Title:
DECOMPRESSION CHAMBER, CAST COOLING DEVICE, RESIN SHEET MANUFACTURING DEVICE, AND RESIN SHEET MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2020037235
Kind Code:
A
Abstract:
To enable a production of a resin sheet having enhanced durability of a sealing material for maintaining airtightness and having few defects, in a cast cooling device using a cooling roll and a decompression chamber in combination, in a device for manufacturing resin sheets such as microporous polyolefin resin sheets.SOLUTION: In a decompression chamber used so as to cover a part of a surface of a roll, a seal member made of a flexible resin film is provided at one of ends of the roll in a circumferential direction in a region covering the roll.SELECTED DRAWING: Figure 4
Inventors:
HASEGAWA TADASHI
Application Number:
JP2018165954A
Publication Date:
March 12, 2020
Filing Date:
September 05, 2018
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
B29C48/88; B29C48/92
Domestic Patent References:
| JP2002036336A | 2002-02-05 | |||
| JP2000334811A | 2000-12-05 | |||
| JPH09169055A | 1997-06-30 |
Foreign References:
| WO2016125526A1 | 2016-08-11 |