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. 03, 2023
Filed:
Dec. 27, 2017
Eagle Industry Co., Ltd., Tokyo, JP;
Masatoshi Itadani, Tokyo, JP;
Yuki Sasaki, Tokyo, JP;
Keiichi Chiba, Tokyo, JP;
Kenji Kiryu, Tokyo, JP;
Tetsuzo Okada, Tokyo, JP;
Abstract
In an exemplary embodiment, a mechanical seal for sealing a fluid flowing outwardly radially from sliding surfaces S where a stationary ringand a rotating ringslide against each other, includes: a bellowsinterposed between the stationary ringand a stationary wall; a case memberfor holding an outer cylindrical partof the bellowsto the stationary ring; and a holding memberfitted to an inner cylindrical partof the bellows, and having an axial length substantially equal to a length fitted to the inner cylindrical part, wherein the bellowshas a curved partbetween the outer cylindrical partand the inner cylindrical part, and the case memberis provided with a wall partcovering the entire periphery of the radial outer side of the curved part