Stabilizer for underground valve housing

Details Stabilizer for underground valve housing Stabilizer for underground valve housing

1992-05-18

1993-10-19

Neuder, William P.

Road structure, process, or apparatus

Pavement

Vault cover-closure

239201, 404 2, E01F 500

Patent

active

052539520

ABSTRACT:
A ground engaging hollow, disklike support mounted coaxially about the top end of the upper section of an underground valve box and having a conical top wall which sheds water to the outer edge of the disk to prevent softening and erosion of ground under the disklike support leading to vertical destabilization of the valve box.

REFERENCES:
patent: D256386 (1980-08-01), Bergland
patent: 1105993 (1914-08-01), Munson
patent: 2080341 (1937-05-01), Schumacher
patent: 3265310 (1966-08-01), Cohen
patent: 3343796 (1967-09-01), Trickey
patent: 4475844 (1984-10-01), Arntyr et al.
patent: 4673034 (1987-06-01), Hansen

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