Title:
MANDREL AND APPARATUS AND PROCESS FOR RESIN FILM PRODUCTION WITH MANDREL
Document Type and Number:
WIPO Patent Application WO/2006/077877
Kind Code:
A1
Abstract:
A production apparatus for stably producing from a thermoplastic resin a resin film product having a small and even film thickness, a smooth surface, and no mars. Also provided is a mandrel (7) which, in continuously producing a resin film in continuous form, is disposed close to or in contact with a surface of a running resin film and guides the film. It comprises a mandrel main body (71) having openings and a guide part (72) which comprises an elastic member attached to each opening (71a) and can protrude toward the resin film and withdraw.
Inventors:
TAKEUCHI TAKESHI (JP)
YOSHIDA SHINGO (JP)
YOSHIDA SHINGO (JP)
Application Number:
PCT/JP2006/300631
Publication Date:
July 27, 2006
Filing Date:
January 18, 2006
Export Citation:
Assignee:
SUMITOMO BAKELITE CO (JP)
TAKEUCHI TAKESHI (JP)
YOSHIDA SHINGO (JP)
TAKEUCHI TAKESHI (JP)
YOSHIDA SHINGO (JP)
International Classes:
B29C48/08; B29C48/10; B29C48/32; B29C48/90; B29C48/91; B29C55/22; B29C48/12; B29C48/355; B29L23/00
Domestic Patent References:
| WO2004067260A1 | 2004-08-12 |
Foreign References:
| JPH0419123A | 1992-01-23 | |||
| JPS5894433A | 1983-06-04 |
Other References:
See also references of EP 1857255A4
Attorney, Agent or Firm:
Kitamura, Shuichiro (Nakanoshima 2-chome Kita-k, Osaka-shi Osaka, JP)
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