Fingerprinting system incorporating a spray container and a port

Details Fingerprinting system incorporating a spray container and a port Fingerprinting system incorporating a spray container and a port

1985-07-10

1987-10-20

Bell, Janyce A.

Coating apparatus

Body member printing type

118719, 118733, 427 1, 427145, 4272554, 427345, B41K 100

Patent

active

047006579

ABSTRACT:
The present invention is a self-contained fingerprinting system which includes a spray container and a portable vapor tank. The spray container discharges into the protable vapor container a mist of atomized particles of cyanoacrylate ester in order to generate vapors thereof. The vapors in the portable vapor tank fume an object suspected of containing latent fingerprints. The portable vapor tank includes a shroud which encloses the vapors from the mist of atomized particles of cyanoacrylate ester, a first supporting member which supports the shroud and a second supporting member which supports the object in front of the spray container. The portable vapor tank also includes a timer which determines the duration of fuming with the vapors and purging apparatus which purges the vapors from the portable vapor tank. The purging apparatus is electrically coupled to the timer and activated thereby at the end of duration of fuming with the vapors. When a fluorescent dye is added to the mist of atomized particles of cyanoacrylate ester in order to generate fluorescent vapors the portable vapor tank further includes an ultraviolet source which exposes latent fingerprints when the ultraviolet light source is shined on the object which contains the latent fingerprints and which has been treated with the fluorescent vapors.

REFERENCES:
patent: 4297383 (1981-10-01), Bourdon

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