Title:
FLEXIBLE PIPE MATERIAL, METHOD FOR MANUFACTURING THE SAME AND SOUND ABSORPTION PIPE MATERIAL MADE OF FLEXIBLE MATERIAL
Document Type and Number:
Japanese Patent JP2014129838
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a flexible pipe material which is excellent in flexibility and elasticity, is excellent also in dimension stability, has a light weight, has easy handleability, can be molded in a long size, can retain strength characteristics even into a long term outdoor use, further, does not generate toxic gas upon burning and is suitable for an inner pipe of sound absorbing pipe material and the like, to provide a method for manufacturing the flexible pipe material and, in addition, to provide a sound absorbing material which is made of the flexible pipe material and is excellent in sound absorbing characteristics.SOLUTION: A flexible pipe material comprises a resin hard ore material 4 and a belt-like body 1. The resin hard core material and the belt-like body are integrally melted. Therein, any of the following (1) to (3) is satisfied: (1) either of the resin hard core material 4 and the belt-like body 1 is spirally wound; (2) the resin hard core material is made of olefin type resin and/or polyester type resin; and (3) the belt-like body is non-woven fabric having the core part made of polyester resin and the sheath part is made of core sheath type fiber of a lower melting point resin than the polyester resin.
Inventors:
FUJITA AKIRA
FUJITA HIROAKI
MURASE HIDEKI
FUJITA HIROAKI
MURASE HIDEKI
Application Number:
JP2012287364A
Publication Date:
July 10, 2014
Filing Date:
December 28, 2012
Export Citation:
Assignee:
KURARAY PLASTICS CO
International Classes:
F16L11/16; B29D23/00; F16L11/10; F16L11/12
Domestic Patent References:
| JP2004144452A | 2004-05-20 | |||
| JPS6053231B2 | 1985-11-25 | |||
| JP2000028083A | 2000-01-25 | |||
| JPS5273979A | 1977-06-21 | |||
| JPH0460292A | 1992-02-26 | |||
| JPH03275215A | 1991-12-05 | |||
| JP2008267690A | 2008-11-06 | |||
| JP2008281276A | 2008-11-20 |