US 2010/0140881 A1Published application

Sealing structure

AssigneeNok Corporation

InventorTakeshi Matsuo

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Abstract

A sealing structure having a gasket installed in an installation groove in one member. The gasket has a body section whose width is less than the width of the installation groove. On opposite ends, in the depth direction of the installation groove, there is provided a pair of seal surfaces that contact a surface of another member and the bottom of the installation groove. The bottom surface of the installation groove is a curve that is deepest at its center in the width direction of the groove. On the gasket body section, on the side corresponding to the bottom of the installation groove, there is formed a pair of groove bottom-side projections extending along the longitudinal direction of the gasket with the seal surface between the projections, projecting from opposite ends in the width direction of the body section, and coming into contact with the surface of the installation groove.

Claims5

Dependent claims

A sealing structure for sealing a clearance defined between two members with a gasket, in which the gasket is installed in an installation groove formed in one of the two members, and includes a body section whose widthwise dimension in the installation groove is smaller than a groove width of the installation groove and a pair of sealing surfaces in tight contact with the surface of the other of the two members and a bottom surface of the installation groove, respectively, at both ends of the body section in a depth direction of the installation groove;

the installation groove being formed into a curve in which the bottom surface is deepest at a center in a groove widthwise direction;
and
a pair of groove bottom side projections projecting from the body section toward both widthwise sides and abutting against the surfaces of the installation groove, being formed along the longitudinal direction of the gasket in such a position that the projections are near the groove bottom of the installation groove in the body section of the gasket and the sealing surface in tight contact with the groove bottom of the installation groove is positioned between the projections.

Dependencies are inferred from the claim text.