Patent ID: 7799484

Claim:
A gasket comprising: two sheet-shaped gasket mounting members, each of said two sheet-shaped gasket mounting members including a resin film and an adhesive agent layer, and a gasket main body including two separate portions made of a rubber elastic, said two separate portions of said gasket main body being attached to said sheet-shaped gasket mounting members to cover outer peripheral edges of said sheet-shaped mounting members, and said two separate portions of said gasket main body being substantially co-extensive on sides of said sheet-shaped gasket mounting members, said two separate portions of said gasket main body and said two sheet-shaped gasket mounting members being mounted to a mating mounting member by a sticking function of an exposed portion of said adhesive agent layers of said sheet-shaped gasket mounting members, said mating mounting member being an electrolyte membrane corresponding to a reaction electrode portion, and a first surface of each of said two separate portions of said gasket main body being opposed to a second surface of each of said two separate portions of said gasket main body, each of said second surfaces being attached to said mating mounting member and each of said first surfaces having a projecting seal lip portion.