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:
Nov. 30, 2021
Filed:
May. 08, 2018
Applicant:
Eagle Industry Co., Ltd., Tokyo, JP;
Inventors:
Osamu Moriya, Tokyo, JP;
Akira Yoshino, Tokyo, JP;
Assignee:
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/34 (2006.01); F16J 15/36 (2006.01);
U.S. Cl.
CPC ...
F16J 15/3464 (2013.01); F16J 15/36 (2013.01);
Abstract
A mechanical seal in which a rotary ring can be more reliably positioned. A rotary ring unitincludes: a sleevefixed to a rotary shaft; and a rotary ringof which a movement in an axial direction and a rotation with respect to the sleeveis restricted, a fixed ring unitincludes: a fixed ringconfigured to slide on an end surface of the rotary ring; and a bellowswhich presses the fixed ringtoward the rotary ring, and the sleeveis provided with a stopperwhich restricts a movement of the rotary ringtoward the fixed ring