Curved, uniformly biased structural fiber forms

Details Curved, uniformly biased structural fiber forms Curved, uniformly biased structural fiber forms

1985-12-02

1987-07-21

Bell, James J.

Sewing

Elements

Frames

428102, 428105, 428408, 428902, D05B 100

Patent

active

046810498

ABSTRACT:
A process for forming a dry fiber form susceptible of being infused with a resin and molded to a fiber reinforced plastic structural article, wherein the fiber form in comprised of a structural fabric bearing plys of biased yarns, the bias of the yarns being maintained along the curvature of the fiber form, without wrinkling or buckling of the fiber form. The structural fabric is attached to a form bearing a shape-defining opening, and threads are sewn within the opening. The fabric is then removed from the form, and the ends of the fabrics are then sewn with more threads parallel to the first set of threads. Thereafter, the excess is trimmed away, and the resulting sewn fiber form may be infused with resin and molded into a structural article.

REFERENCES:
patent: 4325999 (1982-04-01), Campman et al.
patent: 4401495 (1983-08-01), McKinney
patent: 4416929 (1983-11-01), Krueger
patent: 4550045 (1985-10-01), Hutson

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