Fire extinguishers – Fluid systems – Distributing systems
Patent
1990-09-07
1992-05-05
Focarino, Margaret A.
Fire extinguishers
Fluid systems
Distributing systems
169 37, 285174, A62C 3500
Patent
active
051099292
ABSTRACT:
A sprinkler head adapter comprising an internally threaded plastic fitting, a metal insert with both internal and external threads, and a sealing gasket is disclosed. The internally threaded passageway of the insert tapers inwardly. The diameters of the internally threaded fitting and of the externally threaded insert are substantially constant. The threads of the fitting and the corresponding external threads of the insert can be straight threads. The internal threads of the insert can be tapered threads corresponding to the threads of a metallic sprinkler head.
REFERENCES:
patent: 1066214 (1913-07-01), Mulconroy et al.
patent: 2267716 (1941-12-01), Boynton
patent: 2425817 (1947-08-01), Mosca
patent: 2437843 (1948-03-01), Ness
patent: 2456418 (1948-12-01), Immerman
patent: 2461516 (1949-02-01), Bullock
patent: 2493996 (1950-01-01), Parmesan
patent: 2521701 (1950-09-01), Earle et al.
patent: 2702201 (1955-02-01), Romanelli et al.
patent: 2776151 (1957-01-01), Harkenrider
patent: 3236543 (1966-02-01), Mueller
patent: 3348862 (1967-10-01), Leopold et al.
patent: 4128128 (1978-12-01), Mears
patent: 4586733 (1986-05-01), Anderson, Jr.
patent: 4905766 (1990-03-01), Dietz et al.
Focarino Margaret A.
Hoge Gary C.
Sheldon Jeffrey G.
Spears Manufacturing Corp.
LandOfFree
Sprinkler head adapter does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sprinkler head adapter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sprinkler head adapter will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1406569