Valve box

Details Valve box Valve box

1980-01-30

1982-06-08

Chambers, A. Michael

Fluid handling

With casing, support, protector or static constructional...

Static constructional installations

F16L 500

Patent

active

043334946

ABSTRACT:
A valve box consisting of a generally vertically elongated tube, pipe or cylinder having formed on the body thereof a hollow housing adapted to receive and cover an underground valve, more particularly a valve fabricated of a synthetic material having a unitary valve body and inlet and outlet conduits in which the housing is provided with at least two inwardly projecting ribs adapted to engage the valve body thereby positively limiting its upward movement in the housing to preclude the inlet and outlet conduit from engaging the top of the opposed openings in the side of the housing through which the said conduits extend.

REFERENCES:
patent: 961178 (1910-06-01), Tyler
patent: 1325393 (1919-12-01), Calhoun
patent: 2059085 (1936-10-01), Buck
patent: 2099479 (1937-11-01), Heinkel et al.
patent: 2691384 (1954-10-01), Mueller et al.
patent: 3548864 (1970-12-01), Handley et al.
patent: 3601143 (1971-08-01), Glennon

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