[특허]Container having vacuum compensation elements

Plastipak Packaging, Inc.

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특허 상세정보

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Container having vacuum compensation elements

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-090/02 B65D-079/00 B65D-001/02
미국특허분류(USC)	215/381; 215/382; 215/384
출원번호	US-0595723 (2008-04-16)
등록번호	US-8905253 (2014-12-09)
국제출원번호	PCT/US2008/060454 (2008-04-16)
§371/§102 date	20100422 (20100422)
국제공개번호	WO2008/130987 (2008-10-30)
발명자 / 주소	Mooney, Michael R.
출원인 / 주소	Plastipak Packaging, Inc.
대리인 / 주소	Dykema Gossett PLLC
인용정보	피인용 횟수 : 12 인용 특허 : 16

초록

A lightweight container includes an enclosed base, an upper portion that extends upwardly to a finish; and a body located between the base and the upper portion. The sidewall includes vacuum compensation elements that have an open end and an opposing closed end, and that form a V-shape. Each element has nested fields.

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1. A plastic hot-fill bottle comprising: an enclosed base, an upper portion that extends upwardly to a finish; and a body located between the base and the upper portion, the body including a sidewall having an even number of circumferentially spaced, vacuum compensation elements, each one of the vacuum compensation elements generally having a V-shape and including a first ridge defining a first field, a second ridge defining a second field, and a third ridge defining a third field; the entire first ridge and first field being nested within the second ridge and second field, the entire second ridge and second field being nested within the third ridge and third field; the vacuum compensation elements being generally closed on one of an upper end and a lower end and generally open on the other one of the upper end and the lower end, wherein the vacuum compensation elements alternate upwardly oriented and downwardly oriented. 2. The bottle of claim 1 wherein the vacuum compensation elements alternate around a circumference of the body upwardly oriented and downwardly oriented. 3. The bottle of claim 1 wherein the open end of each vacuum compensation element is flared. 4. The bottle of claim 3 wherein the closed end of each one of the vacuum compensation elements includes a rounded tip, curved transition portions extending from the tip, and lateral portions that merge into the flared end portions. 5. The bottle of claim 1 wherein each one of the fields is generally V-shaped. 6. The bottle of claim 5 wherein each one of the fields has a closed end and opposing open end. 7. The bottle of claim 6 wherein the closed end of each one of the fields includes a rounded tip, a curved transition portion extending from the tip, a pair of lateral portions, and a pair of outwardly flared ends at the open end. 8. The bottle of claim 7 wherein each one of the tip, transition portions, and lateral portions of the fields are defined by ridges. 9. The bottle of claim 8 wherein, before hot filling, a tip of the closed end of third field is recessed relative to a tip of closed end of the second field, and a tip of the closed end of the second field is recessed relative to a tip of closed end of the first field. 10. The bottle of claim 9 wherein, before hot filling, the tip of the closed end of the first field is recessed relative to a circumference of the body. 11. The bottle of claim 6 wherein the entire area defined by the first field is located within the area defined by the second field, and the entire area defined by the second field is located within the area defined by the third field. 12. The bottle of claim 6 wherein the element further includes a fourth field, the third field is nested in the fourth field. 13. The bottle of claim 12 wherein, in response to internal vacuum pressure upon hot filling, the maximum region of inward deflection is located approximately in the second field. 14. The bottle of claim 6 wherein each one of the fields forms a face that is overall flat. 15. The bottle of claim 6 wherein the container has four vacuum compensation elements such that the container body is approximately square in transverse cross section before hot-filling. 16. The bottle of claim 6 wherein the container has four vacuum compensation elements such that the container body is approximately square in transverse cross section after hot-filling. 17. A plastic hot-fill bottle comprising: an enclosed base, an upper portion that extends upwardly to a finish; and a body located between the base and the upper portion, the body including a sidewall having at least one circumferentially spaced, vacuum compensation elements, each of said vacuum compensation elements including a first ridge defining a first field, a second ridge defining a second field, and a third ridge defining a third field; the entire first ridge and first field being nested within the second ridge and second field, the entire second ridge and second field being nested within the third ridge and third field; the vacuum compensation elements being generally enclosed on one of an upper end and a lower end and generally open on the other one of the upper end and the lower end, the element open end smoothly merging into the container sidewall, wherein the vacuum compensation elements alternate upwardly oriented and downwardly oriented. 