发明名称 Werkwijze en set vormmallen voor het rotatievormen van een houder.
摘要 A method for the production of a double-walled plastic container, comprises the following steps: provision of the inside wall (6) of the container, placing the inside wall (6) of the container in an outside wall rotational mould (15), the internal surface of which determines the shape of the outside wall of the container, which internal surface of the outside wall rotational mould (15) and which inside wall are locally a relatively small distance apart (14) and beyond this a relatively large distance apart (18), forming the outside wall of the container in the outside wall rotational mould (15) with cohesion of the material of the outside wall and the inside wall at the location(s) (23) where they are a relatively small distance apart and leaving an open space outside that (those) location(s). <IMAGE>
申请公布号 NL1018671(C2) 申请公布日期 2003.02.03
申请号 NL20011018671 申请日期 2001.07.31
申请人 ZWEVA ROTOMOULDING N.V. 发明人 PIETER VAN VEER
分类号 B29C33/42;B29C41/02;B29C41/04;B29C41/20;(IPC1-7):B29C41/20;B29C41/06;B29L22/00;B29L24/00;B65D77/06 主分类号 B29C33/42
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