Patent ID: 8807573

Claim:
An annular metal gasket for sealing a space between members by being pressed in the vertical direction in a state of being mounted between the members, the metal gasket comprising an annular outer ring having a substantially C-shaped cross-section and having a circumferential-direction opening formed therein; and an annular inner ring fitted inside the outer ring, wherein the inner ring is formed so as to have a polygonal cross-section comprising: an upper corner part that makes contact with an upper side of an inside surface of the outer ring; a lower corner part that makes contact with a lower side of the inside surface of the outer ring; an inner-circumference-side corner part formed on an inner-circumference side of the inner ring so as to be positioned between the upper corner part and the lower corner part; and an outer-circumference-side corner part formed on an outer-circumference side of the inner ring so as to be positioned between the upper corner part and the lower corner part, and a plurality of first bend parts having an inner angle larger than 180° are formed between the upper corner part and the inner-and outer-circumference-side corner parts; and between the lower corner part and the inner-and outer-circumference-side corner parts.