Inverting vacuum panels for a plastic container
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-001/02
B65D-001/46
출원번호
US-0361356
(2003-02-10)
발명자
/ 주소
Lane, Michael T.
Steih, Richard J.
Gamber, Daniel W.
Brown, Randall S.
출원인 / 주소
Amcor Limited
대리인 / 주소
Harness, Dickey &
인용정보
피인용 횟수 :
47인용 특허 :
21
초록▼
A sidewall portion of a plastic container adapted for vacuum pressure absorption. The sidewall portion including generally rectangular shaped vacuum panels equidistantly spaced about the container The vacuum panels being defined in at least part by an upper portion, a central portion and a lower por
A sidewall portion of a plastic container adapted for vacuum pressure absorption. The sidewall portion including generally rectangular shaped vacuum panels equidistantly spaced about the container The vacuum panels being defined in at least part by an upper portion, a central portion and a lower portion formed in a compound curve shape. The vacuum panels being moveable to accommodate vacuum forces generated within the container thereby decreasing the volume of the container.
대표청구항▼
1. A sidewall portion of a plastic container adapted for vacuum absorption, the container having an upper portion including a mouth defining an opening into the container, a lower portion forming a base, and the sidewall portion connected with and extending between the upper portion and the lower po
1. A sidewall portion of a plastic container adapted for vacuum absorption, the container having an upper portion including a mouth defining an opening into the container, a lower portion forming a base, and the sidewall portion connected with and extending between the upper portion and the lower portion; the upper portion, the lower portion and the sidewall portion cooperating to define a receptacle chamber within the container into which product can be filled; said sidewall portion comprising a plurality of generally rectangular shaped vacuum panels formed therein, said vacuum panels defined in at least part by an upper portion, a central portion, a lower portion and a series of generally circular indents formed therein and throughout said upper portion, said central portion and said lower portion; said upper portion, said central portion and said lower portion of said vacuum panels combine to form a compound curve, said vacuum panels being movable to accommodate vacuum forces generated within the container thereby decreasing the volume of the container.2. The sidewall portion of claim 1 wherein said series of indents are arranged in horizontal rows and vertical columns.3. The sidewall portion of claim 2 wherein material is thickest at a bottom portion of said indent and is thinnest at an area between said indents.4. The sidewall portion of claim 1 wherein a first dimension of a depth of said indent is equal to a second dimension of a length of said indent.5. The sidewall portion of claim 1 wherein said vacuum panels further include a central longitudinal axis and at least two islands located thereon.6. A sidewall portion of a plastic container adapted for vacuum absorption, the container having an upper portion including a mouth defining an opening into the container, a lower portion forming a base, and the sidewall portion connected with and extending between the upper portion and the lower portion; the upper portion, the lower portion and the sidewall portion cooperating to define a receptacle chamber within the container into which product can be filled; said sidewall portion comprising a plurality of generally rectangular shaped vacuum panels formed therein, said vacuum panels having a perimeter wall, an upper portion, a central portion, a lower portion and a plurality of generally circular indents formed therein and throughout said upper portion, said central portion and said lower portion; said perimeter wall being adjacent to and generally surrounding said upper portion, said central portion and said lower portion; said upper portion and said lower portion forming a first generally concave shaped surface in cross section and said central portion forming a generally convex shaped surface in cross section, said vacuum panels being movable to accommodate vacuum forces generated within the container thereby decreasing the volume of the container.7. The sidewall portion of claim 6 wherein said upper portion, said central portion and said lower portion combine to form a second generally concave shaped surface in cross section when the container is filled and sealed.8. The sidewall portion of claim 7 wherein said plurality of indents are arranged in horizontal rows and vertical columns.9. The sidewall portion of claim 8 wherein material is thickest at a bottom portion of said indent and is thinnest at an area between said indents.10. The sidewall portion of claim 7 wherein a first dimension of a depth of said indent is equal to a second dimension of a length of said indent.11. The sidewall portion of claim 7 wherein said vacuum panels further include a central longitudinal axis and at least two islands projecting therefrom.12. A sidewall portion of a plastic container adapted for vacuum absorption, said sidewall portion comprising:a plurality of vacuum panels formed in said sidewall portion; said vacuum panels having a series of generally circular indents formed therein, are generally rectangular in shape, and further include an upper portion, a central portion and a lower portion; said upper portion and said lower portion forming a first generally concave shaped surface in cross section and said central portion forming a generally convex shaped surface in cross section, said vacuum panels being inwardly movable along a radial axis, said movement being in response to changes in pressure in the container. 13. The sidewall portion of claim 12 wherein said upper portion, said central portion and said lower portion combine to form a second generally concave shaped surface in cross section when the container is filled and sealed.14. The sidewall portion of claim 13 wherein said series of indents are arranged in horizontal rows and vertical columns.15. The sidewall portion of claim 14 wherein material is thickest at a bottom portion of said indent and is thinnest at an area between said indents.16. The sidewall portion of claim 15 wherein said vacuum panels further include a central longitudinal axis and at least two islands projecting therefrom.17. A sidewall portion of a plastic container adapted for vacuum absorption, said sidewall portion comprising:a plurality of generally rectangular shaped vacuum panels formed in said sidewall portion; said vacuum panels having an upper portion, a central portion, a lower portion and a series of indents formed therein arranged in horizontal rows and vertical columns; said upper portion and said lower portion forming a first generally concave shaped surface in cross section and said central portion forming a generally convex shaped surface in cross section; said vacuum panels being inwardly movable along a radial axis, said movement being in response to changes in pressure in the container such that said upper portion, said central portion and said lower portion combine to form a second generally concave shaped surface in cross section when the container is filled and sealed. 18. A sidewall portion of a plastic container adapted for vacuum absorption, the container having an upper portion including a mouth defining an opening into the container, a lower portion forming a base, and the sidewall portion connected with and extending between the upper portion and the lower portion; the upper portion, the lower portion and the sidewall portion cooperating to define a receptacle chamber within the container into which product can be filled; said sidewall portion comprising a plurality of generally rectangular shaped vacuum panels formed therein, said vacuum panels defined in at least part by an upper portion, a central portion, a lower portion and a series of generally circular indents formed therein and throughout said upper portion, said central portion and said lower portion; said upper portion and said lower portion forming a first generally concave shaped surface in cross section and said central portion forming a generally convex shaped surface in cross section, said vacuum panels being movable to accommodate vacuum forces generated within the container thereby decreasing the volume of the container.19. The sidewall portion of claim 18 wherein said upper portion, said central portion and said lower portion combine to form a second generally concave shaped surface in cross section when the container is filled and sealed.
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