Fire fighting nozzle and method including pressure...

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – And valving means controlling flow for combining

Reexamination Certificate

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Details

C239S417300, C239S419000, C239S424000, C239S514000, C239S518000, C239S453000, C169S044000

Reexamination Certificate

active

07048207

ABSTRACT:
A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features including central and peripheral channeling for foam concentrate, and combining with a capacity to throw dry chemical. Improved pressure regulating features include a double acting baffle and preferably a relief valve.

REFERENCES:
patent: 3684192 (1972-08-01), McMillian
patent: 5992529 (1999-11-01), Williams

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