公开(公告)号：US12070815B2

公开(公告)日：2024-08-27

申请号：US17756671

申请日：2020-11-30

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Peihui Zhang ,  Ronald W. Gerdes ,  Jennifer L Trice ,  Satinder K. Nayar ,  Timothy J. Rowell ,  Verlin W. Schelhaas ,  Donald S. Oblak

IPC: B23K1/00 ,  B23K20/10

CPC classification number: B23K20/106

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.