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Title:
PRODUCTION OF THERMALLY MOLDABLE COMPOSITE FIBER MATERIAL
Document Type and Number:
Japanese Patent JPH0827654
Kind Code:
A
Abstract:

PURPOSE: To obtain a thermally moldable composite fiber material capable of producing an inorganic fiber mat having little variation of mechanical strength and especially improved flexural strength.

CONSTITUTION: This thermally moldable composite fiber material is produced by applying needle punching on an inorganic fiber mat and impregnating the punched inorganic fiber mat with a thermoplastic resin in a fused state. The needle punching is performed using the following needle: the diameter (D) of a blade 10 is 0.4-0.65mm; the total of kick-up height (H) and stroke depth (S) of a barb 11 is 0.02-0.18mm; and the space (L) between barbs 11 in the same line is 4-8mm.


Inventors:
Nishizawa, Kazuto
Shibata, Akira
Nakamura, Shoichi
Application Number:
JP1994000155736
Publication Date:
January 30, 1996
Filing Date:
July 07, 1994
Export Citation:
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Assignee:
SEKISUI CHEM CO LTD
International Classes:
D04H1/4209; D04H1/46; D04H1/488; D04H1/645; D04H18/00; D04H18/02; (IPC1-7): D04H1/48; D04H1/42; D04H1/46; D04H1/64; D04H18/00



 
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