Fire extinguishers – Fluid systems – Distributing systems
Patent
1977-11-21
1980-09-02
Cherry, Johnny D.
Fire extinguishers
Fluid systems
Distributing systems
169 37, A62C 3706
Patent
active
042202086
ABSTRACT:
A dry pipe fire extinguishing sprinkler apparatus including an adapter which is charged with fluid under pressure and connects an adjustable drop nipple or branch pipe having a sprinkler to a header or supply pipe. The adapter includes a valve member which excludes water from the drop nipple and sprinkler until the fluid under pressure is discharged after which such valve member opens to discharge water through the sprinkler.
REFERENCES:
patent: 1903150 (1933-03-01), Tyden
patent: 2155990 (1939-04-01), Hodgman, Jr.
patent: 3007528 (1961-11-01), Gloeckler
patent: 3061015 (1962-10-01), Cann, Jr.
patent: 3135331 (1964-06-01), Lee
patent: 3584689 (1971-06-01), Willms
patent: 3771606 (1973-12-01), James
patent: 3810511 (1974-05-01), James
patent: 3924687 (1975-12-01), Gross
patent: 4007877 (1977-02-01), Jackson et al.
patent: 4007878 (1977-02-01), Anderson
Jackson Jimmy
Roquemore William D.
Cherry Johnny D.
Hays Heating & Plumbing Company
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