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:
Nov. 14, 2017
Filed:
Jul. 23, 2008
Applicant:
Hermann Stahl, Steinheim, DE;
Inventor:
Hermann Stahl, Steinheim, DE;
Assignee:
CARL FREUDENBERG KG, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/00 (2014.01); F16J 15/3252 (2016.01); B23K 26/38 (2014.01); F16J 15/328 (2016.01); B23K 26/262 (2014.01);
U.S. Cl.
CPC ...
F16J 15/3252 (2013.01); B23K 26/262 (2015.10); B23K 26/38 (2013.01); F16J 15/328 (2013.01);
Abstract
A method for producing a sealing ring comprises cutting a sheet-metal strip to a length of a ring circumference using laser cutting; forming the sheet-metal strip into a ring shape having first and second mutually contacting edge surfaces; and joining the first and second mutually contacting edges using laser welding so as to form a substance-to-substance bond.