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Title:
LINING MATERIAL FOR DUCT
Document Type and Number:
Japanese Patent JP2009166440
Kind Code:
A
Abstract:

To provide a lining material for duct, for which a plurality of layers of a cylindrical fiber material are stacked and bonded, the bonded section of which does not locally become hard, and also, which does not obstruct the impregnation of a curable resin liquid through the bonded section.

This lining material 1 for duct consists of a plurality of cylindrical fiber materials 2a and 2b which are stacked by a plurality of layers, and at least one of the cylindrical fiber materials can be impregnated with the curable resin liquid. In the lining material 1 for duct, the cylindrical fiber material consists of a synthetic fiber whose melting point is 150C or less, and is partially weld-bonded through a non-woven fiber 5 whose basis weight is 50 to 150 g/m2.


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Inventors:
SESHIMO MASAHIRO
TSUZUKI HIROSHI
MASUNO KENICHI
Application Number:
JP2008009809A
Publication Date:
July 30, 2009
Filing Date:
January 18, 2008
Export Citation:
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Assignee:
ASHIMORI IND CO LTD
International Classes:
B29C63/34; F16L1/00; F16L58/10
Domestic Patent References:
JPH02219635A1990-09-03
Attorney, Agent or Firm:
Hero Takeyasu



 
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