Patent ID: 6045139
Filing Date: 2000-04-04
Classification: F16J

Abstract:
A sealing system for a gasket, comprising:gasket attaching portions facing each other, each of said gasket attaching portions having a hole with an inner surface to be sealed and a flat surface portion around the hole, and being arranged such that said holes and flat surface portions face each other when the gasket attaching portions are assembled, at least one of said gasket attaching portions having a depression around the hole at an edge portion where the flat surface portion and the inner surface of the hole intersect, anda metal gasket including a main portion situated between the flat surface portions of the gasket attaching portions, and an enlarged hollow portion attached to the main portion and situated in the depression so that when the gasket is tightened between the gasket attaching portions, the enlarged hollow portion is disposed in the depression and compressed thereat to be pulled radially inwardly to a center of the exhaust hole to thereby securely seal around the holes of the gasket attaching portions.