Compression molded door assembly

Details Compression molded door assembly Compression molded door assembly

E - Fixed Constructions

06

B

E06B 3/70 (2006.01) C08L 67/06 (2006.01) E04C 2/34 (2006.01) E06B 3/78 (2006.01) E06B 3/82 (2006.01)

Patent

CA 2337518

A door member (10) comprising a frame (14) having a first side and a second side, opposite the first side, a core (12) positioned within the frame (14), and a molded skin (24) attached to the first side of the frame (14). The skin (24) is prepared from a molding compound which, when molded, has a shrinkage of between about -0.0003 to about +0.0015. The molding compound comprises a resin system comprising a curable polyester resin, a co-curable unsaturated monomer, and at least two low profile additives. The molding compound also comprises at least about 30 percent by weight, based on the weight of the molding compound, of filler material, and fibrous reinforcement in an amount of less than about 35 weight percent, based on the weight of the molding compound.

L'invention porte sur un élément (10) de porte comprenant un cadre (14) doté d'un premier et d'un second côté opposés, une âme (12) placée à l'intérieur du cadre (14) et un parement (24) moulé, fixé au premier côté du cadre (14). Le parement (24) est obtenu à partir d'un composé de moulage qui, une fois moulé, présente un retrait compris entre environ 0,0003 et environ +0,0015. Le composé de moulage comprend un système de résine comprenant une résine polyester durcissable, un monomère insaturé codurcissable et au moins deux adjuvants faible profil. Le composé de moulage comprend également au moins environ 30 % en poids, sur la base du poids du composé de moulage, d'un matériau de remplissage, et un renforcement fibreux dans une quantité inférieure à environ 35 % en poids, sur la base du composé de moulage.

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