Gasket
AssigneeIshikawa Gasket Co., Ltd.
InventorKisho Yasuda
Life of this patent
Estimating the term…
Abstract
A gasket includes: a metal plate portion having a sealing target hole and a fastening hole; and a coating layer applied to a surface of the metal plate portion. The coating layer includes a rubber layer and a lubricating layer having a lower coefficient of friction than the surface of the metal plate portion. In the coating layer on a part of the surface of the metal plate portion that includes at least a periphery of the sealing target hole, the rubber layer and the lubricating layer are laminated and the lubricating layer is arranged on a surface layer of the coating layer. In the coating layer on a periphery of the fastening hole, the rubber layer is laminated and the rubber layer is arranged on a surface layer of the coating layer.
Claims6
A gasket comprising:
- a metal plate portion having a sealing target hole and a fastening hole;
- and
- a coating layer applied to a surface of the metal plate portion,
- wherein the coating layer includes a rubber layer and a lubricating layer having a lower coefficient of friction than the surface of the metal plate portion, and
- wherein in the coating layer on a part of the surface of the metal plate portion that includes at least a periphery of the sealing target hole, the rubber layer and the lubricating layer are laminated and the lubricating layer is arranged as an outer surface of the coating layer, the outer surface of the coating layer being opposite an inner surface of the coating layer facing the surface of the metal plate portion, and
- wherein in the coating layer on a part of the surface of the metal plate portion that includes a periphery of the fastening hole, the rubber layer is laminated and the lubricating layer is omitted so that the rubber layer is arranged as the outer surface of the coating layer.
Dependencies are inferred from the claim text.