Patent ID: 7226635

Claim:
A method for coating a sealant on a separator for a fuel cell, in which a liquid sealant is coated at a periphery of a gas flow path and a water flow path of the separator by using sealant coating means which comprises a motor, sealant extruding means driven by the motor, and a nozzle portion provided at a distal end of the sealant extruding means, the method comprising the steps of: forming a sealing groove in the separator; and, coating the sealing groove with the sealant; wherein widths of the sealing groove at coating-start portion and coating-end portion of the sealant are made to be greater than widths of portions other than the sealant coating-start portion and the sealant coating-end portion, and the sealant coating-start portion and the sealant coating-end portion intersect at a place where the width of the sealing groove is greater.