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. 30, 1991
Filed:
Oct. 05, 1989
Applicant:
Inventor:
Shigemitsu Nitta, Kakogawa, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 41 ; 2851331 ; 285224 ; 285227 ; 285229 ; 285351 ;
Abstract
The present invention relates to a pipe fitting device which connects pipes that flow a high temperature fluid such as engine exhaust gas. The device includes a first cylindrical block, a second cylindrical block and a follower ring disposed between a ring portion of the first cylindrical block and an edge member of an opening of a second cylindrical block. A spring pushes the follower ring to the second cylindrical block side. Flexible connection sleeves connect the flanges of the first cylindrical block and the second cylindrical block and through holes are drilled into the first and second cylindrical blocks.