公开(公告)号：WO2021262001A1

公开(公告)日：2021-12-30

申请号：PCT/NL2021/050397

申请日：2021-06-23

Applicant: TECHNISCHE UNIVERSITEIT DELFT

Inventor： JONGBLOED, Bram Cornelius Petrus ,  VILLEGAS, Irene Fernandez ,  TEUWEN, Julie Jan Edouard

IPC: B29C65/08 ,  B29C65/82 ,  B29K81/00 ,  B29K63/00 ,  B29K105/08 ,  B29K307/04 ,  B29L31/30 ,  B29C65/8215 ,  B29C65/8253 ,  B29C66/0322 ,  B29C66/1122 ,  B29C66/3024 ,  B29C66/342 ,  B29C66/43 ,  B29C66/71 ,  B29C66/7212 ,  B29C66/72141 ,  B29C66/73921 ,  B29C66/73941 ,  B29C66/8122 ,  B29C66/81422 ,  B29C66/836 ,  B29C66/91221 ,  B29C66/91943 ,  B29C66/91951 ,  B29C66/92445 ,  B29C66/929 ,  B29C66/939 ,  B29C66/9517 ,  B29L2031/3076 ,  B29L2031/3097

Abstract: The invention provides a sonotrode (100) for welding a material, the sonotrode (100) comprising a welding section (110) configured for contacting the material, wherein the welding section (110) defines a rounded shape (111) in a cross-section parallel to a longitudinal axis (A) of the sonotrode (100), wherein the rounded shape (111) approximates a circular sector (20), wherein the circular sector (20) has a central angle αc selected from the range of 25º-300º, and wherein the circular sector (20) has a central radius rc selected from the range of 5-30 mm, and wherein the sonotrode (100) has a width W perpendicular to the longitudinal axis (A) [and to the cross-section], wherein W is selected from the range of 10 – 100 mm.