Thermally insulated window sash construction for a casement wind

Details Thermally insulated window sash construction for a casement wind Thermally insulated window sash construction for a casement wind

1986-08-29

1987-09-01

Pate, III, William F.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Outside corner or peripherally bordered

52204, 52731, 52475, E04C 238

Patent

active

046899332

ABSTRACT:
A window sash member includes first and second generally parallel sidewalls. First and second spaced, generally parallel transverse walls, extending between and oriented generally perpendicular to the first and second sidewalls, connect the first and second sidewalls to define a first hollow chamber. A third transverse wall, located without the first hollow chamber adjacent to and generally parallel to the first transverse wall, extends from the first transverse wall and terminates short of the second sidewall. A first interior wall, oriented generally parallel to the first sidewall, extends from the third transverse wall to the first transverse wall to define a second hollow chamber. A fourth transverse wall, located without the first hollow chamber adjacent to and generally parallel to the second transverse wall, extends from the first sidewall and terminates short of the second sidewall. A second interior wall, oriented generally parallel to the second sidewall, extends from the fourth transverse wall to the second transverse wall to define a third hollow chamber. A window sash employs at least one of such sash members.

REFERENCES:
patent: 3899858 (1975-08-01), Zanker
patent: 3920344 (1975-11-01), Anderson
patent: 4304081 (1981-12-01), Dawson
patent: 4624091 (1986-11-01), Biro
patent: 4640048 (1987-02-01), Winner et al.
patent: 4640078 (1987-02-01), Haffer

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