Smoke generating device

Details Smoke generating device Smoke generating device

2007-11-06

2007-11-06

Allen, Andre J. (Department: 2855)

Measuring and testing

Fluid flow direction

Using a drifter or tracer

Reexamination Certificate

active

11454424

ABSTRACT:
A cold smoke generating device includes an air source that may include a hollow flexible collapsible container having an expandable and compressible cavity for accepting air and air-borne reagent therein. The collapsible container is fluidly connected with a narrow flexible extension that includes an elongated cavity or chamber. Isolated and/or free reagents are disposed within the chamber of the narrow flexible extension. These reagents are capable of reacting with each other, with atmospheric air, or with other gases and fluids to generate a visible aerosol when expelled into the surrounding air.

REFERENCES:
patent: 3658719 (1972-04-01), McConnaughey
patent: 5023055 (1991-06-01), Heckmann
patent: 5186118 (1993-02-01), Stinson
patent: 5948366 (1999-09-01), Ruther
patent: 6099510 (2000-08-01), Ruther et al.
patent: 6550418 (2003-04-01), Williamson
patent: 6848302 (2005-02-01), Williamson
patent: 2005/0034517 (2005-02-01), Williamson

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