Optical: systems and elements – Mirror – With support
Patent
1997-06-06
1999-09-28
Spyrou, Cassandra
Optical: systems and elements
Mirror
With support
359870, G02B 508, G02B 7182
Patent
active
059597933
ABSTRACT:
A laminated safety mirror comprises at least two layers of glass and a bonding layer. A mirrored coating is formed on the first inner surface of a glass sheet comprising an outer surface of the laminate and, through a protective coating, immediately adjacent the bonding layer. A dual-sided mirror can be formed with two mirrored coatings, one on each of the first inner surfaces of the glass sheets forming the outer surfaces of the laminate. The bonding layer is a light stable bonding polyether-based aliphatic polyurethane material. The laminate so formed is durable against separation of layers and against loss of its bonding strength and safety capabilities. The laminate will meet the strength and other characteristics of, for example, the Consumer Product Safety Code, 16 CFR 1201 category I and II (U.S. Safety Standards) for withstanding up to 400 foot-pounds of impact energy. Soda lime glass, tempered glass, chemically-strengthened glass, colored glass, and other materials can be used in one or more layers of a laminated glass mirror of the invention.
REFERENCES:
patent: 1885232 (1932-11-01), Colbert
patent: 2468568 (1949-04-01), McCusker
patent: 4343533 (1982-08-01), Currin et al.
patent: 4511618 (1985-04-01), Duchene et al.
patent: 4645714 (1987-02-01), Roche et al.
patent: 4670338 (1987-06-01), Clemino
patent: 5493483 (1996-02-01), Lake
patent: 5820988 (1998-10-01), Nagaoka
Globe-Amerada Glass Co.
Robinson Mark A.
Spyrou Cassandra
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