B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/120, 154/135
B32B 3/12 (2006.01) B32B 5/26 (2006.01) B32B 5/28 (2006.01) B32B 27/12 (2006.01) D03D 11/00 (2006.01)
Patent
CA 1286588
WOVEN FABRIC HAVING MULTI-LAYER STRUCTURE AND COMPOSITE MATERIAL COMPRISING THE WOVEN FABRIC ABSTRACT OF THE DISCLOSURE Disclosed is a woven fabric having a plurality of fabric layers which are integrated through combined portions formed by interlacing warps or wefts of one of adjacent layers or some of warps or wefts of said one layer and warps or wefts of the other layer or some of warps or wefts of said other layer with common wefts or warps, wherein a set of adjacent four layers comprises recurring structural units comprising (A) a part having one combined portion formed by intermediate two layers, (B) a first non-combined part having no combined portion, (C) a part having two combined portions formed by subsequent two layers, respectively, and (B) a second non-combined part having no combined portion. A honey- comb structure having cells of a shape of tetragons, hexagons or a combination thereof is formed among the entire layers when the multi-layer fabric is expanded. 40 - 100 wt. % of the fibers constituting the fabric are organic fibers which are infusible or have a melting point of at least 300°C and have an initial modulus of at least 250 g/d, and 0 - 60 wt.% of the fibers consti- tuting the fabric are inorganic fibers or metal fibers. A composite material comprising the multi-layer fabric as a reinforcer and a thermoplastic resin as a matrix has good mechanical strengths and thermal resistance and is valuable, e.g., as a structural material for an aircraft.
562970
Sato Eiji
Takenaka Koji
Asahi Kasei Kogyo Kabushiki Kaisha
Goudreau Gage Dubuc
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