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:
Feb. 23, 2010
Filed:
Sep. 21, 2004
Applicants:
Takanori Yamauchi, Takasago, JP;
Yasuo Manabe, Takasago, JP;
Takeo Nishimoto, Takasago, JP;
Inventors:
Assignee:
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Kobe-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a self-tightening type sealing device according to the present invention, not only a sealing member is tightened by an internal pressure, but also a tightening force imparting device which tightens the sealing member separately from the internal pressure is provided so as to be remotely operable by a controller. This construction remedies drawbacks involved in manual operation of the tightening force imparting device.