Circumferential stiffening rib for hot-fill containers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-001/02
B65D-001/46
B65D-001/40
출원번호
US-0064610
(2005-02-24)
등록번호
US-7364046
(2008-04-29)
발명자
/ 주소
Joshi,Rohit V
Lane,Michael T
Steih,Richard J
출원인 / 주소
Amcor Limited
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
14인용 특허 :
22
초록▼
A polymer container suitable for hot-filling featuring at least one circumferential rib having a plurality of varying width regions transitioning from a smaller dimension area, to a larger dimension area, to the smaller dimension area. The larger dimension area is adjacent a land area between any tw
A polymer container suitable for hot-filling featuring at least one circumferential rib having a plurality of varying width regions transitioning from a smaller dimension area, to a larger dimension area, to the smaller dimension area. The larger dimension area is adjacent a land area between any two adjacent vacuum panels.
대표청구항▼
We claim: 1. A polymer container comprising: a neck finish portion suitable for receiving a closure; a shoulder portion adjacent said neck finish portion; a body portion adjacent said shoulder portion, said body portion having a plurality of vacuum panels formed therein and a land area between any
We claim: 1. A polymer container comprising: a neck finish portion suitable for receiving a closure; a shoulder portion adjacent said neck finish portion; a body portion adjacent said shoulder portion, said body portion having a plurality of vacuum panels formed therein and a land area between any adjacent pair of said vacuum panels; a bottom portion adjacent said body portion; and a circumferential rib adjacent to at least one of said shoulder portion and said bottom portion; said circumferential rib defined in part by a plurality of varying width regions which transition from a smaller vertical dimension area, to a larger vertical dimension area, to said smaller vertical dimension area; wherein said larger vertical dimension area is adjacent said land area; said circumferential rib having a depth at least equal to 25 percent of a width of said smaller vertical dimension area. 2. The container according to claim 1, wherein each varying width region of said plurality of varying width regions of said circumferential rib is continuous and joins with each adjacent varying width region of said plurality of varying width regions. 3. The container according to claim 1, wherein each varying width region of said plurality of varying width regions of said circumferential rib is substantially symmetrical on either side of a horizontal plane extending through a centerline of said circumferential rib. 4. The container according to claim 1, wherein each varying width region of said plurality of varying width regions of said circumferential rib is disconnected and separated from each adjacent varying width region of said plurality of varying width regions. 5. The container according to claim 1, wherein each varying width region of said plurality of varying width regions of said circumferential rib is asymmetrical to a horizontal plane extending through a centerline of said circumferential rib. 6. The container according to claim 5, wherein one edge of said circumferential rib is substantially parallel to said horizontal plane and an opposite edge is in part non-parallel to said horizontal plane. 7. The container according to claim 6, wherein said opposite edge is adjacent to said land area. 8. The container according to claim 1, wherein said polymer is substantially one of a polyester, a polypropylene, and a polyethylene. 9. The container according to claim 8, wherein said polyester is substantially one of a polyethylene terephthalate and a polyethylene naphthalate. 10. A hot-filled polymer container filled with a liquid at an elevated temperature, sealed with a closure, and cooled thereby establishing a slight vacuum within said container, said container comprising: a neck finish portion suitable for receiving the closure; a shoulder portion adjacent said neck finish portion; a body portion adjacent said shoulder portion, said body portion having a plurality of vacuum panels formed therein and a land area between any adjacent pair of said vacuum panels; a bottom portion adjacent said body portion; and a circumferential rib adjacent to at least one of said shoulder portion and said bottom portion; said circumferential rib defined in part by a plurality of varying width regions which transition from a smaller vertical dimension area, to a larger vertical dimension area, to said smaller vertical dimension area; wherein said larger vertical dimension area is adjacent said land area; said circumferential rib having a depth at least equal to 25 percent of a width of said smaller vertical dimension area. 11. The container according to claim 10, wherein said temperature of the liquid is between 180�� F. to 205�� F. (82�� C. to 96�� C.). 12. The container according to claim 10, wherein said polymer is substantially one of a polyester, a polypropylene, and a polyethylene. 13. The container according to claim 12, wherein said polyester is substantially one of a polyethylene terephthalate and a polyethylene naphthalate. 14. The container according to claim 10, wherein one edge of said circumferential rib is substantially parallel to a horizontal plane extending through a centerline of said circumferential rib and an opposite edge is in part non-parallel to said horizontal plane. 15. The container according to claim 14, wherein said opposite edge is adjacent to said land area. 16. A stretch-molded heat-set polyester container formed within a mold cavity having a temperature of approximately 250�� F. to 350�� F. (121�� C. to 176�� C.), said container comprising: a neck finish portion suitable for receiving a closure; a shoulder portion adjacent said neck finish portion; a body portion adjacent said shoulder portion, said body portion having a plurality of vacuum panels formed therein and a land area between any adjacent pair of said vacuum panels; a bottom portion adjacent said body portion; a first circumferential rib adjacent said shoulder portion and a second circumferential rib adjacent said bottom portion; said circumferential ribs defined in part by a plurality of varying width regions which transition from a smaller vertical dimension area, to a larger vertical dimension area, to said smaller vertical dimension area; wherein said larger vertical dimension area is adjacent said land area; said circumferential ribs having a depth at least equal to 25 percent of a width of said smaller vertical dimension area; and a generally biaxially oriented molecular structure. 17. The container according to claim 16, wherein said polyester is substantially a polyethylene terephthalate. 18. The container according to claim 16, wherein each varying width region of said plurality of varying width regions of said circumferential ribs is substantially symmetrical on either side of a horizontal plane extending through a centerline of said circumferential ribs. 19. The container according to claim 16, wherein one edge of said circumferential ribs is substantially parallel to a horizontal plane extending through a centerline of said circumferential ribs and an opposite edge is in part non-parallel to said horizontal plane. 20. The container according to claim 19, wherein said opposite edge is adjacent to said land area. 21. A polymer container comprising: a neck finish portion suitable for receiving a closure; a shoulder portion adjacent said neck finish portion; a body portion adjacent said shoulder portion, said body portion having a plurality of vacuum panels formed therein and a land area between any adjacent pair of said vacuum panels; a bottom portion adjacent said body portion; and a circumferential rib adjacent to at least one of said shoulder portion and said bottom portion; said circumferential rib defined in part by a plurality of varying width regions which transition from a smaller dimension area, to a larger dimension area, to said smaller dimension area; wherein said larger dimension area is adjacent said land area; said circumferential rib having a depth at least equal to 25 percent of a width of said smaller dimension area, and each varying width region of said plurality of varying width regions of said circumferential rib is asymmetrical to a horizontal plane extending through a centerline of said circumferential rib.
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