Insulating venetian blind

Details Insulating venetian blind Insulating venetian blind

1976-06-14

1978-02-28

Caun, Peter M.

Flexible or portable closure, partition, or panel

Plural and/or with rigid closure

Diverse types

160114, 160168R, E06B 930

Patent

active

040760685

ABSTRACT:
The blind of the invention consists essentially of an arrangement of a number of thin but stiff blades, disposed between the panes of a two-pane window, which blades stretch horizontally across the whole of the window from one edge of the frame to the other and which are rotatable between mainly a vertical and a horizontal position. The invention is characterized in that in the vertical position the blades form at least substantially tight walls spaced apart and forming between them an integral and substantially closed air space.

REFERENCES:
patent: 2117953 (1938-05-01), Grau
patent: 2281071 (1942-04-01), Knudsen
patent: 2415222 (1947-02-01), Spencer
patent: 2742681 (1956-04-01), Goodwyn
patent: 2758345 (1956-08-01), White
patent: 2920694 (1960-01-01), Falotico
patent: 2991697 (1961-07-01), Vetere

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