Valve box adapter

Details Valve box adapter Valve box adapter

1994-04-13

1995-03-07

Chambers, A. Michael

Fluid handling

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

Static constructional installations

137364, 404 26, F16L 500

Patent

active

053948980

ABSTRACT:
A valve box adapter formed of plastics material is provided by molding as a unit an interior member. The valve box cover is elevated by the adapter from the old pavement level to a new pavement level. Plastics are utilized which will not melt at the application temperature of asphalt but will soften somewhat to conform more precisely to the configuration of the adapter cover. A plurality of adapters may be used in multiple applications to enable the continuous use of the original valve box cover as a plurality of asphalt levels are added over a period of time.

REFERENCES:
patent: 4187647 (1980-02-01), Hall
patent: 4976568 (1990-12-01), Hess
patent: 5221155 (1993-06-01), Neil

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