Heat retention device for windows, doors and the like

Details Heat retention device for windows, doors and the like Heat retention device for windows, doors and the like

1984-11-08

1988-12-06

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428137, 160237, 160330, B32B 1508

Patent

active

047895829

ABSTRACT:
A heat-retention device for windows, doors or the like is proposed, in the form of a curtain (10) or roller shade, which has a plastic foil as a carrier, to which at least one vapor-deposited or atomized metal coating having a high reflective capacity in the long-wave heat radiation range is applied. The plastic foil is subdivided at least in some areas, for instance by perforation (11) or by the joining together of narrow strips (15, 16), in order to alter its mechanical properties with a view to reducing its elasticity. The result is a structure which is substantially better and esthetically more pleasing when used in the form of curtains or roller shades.

REFERENCES:
patent: 2238422 (1941-04-01), Marcin
patent: 3065785 (1962-11-01), Taber
patent: 3811239 (1974-05-01), Becker
patent: 3968287 (1976-07-01), Balk
patent: 4158718 (1979-06-01), Kehl et al.

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