Manufacture of carbon fibre preform

Details Manufacture of carbon fibre preform Manufacture of carbon fibre preform

1994-02-28

1997-02-04

Ahmad, Nasser

Stock material or miscellaneous articles

Circular sheet or circular blank

Frictional

28110, 28111, 28114, 28115, 28116, 28117, 188250C, 188251R, 188251A, 428 641, 428 666, 428408, 442402, B32B 302

Patent

active

055996035

ABSTRACT:
In a method of making a carbon fibre preform such as for use in the manufacture of a friction disc a compressible body of carbon fibre or carbon fibre precursor material is acted upon by compressing means to compress the body to a required thickness and then operated upon by means such as a barbed needle-punch needle for a stitching thread which penetrates substantially the whole thickness of the body whereby the compressed preform may be removed from action by the compressing means in a free-standing and compressed state. If the method uses carbon fibre precursor material, that is then subjected to carbonization.

REFERENCES:
patent: 3991248 (1976-11-01), Bauer
patent: 4396663 (1983-08-01), Mitchell et al.
patent: 4457055 (1984-07-01), Ambrose et al.
patent: 5145732 (1992-09-01), Kyutoku

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