Methods for assembling prepreg stacks having exact weight...

Details Methods for assembling prepreg stacks having exact weight... Methods for assembling prepreg stacks having exact weight...

2002-08-14

2009-02-10

Lee, Edmund H. (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

C264S040400, C264S138000, C264S152000, C264S248000, C264S325000, C264S258000

Reexamination Certificate

active

07488437

ABSTRACT:
A method for manufacturing SMC components from an appropriately adapted amount of a fibrous reactive synthetic resin which is provided in the form of defined blanks of prepregs. The prepregs are placed in a defined position into a heated mold of a molding press, the heated resin/fiber mass is flow-molded in the closing mold to form the SMC component, said component is thermally cured and subsequently removed from the mold. Two different approaches are taken, one being intended for introducing the resin mass into the mold as multiple layers and the other for introducing the resin mass as a single layer.

REFERENCES:
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patent: 4666645 (1987-05-01), Prewo et al.
patent: 5045250 (1991-09-01), Brussel
patent: 5425834 (1995-06-01), Shinohara et al.
patent: 5453228 (1995-09-01), Bellettato
patent: 5817265 (1998-10-01), Gendreau
International Search Report , PCT/US02/09095, Oct. 31, 2002.

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