PREPARATION OF TUBE LINING MATERIAL

Japanese Patent JP3790052

B2

PROBLEM TO BE SOLVED: To surely perform sealing of a sewing part by a simple work without bringing about generation of a pin hole.
SOLUTION: In a method for preparing a tube lining material prepd. by impregnating a tubular resin adsorbing material 1 the outer surface of which is covered with a highly hermetic plastic film with a curable resin, the surface of a belt-like resin adsorbing material 1 is fused with the plastic film 3 with a narrower width than that of the resin adsorbing material 1 by leaving sewing spaces on both ends in the width direction of the belt-like resin adsorbing material 1 and the resin adsorbing material 1 is folded so as to make the plastic film 3 on its outside to pile up together the end parts in its width direction and after the piled parts are lock-sewn and the resin adsorbing material 1 is processed into a tubular shape, a sewing protective tape 8 is fused or bonded on the sewing space part contg. the sewing part of the resin adsorbing material 1 and a hermetic ribbon tape 9 with a wider width than the sewing protective tape 8 is fused or bonded on the sewing protective tape 8 to process hermetically the sewing part.

Takao Kamiyama
Yasuhiro Yokoshima
Shigeru Endo
Hiroyuki Aoki

JP27217798A

June 28, 2006

September 25, 1998

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Shonan Plastic Co., Ltd.
Limited company Yokoshima
Get Inc.
All Co., Ltd.

B32B1/08; B29C63/36; B29C65/44; B29D23/00; B32B3/02; B32B7/08; B32B7/12; B32B27/04; F16L1/00; F16L55/16; F16L58/10; B29C53/38; B29C65/50; B29C65/62; B29L23/00; (IPC1-7): B32B1/08; B29C63/36; B32B3/02; B32B7/08; B32B7/12; B32B27/04; F16L1/00; F16L55/16; F16L58/10; //B29L23:00

JP10235736A
JP5162201A
JP10151673A
JP10246388A
JP9136368A
JP11235758A

Taku Kato
Ryoichi Yamashita

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