Method of and system for forming a fire door core

Details Method of and system for forming a fire door core Method of and system for forming a fire door core

C - Chemistry, Metallurgy

04

B

C04B 22/00 (2006.01) B28B 15/00 (2006.01) B29C 43/00 (2006.01) B29C 43/02 (2006.01) B29C 43/04 (2006.01) B29C 67/24 (2006.01) C04B 14/20 (2006.01) C04B 24/30 (2006.01) C04B 28/02 (2006.01) C04B 28/14 (2006.01) B29C 31/08 (2006.01) B29C 33/56 (2006.01) B29C 43/50 (2006.01) E06B 5/16 (2006.01)

Patent

CA 2436223

A method and system of forming a fire door core are provided. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfolitated vermiculite is then mixed with the submixture to provide a mixture that is deposited into a plurality of compression molds. Each of the filled molds are pressed in a press at a predetermined temperature at a predetermined pressure for a predetermined period of time sufficient to harden the mixture into a hardened slab. The hardened slabs are then removed from the molds, impregnated with water or steam in a water impregnation assembly and dried in a drying assembly.

L'invention concerne un procédé et un système permettant de former une partie centrale de porte coupe-feu. On fournit un liant hydraulique et une résine à partir de trémies de matière première, et on les mélange de façon à obtenir un premier mélange. Puis, on mélange de la vermicule exfoliée avec ce premier mélange afin d'obtenir un second mélange qui est déposé dans une pluralité de moules de compression. Chacun des moules remplis est pressé dans une presse à une température, à une pression prédéterminées, et pendant une durée prédéfinie suffisante pour durcir le mélange en une plaque durcie. On retire ensuite les plaques durcies des moules, on les imbibe d'eau ou de vapeur dans un ensemble d'imbibition et on les sèchent dans un ensemble de séchage.

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