Chopped carbon fiber preform processing method using coal...

Details Chopped carbon fiber preform processing method using coal... Chopped carbon fiber preform processing method using coal...

B - Operations, Transporting

29

C

B29C 43/04 (2006.01) B29C 43/34 (2006.01) B29C 43/56 (2006.01) B29C 70/42 (2006.01) B29C 70/88 (2006.01)

Patent

CA 2527724

A procedure for forming a chopped fiber preform using a coal tar pitch binder and the product thereof by providing removable inside and outside sleeves (16, 18) on a mold pan (12), and distributing chopped carbon fibers (20) throughout the mold pan (12) and sleeves (16, 18) to a specified depth. The fibers (20) are pressed and a vacuum is pulled prior to introducing the coal tar pitch binder, and additional pressure is provided to form the desired product.

L'invention concerne un procédé de formation d'une préforme de fibres de carbone coupées qui fait intervenir un liant de brai de houille, ainsi que le produit obtenu.

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