Molded door frame and method

Details Molded door frame and method Molded door frame and method

E - Fixed Constructions

06

B

E06B 3/70 (2006.01)

Patent

CA 2292094

Disclosed is a utilization of two mating frames or halves for a door, defining an extended cavity therebetween bounded by a circumambient or outer surrounding peripheral wall formation, and where a window opening is located therewithin bounded by a circumambient or inner surrounding peripheral wall formation, the outer wall and inner wall formations constituting an outer and inner "dam" respectively, which arrangement channels the flow of a suitable expanding foam material, injected through an access port located in the outer dam, throughout the cavity and limits its escape so as to establish a fully expanded rigidified foam body core adhered, when cured, to the inner surfaces of the mating frames or halves; and an optimum structure wherein the two mating frames or halves are secured together only by the adhered rigidified foam body core, which provides insulation, and reinforced by adherence to the inner surfaces the core imparts substantial structural strength to the door.

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