Patent ID: 7883095
Filing Date: 2011-02-08
Classification: F01N,F16L,Y10T

Abstract:
1. An annular seal member for use in a spherical exhaust pipe joint provided with a sliding surface for slidably moving the spherical exhaust pipe joint, in which the sliding surface is an inner peripheral surface or an outer peripheral surface of the annular seal member, said annular seal member comprising: an annular mesh structural body including a compressed wire mesh; and a heat-resistant sheet member which is compressed so as to be integrally formed with said compressed wire mesh, wherein at least a part of said compressed wire mesh is arranged so as to be exposed from the sliding surface, and has a dispersive plating layer in which at least one kind of particle is dispersed in a metal matrix material, said at least one kind of particle being selected from a group consisting of fluorine resin particles, boron nitride particles, molybdenum disulfide particles, and silicon carbide particles, and said metal matrix material being selected from a group consisting of nickel, nickel-based alloy, iron, and iron-based alloy.