Method of making a pre-impregnated composite material

Details Method of making a pre-impregnated composite material Method of making a pre-impregnated composite material

B - Operations, Transporting

32

B

B32B 19/04 (2006.01) B29B 15/12 (2006.01) B29C 70/54 (2006.01) B32B 27/12 (2006.01) B32B 37/20 (2006.01)

Patent

CA 2089310

ABSTRACT OF THE DISCLOSURE The disclosure describes a method of making a pre-impregnated composite material of asbestos fibre weaving that comprises the steps of passing a bidirectionally woven asbestos fabric in a resin bath formed between a pair of impregnating rollers to form an impregnated sheet. Both faces of the latter is covered with a film of plastic material to form a laminated sheet which is then wound onto a roller. This laminated roll is left to mature and is then refrigerated prior to being used for subsequent moulding.

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