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:
May. 19, 1981
Filed:
Dec. 04, 1978
Applicant:
Inventors:
Siegfried Hanchen, Ostfildern, DE;
Hans D Fabrowsky, Neuhausen, DE;
Assignee:
Herbert Hanchen KG, Ostfildern, DE;
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 18 ; 285 84 ; 285320 ; 285364 ;
Abstract
A device for connecting the flanges of two pipelines including a series of radially equally spaced gripping dogs on one of the pipelines for gripping the flange on the other of the pipelines means for moving the gripping dogs axially and radially whereby the gripping dogs axially pull the flanges toward the other pipeline into sealing relationship.