Thermally insulated windows and doors

Details Thermally insulated windows and doors Thermally insulated windows and doors

1976-12-14

1979-05-01

Stein, Mervin

Movable or removable closures

With means mounting closure for reciprocation

49458, 49501, 49504, 49DIG1, E06B 300

Patent

active

041516826

ABSTRACT:
Complete thermal insulation of metal rails and stiles in vertically or horizontally sliding or rolling windows or doors is provided by including in the frame thereof centered rigid plastic shapes which extend between panels of the windows or doors. All rails and stiles of each panel are thereby exposed only to either interior or exterior ambient temperatures.

REFERENCES:
patent: RE24704 (1959-09-01), Kunkel
patent: 3055468 (1962-09-01), Horejs et al.
patent: 3324597 (1967-06-01), Rich
patent: 3420026 (1969-01-01), Nolan
patent: 3530618 (1970-09-01), Grossman
patent: 3780473 (1973-12-01), Kort et al.

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