A set of molding dies, molding structure, and molding...

Details A set of molding dies, molding structure, and molding... A set of molding dies, molding structure, and molding...

H - Electricity

01

M

H01M 2/14 (2006.01) B29C 33/42 (2006.01) B29C 43/02 (2006.01) B29C 43/36 (2006.01) H01M 8/00 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2317301

To produce a fuel-cell separator formed with a plurality of protuberances on its base plate, a lower die is assembled by stacking a plate in intimate contact with a lower-die base with a mirror-finished surface, the plate having a plurality of through holes extended therethrough and a uniform thickness . A side frame is stacked on the lower die to charge a molding material therein. Then, the material is heated and compressed with an upper die to mold an article with protuberances having a constant height and a constant flatness at their top surfaces.

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