Available Technology

Method for creating a one way visible screening smoke

method of producing a visible one-way screening smoke is disclosed. The thod includes substantially concurrently deploying into ambient atmosphere a first smoke cloud containing a light absorbent material such as carbon black and a second smoke cloud containing a white nonabsorbent visible screening smoke substantially parallel to and apart from the first cloud so that a two layer obscurant cloud having a one-way visibility effect is created in which visibility is substantially maintained only in the direction of the first cloud through the second cloud.
Patent Number: 
Patent Issue Date: 
October 28, 1997
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