Patent ID: 7063911

Claim:
A gasket for a fuel battery wherein a pair of parallel electrodes clamp an electrolyte membrane portion in between through the gasket that is secured in grooves formed in two opposing inner surfaces of the electrodes in the battery, the gasket comprises: a first gasket lip made of a liquid rubber hardened material and adapted to be secured in a groove formed in one of said electrodes, said first gasket lip including a base portion having a rectangular shape in cross section and adapted to fit in said one groove and a first sealing portion having a given shape in cross section and projected outward from said base portion; and a second gasket lip made of a liquid rubber hardened material and adapted to be secured in a groove formed in the other electrode, said second gasket lip including a base portion having a rectangular shape in cross section and adapted to fit in the groove in the other electrode and a second sealing portion having a given shape in cross section and projected outward from said base portion; wherein said first and second sealing portions are arranged to oppose each other in said fuel battery to clamp said electrolyte membrane portion in between; and wherein said first sealing portion has a chevron shape in cross section and said second sealing portion has a trapezoidal shape in cross section.