Window device

Details Window device Window device

1978-09-26

1981-03-17

Kannan, Philip C.

Movable or removable closures

With means mounting closure for swinging

Closure overlies portal frame

49 67, 49505, E05D 700

Patent

active

042559014

ABSTRACT:
An inner window for the thermal and acoustic insulation of existing windows comprises an adjustable frame having hollow sections connected by elements inserted therein and spacer sections covering the connecting elements, a corresponding pane, and means for securing the pane to the frame in a sealing relation. The frame sections are all of similar cross-sectional dimensional for a uniform frame contour.

REFERENCES:
patent: 2093727 (1937-09-01), Julien
patent: 2396560 (1946-03-01), Dion
patent: 2800957 (1957-07-01), Giglio et al.
patent: 2840161 (1958-06-01), Alexander et al.
patent: 3314196 (1967-04-01), Betz et al.
patent: 3553891 (1971-01-01), Casebolt et al.
patent: 3654734 (1972-04-01), Lehman

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