Heat formed tpv co-extruded header trim

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 47/02 (2006.01) B29C 35/06 (2006.01) B29C 45/14 (2006.01) B29C 47/04 (2006.01) B29C 47/06 (2006.01) B29C 53/26 (2006.01)

Patent

CA 2584981

A method is provided for manufacturing an upper reveal that conforms to a curved portion of a window opening of a motor vehicle door frame. The upper reveal is formed from TPV and a carrier. The method includes the steps of: co- extruding the TPV with the carrier; curing the TPV to form the upper reveal; heating the upper reveal to a temperature greater than a heat deformation temperature of the TPV; and bending the upper reveal to conform to the curved portion of the window opening of the motor vehicle door frame.

L'invention concerne un procédé de fabrication d'un encadrement de vitre supérieur qui s'adapte aux contours d'une partie incurvée d'une ouverture de fenêtre du cadre de la portière d'un véhicule motorisé. L'encadrement de vitre supérieur est composé d'un élément en TPV et d'un support. Ce procédé consiste à: coextruder l'élément en TPV conjointement avec le support; vulcaniser l'élément en TPV pour former l'encadrement de vitre supérieur; porter l'encadrement de vitre supérieur à une température supérieure à la température de déformation thermique du TPV; en enfin, plier l'encadrement de vitre supérieur de manière à ce qu'il s'adapte aux contours de la partie incurvée de l'ouverture de la fenêtre du cadre de portière du véhicule motorisé.

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