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:
Jun. 06, 2023
Filed:
Apr. 23, 2020
Applicant:
Liebherr-france Sas, Colmar, FR;
Inventor:
Pascal Fritsch, Artzenheim, FR;
Assignee:
Liebherr-France SAS, Colmar, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 31/02 (2006.01); B23K 101/04 (2006.01); B23K 101/06 (2006.01);
U.S. Cl.
CPC ...
B23K 31/027 (2013.01); B23K 2101/04 (2018.08); B23K 2101/06 (2018.08);
Abstract
The invention relates to a method of manufacturing a pipe having a connecting flange, wherein the flange part is welded to an end face pipe end and at least one protrusion of the pipe or of the flange part is provided in the region of the flange hub and contacts the inner wall of the other part on the joining together of the pipe and the flange part to cover the formed weld joint to the pipe interior; and wherein finally the pipe and the flange part are welded to one another.