18. The bottle of claim 17 wherein each one of the elements generally has a V-shape. 19. A plastic hot-fill bottle comprising: an enclosed base; an upper portion that extends upwardly to neck and a finish; and a body located between the base and the upper portion, the body including a sidewall comprising: at least two vacuum compensation elements; and at least two panels; wherein the vacuum compensation elements and panels are disposed around the circumference of the body in an alternating manner, each of said vacuum compensation elements generally having a V shape and including a first ridge defining a first field; a second ridge defining a second field; and a third ridge defining a third field; wherein the entire first ridge and first field is nested within the second ridge and second field, the entire second ridge and second field is nested within the third ridge and third field; and wherein the vacuum compensation elements are generally closed on one of an upper end and a lower end and generally open on the other one of the upper end and the lower end, wherein the vacuum compensation elements alternate upwardly oriented and downwardly oriented. 20. The bottle of claim 19 wherein the panels are concave. 21. A plastic hot-fill bottle comprising: an enclosed base, an upper portion that extends upwardly to a finish; and a body located between the base and the upper portion, the body including a sidewall having an even number of circumferentially spaced, vacuum compensation elements, each one of the vacuum compensation elements generally having a V-shape and including a first ridge defining a first field, a second ridge defining a second field, and a third ridge defining a third field; the entire first ridge and first field being nested within the second ridge and second field, the entire second ridge and second field being nested within the third ridge and third field; the vacuum compensation elements being generally closed on one of an upper end and a lower end and generally open on the other one of the upper end and the lower end, wherein each one of the fields has a closed end and opposing open end, and the closed end of each one of the fields includes a rounded tip, a curved transition portion extending from the tip, a pair of lateral portions, and a pair of outwardly flared ends at the open end, and each one of the tip, transition portions, and lateral portions of the fields are defined by said ridges, wherein, before hot filling, a tip of the closed end of third field is recessed relative to a tip of closed end of the second field, and a tip of the closed end of the second field is recessed relative to a tip of closed end of the first field. 22. The bottle of claim 21 wherein, before hot filling, the tip of the closed end of the first field is recessed relative to a circumference of the body. 23. A plastic hot-fill bottle comprising: an enclosed base, an upper portion that extends upwardly to a finish; and a body located between the base and the upper portion, the body including a sidewall having an even number of circumferentially spaced, vacuum compensation elements, each one of the vacuum compensation elements generally having a V-shape and including a first ridge defining a first field, a second ridge defining a second field, and a third ridge defining a third field; the entire first ridge and first field being nested within the second ridge and second field, the entire second ridge and second field being nested within the third ridge and third field; the vacuum compensation elements being generally closed on one of an upper end and a lower end and generally open on the other one of the upper end and the lower end, wherein each one of the fields has a closed end and opposing open end and the container has four vacuum compensation elements such that the container body is approximately square in transverse cross section before hot-filling. 24. A plastic hot-fill bottle comprising: an enclosed base, an upper portion that extends upwardly to a finish; and a body located between the base and the upper portion, the body including a sidewall having an even number of circumferentially spaced, vacuum compensation elements, each one of the vacuum compensation elements generally having a V-shape and including a first ridge defining a first field, a second ridge defining a second field, and a third ridge defining a third field; the entire first ridge and first field being nested within the second ridge and second field, the entire second ridge and second field being nested within the third ridge and third field; the vacuum compensation elements being generally closed on one of an upper end and a lower end and generally open on the other one of the upper end and the lower end, wherein each one of the fields has a closed end and opposing open end and the container has four vacuum compensation elements such that the container body is approximately square in transverse cross section after hot-filling.

이 특허에 인용된 특허 (16)

이 특허를 인용한 특허 피인용횟수: 12

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Container having vacuum compensation elements

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Container having vacuum compensation elements

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이 특허에 인용된 특허 (16)

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