Smoke marker

Details Smoke marker Smoke marker

1975-12-23

1977-02-15

Pendegrass, Verlin R.

Ammunition and explosives

Igniting devices and systems

102 376, 222 95, F42B 400

Patent

active

040076911

ABSTRACT:
A smoke marker for indicating the location of a target drone. An aluminum tube with one open end and one closed end contains a polyethylene bottle filled with titanium tetrachloride, a smoke chemical. The bottle is held in place within the tube by means of set screws adjacent the bottle's neck. A nylon washer containing an explosive primer and a metallic disc are disposed between the bottle and the closed end of the tube. The open end of the tube is potted closed with styrofoam potting. Upon ignition, the explosive primer forces the copper disc to collapse the bottom of the bottle. The neck of the bottle shears and the titanium tetrachloride is expelled from the aluminum tube and the bottle, creating a 25 to 30 foot cloud of smoke.

REFERENCES:
patent: 2557162 (1951-06-01), Wetzel et al.
patent: 2671579 (1954-03-01), Knoblock
patent: 2923930 (1960-02-01), Del Mar
patent: 3308818 (1967-03-01), Rutkowski
patent: 3423818 (1969-01-01), Ruekberg
patent: 3712224 (1973-01-01), Hanzel
patent: 3811381 (1974-05-01), Fichter, Jr.
Materials in Design Engineering, Reinhold Pub. Corp., vol. 60, No. 5, Midt. 1964, pp. 230, 231.

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