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. 13, 1984
Filed:
Mar. 26, 1984
Kenichiro Ishitani, Tokyo, JP;
Toshiharu Hamasaki, Nagasaki, JP;
Shoji Shiomi, Saitama, JP;
Eiichi Kawamura, Saitama, JP;
Mitsubishi Jukogyo Kabushiki Kaisha, Tokyo, JP;
Eagle Industry Co., Ltd., Tokyo, JP;
Abstract
A stern tube seal device wherein an annular case member is arranged in the outer periphery of a shaft, a gap between both the members is sealed in multiple stage by using a plurality of seal members such as a segment seal member, a lip seal member and the like, and pressure gas is fed at the rear of the segment seal member which forms one of these seal members to enhance a seal effect by pressure of the gas.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile