发明名称 |
Container base structure responsive to vacuum related forces |
摘要 |
A plastic container having a base portion adapted for vacuum pressure absorption. The base portion including a contact ring upon which the container is supported, an upstanding wall and a central portion. The upstanding wall being adjacent to and generally circumscribing the contact ring. The central portion being defined in at least part by a central pushup and an inversion ring which generally circumscribes the central pushup. The central pushup and the inversion ring being moveable to accommodate vacuum forces generated within the container.
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申请公布号 |
US2004232103(A1) |
申请公布日期 |
2004.11.25 |
申请号 |
US20030445104 |
申请日期 |
2003.05.23 |
申请人 |
LISCH G. DAVID;SILVERS KERRY W.;VAILLIENCOURT DWAYNE G. |
发明人 |
LISCH G. DAVID;SILVERS KERRY W.;VAILLIENCOURT DWAYNE G. |
分类号 |
B65D1/02;B65D79/00;(IPC1-7):B65D90/12 |
主分类号 |
B65D1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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