Patent ID: 8764023

Claim:
A gasket which is mounted to a mounting groove provided in one member of two members which are opposed to each other so as to be brought into pressure contact with and pinched with respect to another member, and is made of an elastic material, said gasket being constructed by a body section which is inserted to said mounting groove, one support protrusion which comes into contact with a bottom portion provided in one end side in a width direction of said body section in the bottom portion side of said mounting groove of said body section, and a lip protrusion which is provided in a side facing to said another member of said body section and a leading end portion of said lip protrusion is approximately aligned with a center portion in the width direction of said body section, wherein a gap exists between the another end side in the width direction of said body section and said bottom portion in a stage before said gasket is embedded, and said body section displaces in such a manner as to be inclined to said gap side around said one support protrusion as a supporting point in a stage in which said gasket is embedded.