发明名称 VERFAHREN ZUR HERSTELLUNG EINES BEHAELTERS.
摘要 A method for producing a container by welding two deep drawn parts (3,6) of polyester material together along sealing flanges (5,7) belonging to each of the deep drawn parts. Said sealing flanges being held by tools (2) during the deep drawing operation so that the flanges (5,7) will retain their amorphous character, while the rest of the material is deep drawn during a simultaneous molecular orientation and crystal formation of the material.
申请公布号 CH637893(A5) 申请公布日期 1983.08.31
申请号 CH19790004146 申请日期 1979.05.03
申请人 TETRA PAK DEVELOPPEMENT SA 发明人 PETER PETERSEN HOJ;ERLING INGVAR NILSSON
分类号 B29C45/00;B29C51/00;B29C51/10;B29C51/14;B29C51/18;B29C65/00;B29C65/02 主分类号 B29C45/00
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