(19)
(11) EP 4 196 310 A1

(12)

(43) Date of publication:
21.06.2023 Bulletin 2023/25

(21) Application number: 21856617.2

(22) Date of filing: 11.08.2021
(51) International Patent Classification (IPC): 
B23K 20/10(2006.01)
B29C 65/08(2006.01)
(52) Cooperative Patent Classification (CPC):
B23K 20/10; H01M 50/536; H01M 50/516
(86) International application number:
PCT/US2021/045475
(87) International publication number:
WO 2022/035924 (17.02.2022 Gazette 2022/07)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 12.08.2020 US 202063064423 P
03.05.2021 US 202163183204 P

(71) Applicant: Tech-Sonic, Inc.
Columbus, Ohio 43235 (US)

(72) Inventors:
  • CYPHERT, David, Lee
    Winchester, OH 43110 (US)
  • OU, Byoung, Soo
    Dublin, OH 43016 (US)
  • SMITH, Jason, E.
    Powell, OH 43065 (US)

(74) Representative: Lecomte & Partners 
76-78, rue de Merl
2146 Luxembourg
2146 Luxembourg (LU)

   


(54) SELF LEVELING STACK ASSEMBLY WITH FRONT-LOADED AMPLITUDE UNIFORM ULTRASONIC WELDING HORN