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:
Sep. 06, 1983
Filed:
Dec. 19, 1980
Applicant:
Inventor:
Gunter Henn, Schrobenhausen, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 18 ; 285 96 ; 285106 ; 2853323 ;
Abstract
A detachable pipe joint of the type having conical male and female parts has a recess in one of the parts covered by an expansible hard material, the recess being connected with a hole to which a high pressure fluid can be applied so as to expand the hard covering and provide a firm joint.