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Patent Searching and Data


Title:
ROLLER AND PRODUCTION PROCESS OF PLASTIC FILM USING THE SAME
Document Type and Number:
Japanese Patent JP2008230158
Kind Code:
A
Abstract:

To provide a sheet forming contact roller and a production process of plastic film using the same; wherein the roller has sufficient surface cooling effect, does not generate uneven thickness or a bank, can also tightly pinch central parts regardless of thickness increase in end sections due to neck-in, and further can serve a long-term use.

The roller is equipped with a shaft core, an elastic body layer coated on the periphery thereof, and a metal layer prepared on the periphery of the elastic body layer. A channel for circulating a fluid in the elastic body layer is prepared, and the distance between channels is shorter than twice the thickness of the metal layer.


Inventors:
MATSUMOTO TADASHI
TAKASHIMA NAOHIRO
Application Number:
JP2007076066A
Publication Date:
October 02, 2008
Filing Date:
March 23, 2007
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
B29C47/88; B29C47/08; B29C48/305; F16C13/00; B29C55/00; B29L7/00