Apparatus for insulating windows

Details Apparatus for insulating windows Apparatus for insulating windows

E - Fixed Constructions

06

B

108/32.1

E06B 9/264 (2006.01) E06B 3/67 (2006.01) E06B 9/64 (2006.01)

Patent

CA 1174904

ABSTRACT A window construction capable of restricting heat transmission having a built in reflective roller shade like apparatus com- prising a continuous sheet extendable in a plurality of spaced apart layers by means of spacer rollers for creating insulting air spaces when extended.

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