Door construction

Details Door construction Door construction

1990-06-22

1991-06-04

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

With synthetic resinous component

Foam

5230911, 52455, 428151, 428921, E06B 520

Patent

active

050202928

ABSTRACT:
Door constructions are provided including a frame, a core, and on both the inner and outer faces of the core an iron plate at least 0.2 millimeters thick with a wooden layer adhesively secured to the outer surfaces thereof. Preferably the core provided is a material having superior heat insulating properties with a heat conductivity of between about 0.15 and 0.05 as well as a diffusion resistance at least 20 times greater than that of air. In a preferred embodiment, each of the iron plates has a wooden layer adhesively secured to both the inner and outer surfaces thereof.

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