-apart relation to the disk.