Apparatus for use in sunbathing

Details Apparatus for use in sunbathing Apparatus for use in sunbathing

1986-06-10

1989-01-17

Arnold, Bruce Y.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

2505191, G02B 522, G21F 110

Patent

active

047984279

ABSTRACT:
Apparatus for use in sunbathing comprises a screen formed of a sheet of thermoplastic material which is transparent to the safe UV-A wavelengths of solar radiation but which contains uniformly distributed therethrough a first agent whcih absorbs at least 80% of the UV-B radiation in the 290-320 nm range and a second agent which prevents transmission therethrough of some radiations above 450 nm wavelength, i.e. visible light and infra-red. The screen may be mounted on a frame so as to shield the sunbather from the harmful wavelength of radiation, prevent unpleasant overheating and provide subdued lighting. The second agent may be an absorbing dye or pigment.

REFERENCES:
patent: 2391959 (1946-08-01), Gallowhur et al.
patent: 3298959 (1967-01-01), Marks et al.
patent: 3382183 (1968-05-01), Donoian et al.
patent: 3499914 (1970-03-01), Klink et al.
patent: 4167490 (1979-09-01), Looney
patent: 4200360 (1980-07-01), Mutzhas
patent: 4529269 (1985-07-01), Mutzhas

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