Multi-panel plastic container with asymmetric vacuum panels
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-023/10
B65D-001/42
출원번호
US-0476350
(2009-06-02)
등록번호
US-8109398
(2012-02-07)
발명자
/ 주소
Lewis, Benton A.
Carvallo, Luis
Howell, Justin A.
출원인 / 주소
Graham Packaging Company, L.P.
대리인 / 주소
Knoble Yoshida & Dunleavy, LLC
인용정보
피인용 횟수 :
4인용 특허 :
9
초록▼
A plastic container that particularly adapted for hot-fill applications includes a bottom portion; and a sidewall portion that is unitary with the bottom portion. The sidewall portion has a maximum outer diameter, and includes first and second pairs of opposing first and second vacuum panels, respec
A plastic container that particularly adapted for hot-fill applications includes a bottom portion; and a sidewall portion that is unitary with the bottom portion. The sidewall portion has a maximum outer diameter, and includes first and second pairs of opposing first and second vacuum panels, respectively. At least one of the second vacuum panels includes gripping structure. The first and second vacuum panels respectively have first and second substantially constant radii of curvature as measured in a horizontal plane that are substantially constant from upper to lower ends of the vacuum panels. At least one of the second vacuum panels may be asymmetric about a central vertical axis as viewed in side elevation.
대표청구항▼
1. A plastic container, comprising: a bottom portion; anda sidewall portion, said sidewall portion having a maximum outer diameter, and wherein said sidewall portion further comprises: a first pair of opposing first vacuum panels, said first vacuum panels each having a first substantially constant r
1. A plastic container, comprising: a bottom portion; anda sidewall portion, said sidewall portion having a maximum outer diameter, and wherein said sidewall portion further comprises: a first pair of opposing first vacuum panels, said first vacuum panels each having a first substantially constant radius of curvature as measured in a horizontal plane, said first substantially constant radius of curvature being substantially constant from an upper end of each of said respective first vacuum panels to a lower end, and wherein a ratio of said first substantially constant radius of curvature to said maximum outer diameter is within a range of about 0.3 to about 2.5; anda second pair of opposing second vacuum panels, at least one of said second vacuum panels including gripping structure, said second vacuum panels each having a second substantially constant radius of curvature as measured in a horizontal plane, said second substantially constant radius of curvature being substantially constant, excluding said gripping structure, from an upper end of each of said respective second vacuum panels to a lower end, and wherein a ratio of said second substantially constant radius of curvature to said maximum outer diameter is within a range of about 0.2 to about 2. 2. A plastic container according to claim 1, wherein said ratio of said first substantially constant radius of curvature to said maximum outer diameter is within a range of about 0.4 to about 1.5. 3. A plastic container according to claim 2, wherein said ratio of said first substantially constant radius of curvature to said maximum outer diameter is within a range of about 0.6 to about 0.9. 4. A plastic container according to claim 1, wherein said ratio of said second substantially constant radius of curvature to said maximum outer diameter is within a range of about 0.3 to about 1.5. 5. A plastic container according to claim 4, wherein said ratio of said second substantially constant radius of curvature to said maximum outer diameter is within a range of about 0.5 to about 0.7. 6. A plastic container according to claim 1, wherein a ratio of said first substantially constant radius of curvature to said second substantially constant radius of curvature is within a range of about 0.15 to about 12.5. 7. A plastic container according to claim 6, wherein said ratio of said first substantially constant radius of curvature to said second substantially constant radius of curvature is within a range of about 0.25 to about 5. 8. A plastic container according to claim 7, wherein said ratio of said first substantially constant radius of curvature to said second substantially constant radius of curvature is within a range of about 0.85 to about 1.8. 9. A plastic container according to claim 1, wherein said gripping structure comprises at least one protruding rib defined in at least one of said second vacuum panels. 10. A plastic container according to claim 1, wherein at least one of said second vacuum panels is shaped so as to be asymmetric about a central vertical axis when viewed in side elevation. 11. A plastic container according to claim 10, wherein said at least one of said second vacuum panels is further shaped so as to have a width as viewed in side elevation at said upper end that is different than at said lower end. 12. A plastic container according to claim 11, wherein a ratio of said width as viewed in side elevation at said lower end to said width at said upper end is within a range of about 0.35 to about 0.9. 13. A plastic container according to claim 12, wherein said ratio of said width as viewed in side elevation at said lower end to said width at said upper end is within a range of about 0.45 to about 0.85. 14. A plastic container according to claim 13, wherein said ratio of said width as viewed in side elevation at said lower end to said width at said upper end is within a range of about 0.55 to about 0.75. 15. A plastic container according to claim 1, wherein said first substantially constant radius of curvature is greater than said second substantially constant radius of curvature. 16. A plastic container, comprising: a bottom portion; anda sidewall portion, said sidewall portion having a maximum outer diameter, and wherein said sidewall portion further comprises: a first pair of opposing first vacuum panels;a second pair of opposing second vacuum panels, at least one of said second vacuum panels including gripping structure and being shaped so as to be asymmetric about a central vertical axis when viewed in side elevation; andwherein said at least one of said second vacuum panels is further shaped so as to have a width as viewed in side elevation at said upper end that is different than at said lower end. 17. A plastic container according to claim 16, wherein a ratio of said width as viewed in side elevation at said lower end to said width at said upper end is within a range of about 0.35 to about 0.9. 18. A plastic container according to claim 17, wherein said ratio of said width as viewed in side elevation at said lower end to said width at said upper end is within a range of about 0.45 to about 0.85. 19. A plastic container according to claim 18, wherein said ratio of said width as viewed in side elevation at said lower end to said width at said upper end is within a range of about 0.55 to about 0.75. 20. A plastic container according to claim 16, wherein said gripping structure comprises at least one protruding rib defined in at least one of said second vacuum panels. 21. A plastic container according to claim 20, wherein said gripping structure comprises a plurality of said protruding ribs, and wherein said protruding ribs are oriented substantially horizontally as viewed in side elevation. 22. A plastic container according to claim 21, wherein respective first ends of said protruding ribs are substantially aligned within a substantially vertical plane. 23. A plastic container according to claim 22, wherein said protruding ribs are not all of equal width. 24. A plastic container according to claim 21, wherein said protruding ribs are not all of equal width.
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