Automotive trim with clear top coat and method of making same

Details Automotive trim with clear top coat and method of making same Automotive trim with clear top coat and method of making same

B - Operations, Transporting

29

C

B29C 45/14 (2006.01) B29C 51/14 (2006.01)

Patent

CA 2355244

An exterior automotive trim product, and method of making the same. In certain embodiments, a color pigmented thermoplastic layer (75) is provided. A transparent clear coat (77) is calendared to the color pigmented layer (75) to form a composite or laminate. The laminate is subsequently vacuum-formed into a three dimensional shape approximating the desired shape of a final trim product. The vacuum-formed laminate (91) is then inserted into an injection molding device, and semi-molten resin (119) injected into the mold cavity behind the laminate (91). The resin fuses with the vacuum-formed laminate (91) with the result being the final automotive trim product. Thus, no spray painting or spraying of solvents is required, and burdensome dry paint transfer techniques may be avoided.

L'invention concerne un produit destiné à une garniture automobile extérieure, ainsi qu'un procédé de fabrication associé. Dans certains modes de réalisation, on utilise une couche thermoplastique (75) colorée, à pigments. On dépose par calandrage une couche transparente (77) sur la couche colorée (75), afin de former un composite ou stratifié, auquel on donne ensuite une forme tridimensionnelle, sous vide, qui soit proche de la forme recherchée de la garniture finale. On insère ensuite le stratifié (91) formé sous vide dans un dispositif de moulage par injection, et on injecte dans la cavité du moule, derrière le stratifié (91), une résine semi-fondue, laquelle se scelle sur le stratifié (91), pour produire la garniture automobile finale. Ainsi, il n'est pas nécessaire de peindre au pistolet ou de vaporiser des solvants, et on évite la mise en oeuvre de techniques coûteuses de transfert de peinture à sec.

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