Non-fogging goggles

Details Non-fogging goggles Non-fogging goggles

1990-05-07

1991-05-28

Nerbun, Peter

Apparel

Guard or protector

For wearer's head

2441, 351 62, A61F 902

Patent

active

050182234

ABSTRACT:
A non-fogging goggles includes a double lens that consists of a pair of two spaced-apart lenses that have an air interstice therebetween and in which the inner surface of the outer lens is coated with a metal film. The metal coating is preferably made of gold and is vacuum-deposited on the outer lens. The body heat radiated by the user is reflected on the metal film and reduces the temperature differential between the inner lens and the area enclosed by the goggles, thereby preventing fogging of the inner lens. The radiated heat will also contribute in maintaining the temperature of the lens of any corrective eyeglasses worn under the goggles.

REFERENCES:
patent: 1562350 (1925-11-01), Luckey
patent: 2665685 (1954-01-01), Wood et al.
patent: 3012248 (1961-12-01), Kleinman
patent: 3488215 (1970-01-01), Shepherd et al.
patent: 3505680 (1970-04-01), Ring
patent: 3591864 (1971-04-01), Allsop
patent: 3945044 (1976-03-01), McGee et al.
patent: 4414693 (1983-11-01), Brody
patent: 4455689 (1984-06-01), Boyer
patent: 4942629 (1990-07-01), Stadlmann
"Non-Misting Safety Goggle" Manufacturing Optician, vol. 15, No. 6, p. 275, Mar. 1962.

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