Insulating glass unit with insulative spacer

Details Insulating glass unit with insulative spacer Insulating glass unit with insulative spacer

1991-06-11

1995-01-03

Friedman, Carl D.

Static structures (e.g., buildings)

Composite prefabricated panel including adjunctive means

Sandwich or hollow with sheet-like facing members

52788, 52172, E06B 712

Patent

active

053774736

ABSTRACT:
An insulating glass unit comprising a pair of generally parallel, spaced apart glass panes and a spacer-sealant assembly peripherally joining the glass panes to one another and defining with the glass panes a gas-containing interpane space. The spacer comprises a first web whose edges are joined to confronting surfaces of the glass panes by primary sealant strips, the first web and sealant providing a barrier having a permeance to air and interpane gas of not greater than about 0.06 cubic inches/year-inch-arm, and providing a first thermal path having a thermal resistance of not less than about 8 hr-.degree.F.-ft/Btu. The unit is free from peripheral structure providing a separate parallel thermal path having a thermal resistance less than about two and one-half times that of the first thermal path.

REFERENCES:
patent: 2708774 (1955-05-01), Seelen
patent: 3921359 (1975-11-01), Brichard et al.
patent: 3956998 (1976-05-01), Bavetz
patent: 3981111 (1976-09-01), Berthayen
patent: 4057945 (1977-11-01), Kessler
patent: 4551364 (1985-11-01), Davies
patent: 4576841 (1986-03-01), Lingemann
patent: 4658553 (1987-04-01), Shinagawa
patent: 4720950 (1988-01-01), Bayer et al.
patent: 4780164 (1988-10-01), Rueckheim et al.
patent: 4850175 (1989-07-01), Berdan

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