Compressed light filler material for reinforced duroplastic comp

Details Compressed light filler material for reinforced duroplastic comp Compressed light filler material for reinforced duroplastic comp

1995-11-14

1997-12-16

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including stitching and discrete fastener, coating or bond

4283084, 4283115, 4283179, 428402, 428902, B32B 306

Patent

active

056982895

ABSTRACT:
Light filler material consists of a bonded, woven or knitted, short- or long-fibered material web into which thermoplastic hollow microglobes are embedded. This voluminized fiber web is compressed by means of a sewing or stitch-bonding process with the aid of pre-tensioned sewing threads. In the process, the hollow spaces between the voluminized microglobes are reduced in an exactly calculable form by the adjustable thread tension.

REFERENCES:
patent: 4935294 (1990-06-01), Misevich et al.
patent: 5571592 (1996-11-01), McGregor et al.

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