Process for continuously forming reinforced articles

Details Process for continuously forming reinforced articles Process for continuously forming reinforced articles

1989-09-25

1991-10-08

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264103, 264135, 264137, 264258, 264313, 264324, 264172, 264173, 156148, 156173, 156187, B29C 6306, B29C 6324

Patent

active

050552422

ABSTRACT:
A process for continuously forming reinforced articles (24) which includes producing a reinforcing material (13) having a plurality of superimposed layers (1-6), stitching together said layers (1-6), wetting said reinforcing material (13) with a matrix material (7, 8 or 19), forming the wetted reinforcing material and curing or consolidating the matrix material. Each layer (1-6) of the reinforcing material (13) includes a plurality of unidirectional non-woven yarns or threads (10) laid side-by-side, the yarns or threads (10) in at least some of the different layers (1-6) extending in different directions. Forming of the wetted reinforcing material may be effected by moulding, pultrusion or by wrapping wetted reinforcing material around a mandrel or former (25).

REFERENCES:
patent: 3506530 (1970-04-01), Crosby
patent: 3713931 (1973-01-01), Lerche-Svendsen
patent: 3756893 (1973-09-01), Smith
patent: 3919028 (1975-11-01), Lewis et al.
patent: 4042655 (1977-08-01), Platt et al.
patent: 4478771 (1984-10-01), Schreiber
patent: 4595438 (1986-06-01), Kent et al.
patent: 4752513 (1988-06-01), Rau et al.
patent: 4911973 (1990-03-01), Dunbar

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