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:
Oct. 26, 2010
Filed:
May. 03, 2007
Takao Ohama, Takasago, JP;
Yasushi Amano, Takasago, JP;
Hajime Tsubono, Takasago, JP;
Kouji Akiyama, Tokyo, JP;
Hidekazu Takahashi, Tokyo, JP;
Takao Ohama, Takasago, JP;
Yasushi Amano, Takasago, JP;
Hajime Tsubono, Takasago, JP;
Kouji Akiyama, Tokyo, JP;
Hidekazu Takahashi, Tokyo, JP;
Kobe Steel, Ltd, Kobe-shi, JP;
Eagle Industry Co., Ltd., Tokyo, JP;
Abstract
A mechanical seal that prevents deposition of a degradation material generated on a sliding interface is to be provided. In a mechanical seal including a sleeve that rotates with a rotating shaft, a seal cover fixed to a housing, a rotating ring attached to the sleeve and a fixed ring attached to the seal cover and disposed in sliding-contact with the rotating ring via a sliding interface perpendicular to the rotating shaft scraping member is provided on the sleeve at a position close to an inner edge of the sliding interface so as to remove a degradation material from the inner edge of the sliding interface.