The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 2017
Filed:
Sep. 15, 2014
Surpass Industry Co., Ltd., Saitama, JP;
Kazuki Hirai, Saitama, JP;
SURPASS INDUSTRY CO., LTD., , JP;
Abstract
In the relief valve, an annular convex portionthat is convexed in a direction in which a valve elementmoves away from a valve holealong a center axis of the valve holeand that is arranged around the valve holeis formed in a valve chamber, an annular concave portionthat is concaved in the direction in which the valve elementmoves away from the valve holeis formed in the valve element, and in a shut-off state, the annular convex portionis accommodated in the annular concave portion, and an annular channelthat extends in a direction of the center axis is formed between an outer peripheral surfaceof the annular convex portionand an inner peripheral surfaceof the annular concave portion