Patent ID: 7677578

Claim:
A seal structure comprising: a first member including a first joint surface and a flat third joint surface forming a corner with the first joint surface; a second member joined with the first member, the second member including a second joint surface joined with the first joint surface of the first member, a flat fourth joint surface forming a corner with the second joint surface, and a recessed portion formed in the corner between the second and fourth joint surfaces; and a third member joined with the first and second members, the third member including a fifth joint surface joined, through a liquid seal, with the flat third joint surface of the first member and the flat fourth joint surface of the second member, the fifth joint surface including a flat region and a chamfered region which is recessed from the flat region of the fifth joint surface and which confronts the recessed portion of the second member, the fifth joint surface extending from a first lateral edge to a second lateral edge in a widthwise direction which is perpendicular to a joining direction of the fifth joint surface with the third and fourth joint surfaces, the chamfered region being formed along one of the first and second lateral edges, wherein the third member further includes a projecting portion projecting from the chamfered region of the third member toward a space formed by the recessed portion of the second member, wherein the first member includes a recessed portion formed in the corner between the first and third joint surfaces, and wherein a length of the projecting portion is smaller than a length of a space formed by the recessed portion of the first member and the recessed portion of the second member.