发明授权
EP0877663B1 Process and apparatus for the production of oriented cellulosic films
失效
用于生产取向膜的纤维素的方法和装置
- 专利标题： Process and apparatus for the production of oriented cellulosic films
- 专利标题（中）： 用于生产取向膜的纤维素的方法和装置
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申请号： EP96943233.5申请日： 1996-12-23
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公开(公告)号： EP0877663B1公开(公告)日： 2001-06-20
- 发明人: ASKEW, Gregory, James , LAW, Stephen, John , STREET, Heather , HAWLEY, Keith, Nigel, Wilkinson
- 申请人： TENCEL LIMITED
- 申请人地址： 1 Holme Lane Spondon, Derby DE21 7BP GB
- 专利权人： TENCEL LIMITED
- 当前专利权人： TENCEL LIMITED
- 当前专利权人地址： 1 Holme Lane Spondon, Derby DE21 7BP GB
- 代理机构： Newby, Martin John
- 优先权： GB9600006 19960102
- 国际公布： WO9724215 19970710
- 主分类号： B29C55/08
- IPC分类号： B29C55/08 ; B29D7/01 ; B29C41/26
摘要：
Biaxially oriented cellulosic film is produced by stretching in sequence in one direction and then the other a web (20) of a solution of cellulosic material which is cast onto an extensible surface (3) to which the web adheres, and the film is stretched in at least one direction by stretching the extensible surface.
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