Thermally insulated window system

Details Thermally insulated window system Thermally insulated window system

1977-03-11

1977-11-15

Kannan, Philip C.

Movable or removable closures

Facially opposed primary and auxiliary closure for common...

49 91, 49142, 49168, 49DIG1, 52618, 52731, 98 88L, E05B 6504

Patent

active

040579360

ABSTRACT:
A thermally insulated window system for use in windows and doors which provides a thermally insulated frame and means for completely insulating the area of the frame. Novel panel sections are used to form the frame, as well as vents for a portion of the frame, and shutters which completely cover the area of a double panel window section. The novel panels contain a thermal break and a structurally sound construction filled and monolithically sealed with closed-cell foamed polymeric material.

REFERENCES:
patent: 2152566 (1939-03-01), Phillips
patent: 2305445 (1942-12-01), Poor et al.
patent: 2612097 (1952-09-01), Pollman
patent: 2637265 (1953-05-01), Emmert
patent: 2904854 (1959-09-01), Adamson
patent: 3020951 (1962-02-01), Graulich
patent: 3047914 (1962-08-01), Kahn et al.

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