Tanning lamp having grooved periphery

Details Tanning lamp having grooved periphery Tanning lamp having grooved periphery

2007-08-21

2007-08-21

Wells, Nikita (Department: 2881)

Radiant energy

Radiant energy generation and sources

With radiation modifying member

C250S365000, C250S461100

Reexamination Certificate

active

10895606

ABSTRACT:
The present disclosure provides a device and method for exposing a person to ultraviolet radiation in tanning wavelengths which is emitted from a discharge lamp having a plurality of grooves formed in its outer periphery along a helical path. The discharge lamp includes, inter alia, an elongated vitreous tube, first and second electrode assemblies and a coating on the interior the interior of the tube. The coating is applied on an interior of the tube along the entire length for emitting ultraviolet radiation in tanning wavelengths when a voltage is applied across the first and second electrodes. In a first representative embodiment, the plurality of grooves are interconnected and the helical path is continuous. Alternatively, the plurality of grooves can be axially offset and the helical path can be discontinuous.

REFERENCES:
patent: 3560786 (1971-02-01), Shurgan
patent: 5557112 (1996-09-01), Csoknyai et al.

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