Stratum boundary sensor for continuous excavators

Details Stratum boundary sensor for continuous excavators Stratum boundary sensor for continuous excavators

1990-04-10

1992-03-03

Bagnell, David J.

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Ore/rock interface determination during cutting

37189, 37DIG1, 299 39, E21C 3900, E02F 320

Patent

active

050926578

ABSTRACT:
Probes attached to the moldboard blade penetrate in situ formations while digging with a continuous excavator, thus enabling the direct and simultaneous sensing of characteristic strata property data signals both above and below the digging depth of the excavator. The data signals are evaluated to provide a reference for control of the digging depth so that product contamination by parting material can be minimized while mining, as well as the loss of product while removing the parting material.

REFERENCES:
patent: 2620386 (1952-12-01), Alspaugh et al.
patent: 2790968 (1957-04-01), Cook et al.
patent: 3015477 (1962-01-01), Persson et al.
patent: 4189183 (1980-02-01), Borowski

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