Static structures (e.g. – buildings) – Viewing port for specific environment
Patent
1989-06-09
1990-07-17
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
Viewing port for specific environment
52306, 52308, 52790, 428 34, E04B 324
Patent
active
049413023
ABSTRACT:
A multiple glass sheet insulating unit having a welded or fused glass, sealed peripheral edge. The unit comprises at least two glass sheets each having a low emissivity coating applied to a surface thereof. The sheets are disposed such that the hermetically sealed space between the sheets is of a width between 0.125 inch to 0.375 inch and the coating on one of the sheets faces the sealed space and the coating on the other sheet faces the ambient. A highly insulating gas such as krypton fills the sealed space.
REFERENCES:
patent: 4206338 (1980-06-01), Katona
patent: 4687687 (1987-08-01), Terneu et al.
patent: 4831799 (1989-05-01), Glover et al.
Chilcot Jr. Richard E.
Libbey-Owens-Ford Co.
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