Curb box

Details Curb box Curb box

1979-11-27

1982-01-05

Michalsky, Gerald A.

Fluid handling

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

Static constructional installations

137364, 137370, F16K 2700

Patent

active

043088864

ABSTRACT:
A curb box for underground gas and water services formed of a synthetic plastic material wherein the lower portion of the curb box is formed with a bell housing for receiving a service or distribution line valve. The bell housing includes valve engaging surfaces frictionally contacting the valve wherein such frictional engagement initially positions the valve upon the curb box and resists inadvertent displacement between the valve and curb box during installation, back filling and settling.

REFERENCES:
patent: 1108031 (1914-08-01), Tyler et al.
patent: 1608772 (1926-11-01), Cole
patent: 3548864 (1970-12-01), Handley et al.
patent: 3601143 (1971-08-01), Glennon
patent: 4030519 (1977-06-01), Zinn
patent: 4239056 (1980-12-01), Shope

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