Lightweight composite material

Details Lightweight composite material Lightweight composite material

1988-11-25

1990-10-30

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

427370, 427373, 428109, 428114, 428131, 428224, 428232, 428294, 4283044, 428408, 428902, 428297, 428137, B32B 512

Patent

active

049668013

ABSTRACT:
A lightweight composite material is disclosed which comprises three-dimensionally arranged fibers of at least 50 mm length provided in a thermoplast matrix. The thermoplast matrix is thermally treated to form cavities within the matrix.

REFERENCES:
patent: 4470238 (1984-09-01), Maistre
patent: 4686134 (1987-08-01), Ono
patent: 4777069 (1988-10-01), Cederberg et al.

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