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:
Aug. 27, 2024
Filed:
Nov. 30, 2020
3m Innovative Properties Company, St. Paul, MN (US);
Peihui Zhang, Woodbury, MN (US);
Ronald W. Gerdes, St. Paul, MN (US);
Jennifer L Trice, Hugo, MN (US);
Satinder K. Nayar, Woodbury, MN (US);
Timothy J. Rowell, St. Paul, MN (US);
Verlin W. Schelhaas, New Richmond, WI (US);
Donald S. Oblak, North St. Paul, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
A rotary acoustic horn. The rotary acoustic horn includes a shaft having an axial input end and an axial output end; and at least one welding portion; wherein the welding portion comprises an outer weld face that expands and contracts with the application of acoustic energy; wherein the welding portion comprises a first opposing end portion and a second opposing end portion; wherein the welding portion comprises through holes extending substantially along an axial direction of the welding portion from the first opposing end portion to the second opposing end portion; and wherein the through holes are located between the weld face and the shaft.