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:
Jul. 24, 2001
Filed:
Feb. 29, 2000
Applicant:
Inventors:
Kenichi Goshima, Kasugai, JP;
Yoshihisa Sudo, Tokyo, JP;
Assignee:
CKD Corporation, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16L 4/100 ;
U.S. Cl.
CPC ...
F16L 4/100 ;
Abstract
A purge system has a purge gas piping system for substituting inert gas for process gas when a device connected in a process gas piping system is detached therefrom. In the purge system, a purge joint for connecting two pipes in the purge gas piping system is provided with an opening formed in alignment with the position where the two pipes are connected in the purge joint.