发明名称 |
Unit for production of tubular resin film |
摘要 |
A manufacturing apparatus is provided for manufacturing a tubular resin film of high quality and little thickness variations, which is stretched and given an orientation, and suitable as retardation film or the like. It comprises a stretching section (6) for stretching the tubular resin film (20), and a maintaining section (7) for maintaining a shape of said tubular resin film (20) stretched. Further, said stretching section (6) is arranged to apply a stretching force to said tubular resin film for longitudinally and/or circumferentially stretching said tubular resin film (20). <IMAGE> |
申请公布号 |
EP1595686(A1) |
申请公布日期 |
2005.11.16 |
申请号 |
EP20030786257 |
申请日期 |
2003.12.24 |
申请人 |
SUMITOMO BAKELITE CO., LTD. |
发明人 |
YOSHIDA, SHINGO;AKAZAWA, SEIGOU;MARUYAMA, TOYOTARO;TAKEUCHI, TAKESHI;FURUHARA, SHIGEYOSHI;IKENAGA, MASANORI;NAKAO, TOSHIO |
分类号 |
B29C47/20;B29C47/90;B29C47/00;B29C55/22;B29C55/24;B29C55/26;B29L7/00;B29L23/00 |
主分类号 |
B29C47/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|