Patent ID: 9599225
Date: 2017-03-21
CPC Classifications: F16J,F16L

Claim:
1. A blocking configuration of an oil pressure circuit hole, comprising: a plug screwed together with an aperture end portion of the oil pressure circuit hole provided to a main body, the plug including: wherein the flange portion has a plate thickness in a longitudinal direction of the shaft portion, smaller than both of a height of the head portion, a height of the storage groove in the longitudinal direction and smaller than ¼ of the external diameter of the shaft portion, and the head portion has a circumscribed circle diameter equal to or less than an aperture of the oil pressure circuit hole, and the flange portion is configured to be pressed, in a state of elastically deformed, on an outer surface of the main body with a bearing surface of the flange portion, when the plug is screwed together with the aperture end portion of the oil pressure circuit hole.