Metal gasket assembly with full beads, half beads, and shims
AssigneeNippon Leakless Industry Co., Ltd.
InventorsAkira Tanaka, Masamichi Hoshi
Life of this patent
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Abstract
A metal gasket assembly for a cylinder head includes a metal substrate having a predetermined shape with apertures including cylinder openings, bolt holes, coolant openings and lubricant openings. The metal substrate is further provided with half-beads in regions adjacent to the cylinder openings and full-beads in regions therearound. Ring-shaped shims are attached to the metal substrate so that they come into contact with the half-beads on a substrate surface where bulges of the full-beads are not situated.
Claims2
A metal gasket for a cylinder head, comprising a metal substrate having a predetermined shape with apertures including cylinder openings, bolt holes, coolant openings and lubricant openings, said metal substrate being provided with half-beads, in regions adjacent to the cylinder openings and full-beads in regions there around;
- said half-beads and full-beads all projecting in a first direction from a first side of said metal substrate, and ring shaped shims attached to a second side of said metal substrate and disposed within said half-beads.
Dependencies are inferred from the claim text.