Spacer for an insulating glass unit

Details Spacer for an insulating glass unit Spacer for an insulating glass unit

1991-04-24

1992-06-30

Scherbel, David A.

Static structures (e.g., buildings)

Viewing port for specific environment

52788, E06B 712

Patent

active

051251957

ABSTRACT:
A spacer to bridge the interspace between two parallel panes of glass in a multilayer insulating glass. The spacer includes two hollow metal sections mutually spaced apart. A solid web of an unfoamed and fully-cured polyurethane casting compound fills the space between the hollow sections and adheres to the facing surfaces of the sections. The hollow sections and solid web form a spacer having relatively high torsional rigidity and electrical insulation, and having relatively low thermal conductivity between the glass panes. The outside surface of the web is covered with a layer impermeable to vapor.

REFERENCES:
patent: 2974377 (1961-03-01), Kunkle
patent: 3791910 (1974-02-01), Bowser
patent: 3919023 (1975-11-01), Bowser
patent: 4335166 (1982-06-01), Lizardo
patent: 4807419 (1989-02-01), Hodek

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