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. 05, 1983
Filed:
Jan. 23, 1980
Applicant:
Inventors:
Helmut Huhn, Walsrode, DE;
Siegfried Kaiser, Walsrode, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
1381181 ; 138120 ; 285293 ; 285370 ; 285397 ; 285D / ;
Abstract
Coupled tubular casings are obtained by placing a coupling piece, preferably a multilayered foil, on the inside of and overlapping two adjacent ends of tubular casings to be coupled and whose adjacent edges make an angle of 10.degree. to 80.degree. with the envisaged axis of the tubular casing, and sealing it.