发明名称 |
POLYPROPYLENE PREFORM FOR THE PRODUCTION OF BOTTLES OR SIMILAR BY MEANS OF BLOW MOULDING OR STRETCH BLOW MOULDING, AND METHOD OF BLOW MOULDING OR STRETCH BLOW MOULDING SAID PREFORM |
摘要 |
<p>The invention relates to the production of containers ( 2 ) comprising a narrow opening and a long body, such as bottles or similar, from polypropylene by means of blow moulding or stretch blow moulding. According to the invention, during the blow moulding or stretch blow moulding step, the polypropylene preform ( 1 ) undergoes longitudinal stretching at a ratio (L/1) of between approximately 2 and 3.5 and radial stretching (D/d) at a ratio of between approximately 2 and 3.</p> |
申请公布号 |
EP1748876(A2) |
申请公布日期 |
2007.02.07 |
申请号 |
EP20050762412 |
申请日期 |
2005.04.26 |
申请人 |
SIDEL PARTICIPATIONS |
发明人 |
BUNEL, CHRISTOPHE;PENET, LAURENT |
分类号 |
B29C49/64;B29C49/00;B29C49/06;B29C49/48;B65D1/02 |
主分类号 |
B29C49/64 |
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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