Patent ID: 6986656
Filing Date: 2006-01-17
Classification: B29C,B29K,B29L,C04B,E06B,Y10T

Abstract:
1. A fire retardant fire door core forming system, comprising: a) a plurality of raw material sources for storing raw materials including exfoliated vermiculite, resin and hydraulic binder; b) a mixing system, said mixing system in communication with said raw material sources, said mixing system comprising a first mixing assembly for combining said resin and said hydraulic binder to create a submixture and a second mixing assembly in communication with said first mixing assembly for combining said submixture with said exfoliated vermiculite to create a final mixture; c) a plurality of molds, each mold in operative communication with said second mixing assembly for receiving a predetermined supply of said final mixture of said raw materials from said second mixing assembly thereby providing a plurality of filled molds; d) vibratory assembly for receiving each of said filled molds and for causing said final mixture of said raw materials in said filled molds to achieve a substantially uniform density in each of the associated filled molds; e) a heated press in operative association with said vibratory assembly for receiving the filled molds and for applying sufficient heat and pressure for a sufficient period to cause said final mixture of said raw materials in each of said filled molds to form fire retardant fire door cores having a hardened state; and f) a multi-mold unloading assembly in operative association with said heated press, said unloading assembly having unloading extractors for removing the hardened cores from said press and placing the hardened cores on an unloading device.