发明名称 |
EASY-TO-STRAIGHT-TEARING THERMOPLASTIC RESIN FILM AND ITS PRODUCTION METHOD AND APPARATUS |
摘要 |
A method for forming substantially parallel linear scratches on a thermoplastic resin film, comprising bringing the film into sliding contact with a means having a lot of fine projections for forming linear scratches, and pressing the film onto the linear-scratch-forming means from the opposite side of the linear-scratch-forming means by a film-pressing means, in a region in which the film is in sliding contact with the linear-scratch-forming means.
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申请公布号 |
US2010007050(A1) |
申请公布日期 |
2010.01.14 |
申请号 |
US20090556390 |
申请日期 |
2009.09.09 |
申请人 |
KAGAWA SEIJI;KAGAWA YOICHIRO |
发明人 |
KAGAWA SEIJI;KAGAWA YOICHIRO |
分类号 |
B29C59/04;B29C59/00;B65D65/28 |
主分类号 |
B29C59/04 |
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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