Headliner and method of manufacturing the same

B - Operations – Transporting – 60 – R

Patent

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Details

B60R 13/02 (2006.01)

Patent

CA 2413009

A headliner (10) for use with a motor vehicle including a combination of a chopped fiber roving (22) bonded between a non-woven film layer and a urethane core (14) to eliminate warpage in the headliner (10) after the molding and forming process is complete. The combination of stiffness and mechanical bond provides this effect.The combination may also include a polypropylene non- woven material (18) combined with a polyethylene film (20) to form a laminate top (12) and bottom layer (16). The chopped fiber roving (22) is randomly disposed between the laminate (21) and a urethane matrix (44) used to form a core (14) of the headliner (10) to provide the shape stability to the headliner (1).

Cette invention a trait à une garniture intérieure de pavillon (10), conçue pour un véhicule à moteur, constituée d'une combinaison de stratifil de fibres hachées (22) liaisonné entre une couche de non tissé et une âme d'uréthane (14) afin d'éliminer tout gondolage dans la garniture après moulage et formage. L'association d'une certaine rigidité et d'une cohésion mécanique permet d'obtenir ce résultat. Cette combinaison peut également renfermer un matériau non tissé à base de polypropylène (18) associé à un film de polyéthylène (20) afin de former un dessus laminé (12) et une couche de fond (16). Le stratifil de fibres hachées (22) est disposé de manière aléatoire entre le laminé (21) et une matrice en uréthane (44), utilisée pour constituer l'âme (14) de la garniture (10), afin de conférer à cette garniture une stabilité de forme.

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