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. 23, 1986
Filed:
Jul. 13, 1984
Applicant:
Inventor:
Hans-Martin Schmidtchen, Osnabrueck, DE;
Assignee:
Kabel- und Metallwerke Gutehoffnungshuette, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
285 53 ; 285 48 ; 285177 ; 285138 ; 285149 ; 285417 ; 174 / ;
Abstract
Two tube systems, each comprised of two or more concentrically arranged metal tubes, are positively and electrically conductive interconnected through a coupler sleeve system composed of a corresponding number of concentrically arranged coupler sleeves of slightly larger diameter such that ends of the sleeves of the coupler sleeves are threaded upon ends of the tubes of the tube systems to be interconnected.