Process to manufacture three dimensionally shaped substrate...

B - Operations – Transporting – 32 – B

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B32B 27/40 (2006.01) B29C 67/24 (2006.01) B32B 1/00 (2006.01) B32B 27/04 (2006.01) C08L 75/04 (2006.01) B29C 44/56 (2006.01)

Patent

CA 2421884

The present invention is directed to a process for the manufacture of three-dimensional acoustically sound automotive insulation parts. In particular, the process includes mixing a two component polyurethane resin, applying the resin to a substrate, molding the substrate and then trimming and demolding the resin applied substrate.

La présente invention concerne un procédé de fabrication de pièces tridimensionnelles d'absorption acoustique pour véhicules automobiles. En particulier, le procédé consiste à mélanger une résine de polyuréthane à deux composants, à appliquer la résine sur un substrat, à mouler ce substrat puis à découper à démouler le substrat sur lequel la résine a été appliquée.

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