Reinforcement preform of knitted fibres

Details Reinforcement preform of knitted fibres Reinforcement preform of knitted fibres

1991-12-19

1994-07-19

Withers, James D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including stitching and discrete fastener, coating or bond

66169R, 66170, 428133, 428136, 428245, 428253, 4285428, D04B 100, B32B 310, B32B 306, B29B 700

Patent

active

053308182

ABSTRACT:
Reinforcement preform of knitted fibers for a carbon or the like component such as an airfoil guide vane. A junction between adjacent sections of the finished article of the preform is formed with a buttonhole. In assembly, the reinforcement for one of the sections is passed through the buttonhole. In this way stresses can be better transmitted to a base section with reduced risk of tearing or delamination.

REFERENCES:
patent: 204441 (1878-06-01), Marshall
patent: 781082 (1905-01-01), Morris
patent: 1597757 (1926-08-01), Berger
patent: 2107946 (1938-02-01), Inman
patent: 2615564 (1952-10-01), Post
patent: 3319866 (1967-05-01), Kitchell
patent: 3846218 (1974-11-01), Wootten
patent: 4022035 (1977-05-01), Lonati
patent: 4664961 (1987-05-01), Vees et al.
Sharkey, J., "The production of aircraft structures using resin transfer moulding with Courtaulds knitted preform techology", I. Mech. E. Aerotech '89, Aerospace Manufacturing Technologies, Oct. 31, 1989.

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