Patent ID: 7138081

Claim:
A method for fabricating a seal-integrated separator for a fuel cell, said seal-integrated separator including a separator body having a communication port, and seals which are integrated on both sides of said separator body and which are disposed around one of a reaction surface of an electrode during use and around said communication port, comprising the steps of: providing an upper mold having a first groove positioned corresponding to said seal disposed on one side of said separator body and having at least one gate, and a lower mold having a second groove positioned corresponding to said seal disposed on the other side of said separator body and having at least one gate, the first groove being separate from the second groove; holding said separator body between said upper mold and said lower mold; and injecting melted seal material to form said seals into each of said grooves in said upper mold and said lower mold through said gates respectively formed in said upper and lower molds, wherein said gate formed in one of said upper and lower molds communicates with said gate formed in the other of said molds via mating surfaces of said molds by a runner branching from said gate formed in the other of said molds.