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:
Apr. 20, 2021
Filed:
Sep. 24, 2019
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Pei-chung Wang, Troy, MI (US);
Tae Hwa Lee, Ann Arbor, MI (US);
Bradley J. Blaski, Sterling Heights, MI (US);
Assignee:
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/10 (2006.01); B29C 65/08 (2006.01); B23K 101/36 (2006.01);
U.S. Cl.
CPC ...
B23K 20/106 (2013.01); B29C 65/08 (2013.01); B23K 2101/36 (2018.08);
Abstract
Apparatus are provided for ultrasonic welding of a workpiece of one or more components. The apparatus includes a horn configured to contact the workpiece and to transmit energy to the workpiece. The horn includes a shank and a tip disposed at an end of the shank facing the workpiece. The tip has a face that has a tip radius forming a curved surface at the face. A knurl is formed on the face across the curved surface.