Cylinder head gasket

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Patent

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Details

CPC

26/182, 277/66

IPC codes

F16J 15/08 (2006.01) B23P 15/00 (2006.01)

Type

Patent

Patent number

CA 2006347

Description

ABSTRACT CYLINDER HEAD GASKET A metal gasket comprises perforated metal sheets 11, 13, corrugated around at least 1 aperture and secured by an intervening layer 15 of adhesive extending across the corrugations. The peaks of the corrugations have elastomer layers 23. The corrugations preferably have a profile providing a hard right-angled junction between the corrugation and the plane sheet, and a relatively shallow intervening arc, causing the corrugation to collapse with a rolling action under compression. In a cylinder head gasket, the cylinder apertures are not provided with corrugations but shims 21 are provided between the gasket sheets around the cylinder apertures. The gaskets have been found to provide exceptionally reliable sealing in adverse circumstances. Figs. 1, 3, 5.

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