Fluid handling – With casing – support – protector or static constructional... – Guards and shields
Patent
1989-01-31
1990-01-02
Chambers, A. Michael
Fluid handling
With casing, support, protector or static constructional...
Guards and shields
137377, 52262, 52302, F16K 2708
Patent
active
048906387
ABSTRACT:
A protective enclosure for a backflow prevention device including a rectangular cover member having insulated top and side walls secured to a platform member to completely enclose the backflow prevention device. One of the side walls is provided with a drain opening adjacent the platform member and a closure member hinged above the drain opening and biased to a closed position. In large cover members, the side walls are sub-divided into removable side panels to facilitate access to the interior space within the cover member and also to facilitate assembly and disassembly.
REFERENCES:
patent: 3170269 (1965-02-01), Dunnington
patent: 3702045 (1972-11-01), Selvaag
patent: 3822521 (1974-07-01), Lucas
patent: 3968601 (1976-07-01), Brown et al.
patent: 4556080 (1985-12-01), Picaud
patent: 4630418 (1986-12-01), Degut
Chambers A. Michael
Lackey Harrington A.
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