Plastic container with angular vacuum panel and method of same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-001/40
B65D-079/00
B65D-001/02
B65B-025/00
B65B-003/02
출원번호
US-0251966
(2011-10-03)
등록번호
US-8919587
(2014-12-30)
발명자
/ 주소
Howell, Justin A.
Borger, Mark O.
Pritchett, Jr., Raymond A.
출원인 / 주소
Graham Packaging Company, L.P.
대리인 / 주소
Baker Botts L.L.P.
인용정보
피인용 횟수 :
5인용 특허 :
264
초록▼
A plastic container, sidewall portions, and method of same are described. The sidewall portion can accommodate a vacuum in a filled and sealed container and includes a plurality of columns extending between upper and lower ends of the sidewall portion, and a plurality of vacuum panels oriented verti
A plastic container, sidewall portions, and method of same are described. The sidewall portion can accommodate a vacuum in a filled and sealed container and includes a plurality of columns extending between upper and lower ends of the sidewall portion, and a plurality of vacuum panels oriented vertically between respective adjacent ones of the columns, each vacuum panel including an upper section, a middle section, and a lower section, a first hinge connecting the upper and middle sections, and a second hinge connecting the middle and lower sections. The vacuum panels can move radially inward toward a container central axis such that the container vacuum is accommodated. As the vacuum panel moves radially inward, the middle section can maintain a substantially parallel orientation with respect to the central axis, and the upper and lower sections rotate about first and second hinges, respectively, and incline away from the central axis.
대표청구항▼
1. A hot-fillable, blow-molded plastic container comprising: a base defining a lower label stop and having a solid bottom end that includes a bearing portion defining a standing surface upon which the container may be supported on a horizontal surface;a generally cylindrical sidewall extending from
1. A hot-fillable, blow-molded plastic container comprising: a base defining a lower label stop and having a solid bottom end that includes a bearing portion defining a standing surface upon which the container may be supported on a horizontal surface;a generally cylindrical sidewall extending from the base and configured to support a wrap-around label, the sidewall including: an upper label straight at a top end of the sidewall, the upper label straight having a uniform height;a lower label straight at a bottom end of the sidewall, the lower label straight having a uniform height;a plurality of columns extending between the upper label straight and the lower label straight; anda plurality of vacuum panels, each vacuum panel disposed between adjacent ones of the plurality of columns and having an upper section, a middle section, a lower section, a first hinge portion connecting the upper section and the middle section, and a second hinge portion connecting the middle section and the lower section;a shoulder portion extending from the top end of the sidewall, the shoulder portion defining an upper label stop above the sidewall; anda neck portion extending from the shoulder portion to create an open end of the container, the neck portion having a diameter less than a diameter of the sidewall and being operative to receive a closure,wherein the container defines a container central axis, and is formed in an initial blow molded condition with the middle section of each vacuum panel extending in a direction substantially parallel to the container central axis, the upper section of each vacuum panel being inclined from the first hinge portion toward the container central axis, and the lower section of each vacuum panel being inclined from the second hinge portion toward the container central axis, and further wherein at least one of the upper section or the lower section is inclined at an angle with respect to the container central axis, the angle being greater than 0 degrees and less than 20 degrees. 2. The container of claim 1, wherein the shoulder portion includes a recessed portion, the recessed portion extending circumferentially along an outer periphery of the shoulder portion. 3. The container of claim 1, wherein the sidewall includes an upper recessed portion, the upper recessed portion extending circumferentially along an outer periphery of the sidewall below the upper label straight. 4. The container of claim 1, wherein the sidewall includes a lower recessed portion, the lower recessed portion extending circumferentially along an outer periphery of the sidewall above the lower label straight. 5. The container of claim 1, wherein each vacuum panel is operative to move to an inverted state in response to pressure variation within the container after the container has been hot-filled with a product and sealed with the closure, the pressure variation including an internal vacuum associated with cooling of the hot-filled and sealed container, the vacuum panel being constructed and operative to move radially inward toward the container central axis in response to the internal vacuum. 6. The container of claim 5, wherein following the move to an inverted state, the middle section of each vacuum panel extends in a direction substantially parallel to the container central axis, the upper section of each vacuum panel being rotated at the first hinge portion and inclined away from the container central axis, the lower section of each vacuum panel being rotated at the second hinge portion and inclined away from the container central axis. 7. The container of claim 1, wherein each vacuum panel is recessed with respect to its adjacent columns such that the vacuum panel is located radially closer to the container central axis than are the adjacent columns. 8. The container of claim 1, the sidewall including a plurality of islands protruding from respective ones of the plurality of vacuum panels and configured to support the wrap-around label, wherein the container defines a container central axis, each island extends vertically in a direction substantially parallel to the container central axis, and each island extends radially further from the container central axis than does its respective vacuum panel. 9. A sidewall portion of a container constructed and operative to accommodate a vacuum in the container when filled and sealed, the sidewall portion comprising: a plurality of columns extending vertically between an upper end of the sidewall portion and a lower end of the sidewall portion; anda plurality of angular vacuum panels, each vacuum panel disposed in a vertical orientation between adjacent ones of the plurality of columns and including an upper section, a middle section, and a lower section disposed in angular relation to each other, a first hinge connecting the upper section and the middle section, and a second hinge connecting the middle section and the lower section, wherein the container is formed in an initial blow molded condition with the middle section of each vacuum panel extending in a direction substantially parallel to a container central axis defined by the container, the upper section of each vacuum panel being inclined from the first hinge portion toward the container central axis, and the lower section of each vacuum panel being inclined from the second hinge portion toward the container central axis, and further wherein at least one of the upper section or the lower section is inclined at an angle with respect to the container central axis, the angle being greater than 0 degrees and less than 20 degrees, each vacuum panel being constructed and operative to move radially inward toward the container central axis to accommodate the vacuum in the container when filled and sealed, andwherein when each vacuum panel moves radially inward toward the container central axis, the middle section maintains a substantially parallel orientation with respect to the container central axis, the upper section rotates about the first hinge and inclines away from the container central axis, and the lower section rotates about the second hinge and inclines away from the container central axis. 10. The sidewall portion of claim 9, wherein the upper section, the middle section, and the lower section are each formed with a substantially linear vertical profile.
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