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. 19, 1988
Filed:
Oct. 27, 1986
Applicant:
Inventor:
Siegfried Gugel, Mohrendorf, DE;
Assignee:
Kraftwerk Union AG, Mulheim, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
228219 ; 228 20 ; 228200 ; 219 617 ; 219-85 ; 29463 ; 2395903 ; 239488 ;
Abstract
Method for flushing the inside surface of a pipe in the vicinity of a welded seam, where a flushing gas is fed to the pipe with laminar flow, characterized by the feature that the laminar flow in the pipe is transformed into a turbulent flow in front of the welded seam.