Apparatus for cyanoacrylate fingerprint developing and method of

Details Apparatus for cyanoacrylate fingerprint developing and method of Apparatus for cyanoacrylate fingerprint developing and method of

1993-06-03

1994-09-20

Bell, Janyce

Coating processes

Body member printing

118 315, 118 47, 427145, 427233, 4272556, A61B 5117

Patent

active

053487591

ABSTRACT:
A device for developing latent fingerprints is disclosed. The invention has a housing that holds either a pad of steel wool that is impregnated with liquid cyanoacrylate, or a quantity of solid granulated cyanoacrylate. The cyanoacrylate or steel wool is placed around the periphery of the housing. One end of the housing may be tapered to form a connecting tube. This connecting tube is placed on the end of a small propane torch. The torch is used to vaporize the cyanoacrylate in the housing into a vapor, which is then propelled forward from the torch by the velocity of the torch exhaust gases. This vapor is then projected onto the test object, where latent prints will appear within minutes. This invention can be used in any location, including outdoors and does not need a closed environment to work.

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