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:
Jan. 11, 2022
Filed:
Sep. 19, 2018
Eagle Industry Co., Ltd., Tokyo, JP;
Tadahiro Kimura, Tokyo, JP;
Hikaru Katori, Tokyo, JP;
Masatoshi Itadani, Tokyo, JP;
Takeshi Hosoe, Tokyo, JP;
Yasuhiro Ikeda, Tokyo, JP;
Tomoko Yamaki, Tokyo, JP;
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
Abstract
The purpose of the present invention is to provide a mechanical seal in which a stationary-side sealing ring can follow the movement of a rotating-side sealing ring to provide reliable sealing properties and by which the entire device can be made compact. A mechanical seal in which a rotating-side sealing ringattached to a shaftand a stationary-side sealing ringattached to a housingslide relative to each other and seal between the housingand the shaftincludes a casewhich is attached to the housingand which contains the stationary-side sealing ring, and a seal memberwhich is disposed between the caseand the stationary-side sealing ring, and the caseincludes a holding partwhich regulates the seal memberfrom moving to both sides in the axial direction thereof.