Underground valve box

Details Underground valve box Underground valve box

1990-01-10

1990-12-11

Marcus, Stephen

Receptacles

Sectional

Knockdown

220 85P, 220 18, 137375, 138148, F16L 5916

Patent

active

049763660

ABSTRACT:
An underground valve box for encapsulating a service valve selected from a variety of valves having vertical or horizontal cylindrical bodies with horizontal inlet and outlet lines disposed linearly through the body consists of an upright with a horizontal member defining upper and lower portions therein, a plurality of concentric steps descending downwardly and inwardly from the horizontal member into the lower portion of the base, a pair of V-shaped seats diametrically disposed in the member, a pair of diametrically oposed topwardly accessible notches in the upper portion of the base aligned with the V-shaped seats and a horizontal external lip and a body with lower and upper vertical concentric barrels integrally connected by an inwardly and upwardly tapering intermediate segment. The lower barrel has a pair of diametrically opposed bottomwardly accessible notches and a plurality of horizontal ribs on its interior surface and the intermediate segment is tapered to restrictively receive the body of the selected valve. Each of the concentric steps has a diameter and depth coordinated to restrictively receive the body of at least one of the variety of vertical body valves when the inlet and outlet lines of the selected valve are disposed in the topwardly accessible notches of the base. The lip of the base and the ribs of the body are cooperable to releasably interlock the base with the body with the inlet and outlet lines of the selected valve disposed in the aligned notches.

REFERENCES:
patent: 3367358 (1968-02-01), Rentschler
patent: 3392867 (1968-07-01), Morris
patent: 3425456 (1969-02-01), Schibig
patent: 3556158 (1971-01-01), Schneider
patent: 3575214 (1971-04-01), Bindel
patent: 4162740 (1979-07-01), Jones
patent: 4301828 (1981-11-01), Martin
patent: 4429721 (1984-02-01), Davis
patent: 4449554 (1984-05-01), Busse
patent: 4716926 (1988-01-01), Jacobs
patent: 4872575 (1989-10-01), Kobilan

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