B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/16 (2006.01)
Patent
CA 2624012
A process for welding a first polymeric object (102) to second polymeric object (104) using laser radiation, wherein the first polymeric object is relatively transparent to the laser radiation and the second object is relatively opaque to the laser radiation, the first and the second objects each presenting a faying surface, the first object presenting an impinging surface (116) , opposite the faying surface thereof , the process comprising the steps of 1. bringing the faying surfaces of the first and second objects into physical contact so as to form a juncture there between and 2. irradiating the first and second objects with the laser radiation such that the laser radiation impinges the impinging surface (116) , passes through the first object and irradiates the faying surface of the second object', causing the first and second objects (102,104) to be welded at the juncture of the faying surfaces, wherein the second polymeric object is formed from a thermoplastic polymer composition comprising a material having voids.
L'invention concerne un procédé de soudage au laser d'objets comprenant les compositions polymères thermoplastiques comprenant un matériau présentant des vides.
Mori Hiroshi
Nakajima Katsuhiko
Nakamura Hideo
Nakatani Mitsunobu
Ueda Makiko
E.i. Du Pont de Nemours And Company
Torys Llp
Toyota Jidosha Kabushiki Kaisha
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