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.

Date of Patent:
Feb. 02, 2021

Filed:

May. 12, 2017
Applicant:

Nippon Valqua Industries, Ltd., Tokyo, JP;

Inventors:

Mitsuru Minami, Gojo, JP;

Akira Ueda, Gojo, JP;

Jyunichi Yamashita, Gojo, JP;

Akihiro Nagano, Gojo, JP;

Katsuhisa Umeda, Gojo, JP;

Assignee:

VALQUA, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01); F16J 15/3272 (2016.01);
U.S. Cl.
CPC ...
F16J 15/3488 (2013.01); F16J 15/3272 (2013.01);
Abstract

A split seal ring includes: an annular main body seal split partially in a circumferential direction; and abutment surfaces provided on split surfaces of the main body seal so as to be joined to each other. Each of the abutment surfaces includes: a first inclined surface extending in a direction intersecting with the circumferential direction; a first horizontal surface extending from one end side of the first inclined surface along the circumferential direction; and a second inclined surface extending from an end of the first horizontal surface opposite to the first inclined surface in the direction intersecting with the circumferential direction. With this configuration, there can be provided a split seal ring having a structure that can improve the sealing performance.


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