Patent ID: 6220606
Filing Date: 2001-04-24
Classification: F16J

Abstract:
A laminate-type metallic gasket comprising adjacent combustion chamber holes (A, A), a pair of beads (3, 4) each made of an elastic metallic plate with a bead (1) formed along each of said combustion chamber holes (A, A), and first and second (6, 8) intermediate plates disposed between said beads (3, 4,) with which peak portions of said beads (1) are respectively in symmetrical contact, one of said plates (6) having steps (9) formed along peripheral edge portions (7) on the combustion chamber holes (A, A) and the other of said plates (8) having a thickness less than that of said one plate (6), said other plate (8) being disposed upon an outer surface of a convex (10) defined by the steps (9), and edge portions (11) of said other plate (8) being folded back into and between said other plate (8) and said edge portion (7) of said one plate (6) to form together with said one plate (6) a compensating portion (12) having a thickness larger than the total thickness of said plates (6, 8) at a portion where the peak portions of the beads (1) are respectively in contact with said one plate (6) and said other plate (8).