发明授权
- 专利标题: Method for forming curved plastic film from a flat film
- 专利标题(中): 从平片成型弯曲塑料薄膜的方法
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申请号: US735490申请日: 1976-10-26
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公开(公告)号: US4117068A公开(公告)日: 1978-09-26
- 发明人: Charles Newell Miller
- 申请人: Charles Newell Miller
- 申请人地址: MN Minneapolis
- 专利权人: Control Data Corporation
- 当前专利权人: Control Data Corporation
- 当前专利权人地址: MN Minneapolis
- 主分类号: B29C51/08
- IPC分类号: B29C51/08 ; B29C51/26 ; B29H21/04
摘要:
A method for forming a flat, thin polyester film into a curved film using heat, peripheral support for the film, and a single die.
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