Plastic skin forming process

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 41/18 (2006.01) B29C 39/12 (2006.01) B29C 41/06 (2006.01)

Patent

CA 2535651

An apparatus and method of producing plastic articles comprising preheating a metal mold having a mold contour using infrared heating elements formed to match said mold contour to establish a casting temperature, casting plastic material onto the preheated metal mold surface, fusing the plastic using infrared energy, cooling the metal mold using the change of phase or state of a cooling material and removing the cast plastic article from said metal mold.

L'invention concerne un appareil et un procédé de production d'articles en plastique. Le procédé consiste à préchauffer un moule métallique possédant un contour de moule au moyen d'éléments chauffants infrarouges formés de manière qu'ils épousent la forme du moule et qu'une température de coulée soit atteinte, à couler une matière plastique sur la surface du moule métallique préchauffé, à faire fondre le plastique au moyen d'une énergie infrarouge, à refroidir le moule métallique au moyen du changement de phase ou d'état d'un matériau de refroidissement et à enlever l'article en plastique coulé dudit moule métallique.

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