Title:
FELTING FOR BAG FILTER AND ITS PRODUCTION
Document Type and Number:
Japanese Patent JP3702499
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide felting excellent in filtering efficiency, dimensional stability and chemical resistance even when it is used at a high temp.
SOLUTION: This felting 1 consists of scrim 3 of fluorinated fibers and short fluorinated fibers 2 intertwisted with the scrim 3. It is produced by laminating a web of short fluorinecontg. fibers 2 on scrim 3 of fluorinated fibers and carrying out needle punching.
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Inventors:
Kiyoshi Aihara
Okazaki Osamu
Iori Nakabayashi
Okazaki Osamu
Iori Nakabayashi
Application Number:
JP21478295A
Publication Date:
October 05, 2005
Filing Date:
August 23, 1995
Export Citation:
Assignee:
TORAY INDUSTRIES,INC.
International Classes:
B01D39/16; B32B5/26; D01F6/12; D04H1/10; D04H1/4318; D04H5/02; D04H17/00; (IPC1-7): B01D39/16; B32B5/26; D01F6/12; D04H1/10; D04H1/42; D04H5/02; D04H17/00
Domestic Patent References:
JP5132839A | ||||
JP5245316A |
Foreign References:
US4031283 |
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