Method of forming a window frame

Details Method of forming a window frame Method of forming a window frame

B - Operations, Transporting

29

C

B29C 45/16 (2006.01)

Patent

CA 2245078

A method of forming a window frame including a rigid thermoplastic portion and an elastomeric portion defining a lip seal is described herein. The method generally consists in forming the rigid thermoplastic portion in a core/cavity mold assembly, opening the mold assembly while maintaining the rigid thermoplastic portion in the core, placing the core in line with a second cavity configured and sized to form the lip seal and molding the lip seal directly onto the rigid thermoplastic portion.

Méthode de formage d'un cadre de fenêtre comprenant une partie thermoplastique rigide et une partie élastomérique définissant un rebord d'étanchéité. La méthode comprend les étapes suivantes : former la partie thermoplastique rigide dans un moule à noyau/cavité; ouvrir le moule tout en maintenant la partie thermoplastique dans le noyau; aligner le noyau avec une deuxième cavité dont la configuration et la dimension permettent de former le rebord d'étanchéité; et mouler ce dernier directement sur la partie thermoplastique rigide.

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