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:
Apr. 29, 2008
Filed:
May. 20, 2004
Takashi Nakano, Takasago, JP;
Hirokazu Shirai, Takasago, JP;
Toshio Asada, Takasago, JP;
Shin Nishimoto, Takasago, JP;
Tanehiro Shinohara, Takasago, JP;
Hidekazu Uehara, Takasago, JP;
Takashi Nakano, Takasago, JP;
Hirokazu Shirai, Takasago, JP;
Toshio Asada, Takasago, JP;
Shin Nishimoto, Takasago, JP;
Tanehiro Shinohara, Takasago, JP;
Hidekazu Uehara, Takasago, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
A leaf seal as a shaft seal mechanism is made compact and enables reduction of manufacturing cost. Plural thin plateslapped one on another in layers have their outer circumferential proximal ends fixed to each other by welding so that an annular thin plate assemblyA having flexibility is formed. This thin plate assemblyA is bent and assembled to form the leaf seal