发明申请
US20090151862A1 METHOD AND APPARATUS FOR CONTINUOUSLY STRETCHING POLYMER FILMS
审中-公开
连续拉伸聚合物薄膜的方法和装置
- 专利标题： METHOD AND APPARATUS FOR CONTINUOUSLY STRETCHING POLYMER FILMS
- 专利标题（中）： 连续拉伸聚合物薄膜的方法和装置
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申请号： US12334327申请日： 2008-12-12
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公开(公告)号： US20090151862A1公开(公告)日： 2009-06-18
- 发明人: Shinsuke Aoshima , Misao Takahashi
- 申请人： Shinsuke Aoshima , Misao Takahashi
- 申请人地址： JP Tokyo
- 专利权人： FUJIFILM Corporation
- 当前专利权人： FUJIFILM Corporation
- 当前专利权人地址： JP Tokyo
- 优先权： JP2007-322904 20071214
- 主分类号： B32B37/04
- IPC分类号： B32B37/04 ; B32B37/00
摘要：
A rear end of a preceding film and a front end of a trailing film are overlapped with an overlap length Lo. Each of a pair of welding heads has a contact surface and a film heating surface. The contact surface has a length Lp in a conveying direction. The film heating surface has a length Lh in the conveying direction. The lengths Lh, Lo, and Lp satisfy Lh
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