Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – And valving means controlling flow for combining
Reexamination Certificate
2006-05-23
2006-05-23
Kim, Christopher (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
And valving means controlling flow for combining
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
Crabtree Dennis W.
Williams Dwight P.
Kim Christopher
Shaper Sue Z.
Williams Fire & Hazard Control, Inc.
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