Patent ID: 9719459
Date: 2017-08-01
CPC Classifications: B23P,F02F,Y10T

Claim:
1. A sliding component for an internal combustion engine comprising: a sliding component main body that includes a plurality of concave portions formed in a predetermined portion thereof; and a coating layer that covers a portion of the sliding component main body, in which the plurality of concave portions are not formed, wherein the coating layer is provided in a portion of the sliding component main body, which corresponds to the plurality of concave portions, and the coating layer includes a plurality of hole portions which allow the surfaces of the plurality of concave portions to be exposed therethrough, respectively, and wherein an inner circumferential surface of the hole portion of the coating layer and an opening end edge of the concave portion of the sliding component main body have respective concentric circular shapes when seen in a direction in which a center line of the hole portion extends.