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1. 发明申请

WO2003024813A1 BASE FOR PLASTIC CONTAINER 审中-公开
标题翻译：塑料容器基座
公开(公告)号：WO2003024813A1
公开(公告)日：2003-03-27
申请号：PCT/EP2002/010387
申请日：2002-09-13
申请人： CROWN CORK & SEAL TECHNOLOGIES CORPORATION , CARNAUDMETALBOX PLC
发明人： CHENG, John, J. , YUAN, XiaoXu
IPC分类号： B65D1/02
CPC分类号： B65D1/0276
摘要： A moulded polymeric container (10) includes a body portion (12) having a sidewall (18) and an integral champagne type base (16). The base (16) includes a lower end (20) that defines an annular contact ring (22) for supporting the container (10) with respect to an underlying surface. An annular step ring (24) is defined immediately radially inwardly of the annular contact ring (22) and has a radial length L S . The base (16) further has a central push-up area (26) and a generally concave transition region (28) interposed between the central push-up area (26) and the annular contact ring (22). The transition region (28) further includes a plurality of integrally moulded radially extending ribs (30), each of the ribs (30) having a length L R . According to one advantageous aspect of the invention, the ratio L R /L S is within a range of about 1.0 to about 4.0.
摘要翻译：模制的聚合物容器（10）包括具有侧壁（18）和整体式香槟型底座（16）的主体部分（12）。基部（16）包括限定用于相对于下面的表面支撑容器（10）的环形接触环（22）的下端（20）。环形阶梯环（24）被定义在环形接触环（22）的径向内侧，并且具有径向长度LS。底座（16）还具有插入在中央上推区域（26）和环形接触环（22）之间的中央上推区域（26）和大致凹入的过渡区域（28）。过渡区域（28）还包括多个整体模制的径向延伸肋（30），每个肋（30）具有长度LR。根据本发明的一个有利方面，LR / LS的比值在约1.0至约4.0的范围内。

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