Fluid handling – With casing – support – protector or static constructional... – Static constructional installations
Patent
1977-10-21
1979-09-11
Schwadron, Martin P.
Fluid handling
With casing, support, protector or static constructional...
Static constructional installations
220 34, 220 38, F16K 2710, H02G 308
Patent
active
041671961
ABSTRACT:
A rectangular vandal-proof plumbing valve access box for housing at least one plumbing valve therein and for containing same within the wall of a building, including an access cover facing the user-occupied side of the wall with security bolts anchoring the cover to the access box and having a lip extending over the wall about the access box, the box further having a pair of re-inforced rims thereabout with valve locating notches located about one of the rims of the access box.
REFERENCES:
patent: 1643599 (1927-09-01), Auld
patent: 2181740 (1939-11-01), Reiland
patent: 2236104 (1940-11-01), McIntosh
patent: 2291719 (1942-08-01), Huehnel
patent: 2333547 (1943-11-01), Neumann
patent: 2952271 (1960-09-01), Dick et al.
patent: 3236545 (1966-02-01), Parkes et al.
patent: 3718154 (1973-02-01), Doumany
patent: 3846604 (1974-11-01), Shallbetter
patent: 3952908 (1976-04-01), Carson
patent: 4069837 (1978-01-01), Jirasek
Acorn Engineering Co.
Chambers A. Michael
Lofstedt Ben E.
Schwadron Martin P.
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