Heat-insulated window casement and frame construction

Details Heat-insulated window casement and frame construction Heat-insulated window casement and frame construction

1984-05-03

1986-04-15

Perham, Alfred C.

Movable or removable closures

Panel with closure feature

49401, 5230913, 52731, E06B 300

Patent

active

045818525

ABSTRACT:
A composite section that the frames of a window or a door are made out of or that are used to construct a facade consist of a plastic rail section and of a metal rail section. The metal rail sections face inward when the composite section is employed to construct a window or a door frame, whereas the plastic rail sections constitute the outer shell. The plastic rail section has anchoring webs with free edges that engage recesses in the metal rail sections. The anchoring webs are secured in the recesses because the outer recess webs and/or inner recess webs conform to the shape of the anchoring webs. The plastic rail sections are angular in cross-section and have outer flanks that in the case of a window or door constitute motion-limiting webs or glass-securing strips. The fittings that connect the casement to the window frame and the fittings that anchor the window frame are attached only to the metal rail sections.

REFERENCES:
patent: 3798869 (1974-03-01), Nipp
patent: 4221355 (1980-09-01), Hoop
patent: 4333283 (1982-06-01), Ebata
patent: 4359805 (1982-11-01), Berneke

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