US 12,076,937 B2
Method for evaluating an assembly by welding of parts based on thermoplastic materials
Aurélien Philippe, Volstroff (FR); Philippe Klein, Rouhling (FR); and Michel Glotin, Saint Cloud (FR)
Assigned to ARKEMA FRANCE, Colombes (FR); and INSTITUT DE SOUDURE, Villepinte (FR)
Appl. No. 17/780,317
Filed by ARKEMA FRANCE, Colombes (FR); and INSTITUT DE SOUDURE, Villepinte (FR)
PCT Filed Nov. 25, 2020, PCT No. PCT/FR2020/052175
§ 371(c)(1), (2) Date May 26, 2022,
PCT Pub. No. WO2021/105614, PCT Pub. Date Jun. 3, 2021.
Claims priority of application No. 1913344 (FR), filed on Nov. 27, 2019.
Prior Publication US 2022/0410500 A1, Dec. 29, 2022
Int. Cl. B29C 65/02 (2006.01); B29C 65/00 (2006.01); B29C 65/14 (2006.01); B29C 65/16 (2006.01); B29C 65/26 (2006.01); B29C 65/32 (2006.01); B29C 65/36 (2006.01); B29C 65/82 (2006.01); G01N 1/44 (2006.01); B29K 101/12 (2006.01); G01N 1/28 (2006.01)
CPC B29C 65/8261 (2013.01) [B29C 65/1432 (2013.01); B29C 65/16 (2013.01); B29C 65/26 (2013.01); B29C 65/32 (2013.01); B29C 65/3604 (2013.01); B29C 65/8253 (2013.01); B29C 66/91221 (2013.01); B29C 66/91216 (2013.01); B29C 66/963 (2013.01); B29C 66/964 (2013.01); B29K 2101/12 (2013.01); G01N 2001/2893 (2013.01); G01N 1/44 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method for evaluating parameters of a method for assembly by welding, comprising:
providing a test piece comprising at least two parts comprising thermoplastic materials; wherein at least one of the at least two parts is a perforated reference part comprising at least one perforation configured to allow for measurement of an internal temperature of the test piece;
providing a welding installation comprising at least one heating element and at least one temperature sensor;
heating a welding area of the at least two parts with the at least one heating element to cause welding; and
measuring at least one internal temperature of the welding area at a level of the at least one perforation by means of the at least one temperature sensor;
wherein the heating element and the at least one temperature sensor move in a welding direction D relative to the at least two parts during welding.