Fire extinguishers – Special applications – With specific extinguishant applying means – or means for...
Patent
1997-06-24
1999-07-13
Kashnikow, Andres
Fire extinguishers
Special applications
With specific extinguishant applying means, or means for...
169 54, 169 65, A62C 3712
Patent
active
059213230
ABSTRACT:
The invention provides a chimney fire access device for injecting a fire extinguishing compound into the interior of an elongate vertical chimney stack, the stack having: a side wall and a longitudinal axis, the device comprising: a tube extending transversely through the stack side wall, the tube having an input end, a midportion and an output end; mounting means for mounting the tube to the stack side wall; nozzle means disposed on the output end of the tube for spraying a fire extinguishing compound in an upstream direction; trap means disposed within the midportion of the tube for impeding backflow of solid particles from the interior of the stack through the side wall; and fire extinguishing compound injection means disposed on the input end of the tube for conveying compound from a source of extinguishing compound.
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Evans Robin O.
Field Paul J.
Kashnikow Andres
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