Digging and backfill apparatus

Details Digging and backfill apparatus Digging and backfill apparatus

2004-10-22

2009-02-03

Beach, Thomas A (Department: 3671)

Excavating

Beneath a body of water

Suction

C037S317000, C175S066000, C406S088000

Reexamination Certificate

active

07484322

ABSTRACT:
A mobile digging and backfill system for removing and collecting material above a buried utility. The system comprises a mobile chassis, a collection tank mounted to the chassis, a water pump mounted to the chassis for delivering a pressurized liquid flow against the material for loosening the material at a location, a vacuum pump connected to the collection tank so that an air stream created by the vacuum pump draws the material and the fluid from the location into the collection tank, and at least one backfill reservoir mounted to the chassis for carrying backfill for placement at the location.

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Reimann & Georger Corp.—Web Site Brochure for Hydra Core Drill.

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