US 12,312,116 B2
Sealing element
Marcus Stein, Freital (DE); and Sascha Bach, Freital (DE)
Assigned to WATTTRON GmbH, Freital (DE)
Appl. No. 18/025,407
Filed by WATTTRON GmbH, Freital (DE)
PCT Filed Sep. 9, 2021, PCT No. PCT/EP2021/074867
§ 371(c)(1), (2) Date Mar. 9, 2023,
PCT Pub. No. WO2022/053586, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 10 2020 123 565.8 (DE), filed on Sep. 9, 2020.
Prior Publication US 2023/0330944 A1, Oct. 19, 2023
Int. Cl. B65B 51/14 (2006.01); B29C 65/30 (2006.01); B29C 65/82 (2006.01); B29L 31/00 (2006.01); B65B 51/10 (2006.01)
CPC B65B 51/14 (2013.01) [B29C 65/30 (2013.01); B29C 65/8276 (2013.01); B29L 2031/712 (2013.01); B65B 2051/105 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A sealing element for thermally connecting thermoplastic materials along an arcuate or arched contour, comprising:
a plurality of heating elements which each comprises a respective flat carrier substrate comprising a front side and a rear side, on the front side of which at least one heating circuit is arranged, the heating elements being arranged three-dimensionally so as to correspond to a three-dimensional contour to be sealed; and
at least one contour element comprising an arcuate or arched contour, said heating elements being arranged on the at least one contour element.