Disc cutting units for use on rock boring machines

Details Disc cutting units for use on rock boring machines Disc cutting units for use on rock boring machines

1975-07-22

1977-01-25

Purser, Ernest R.

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

175410, E21B 908

Patent

active

040046451

ABSTRACT:
A rock boring machine of the kind consisting of a rotatable headplate on the front face of which is mounted a plurality of rotatable disc cutters, each disc cutter comprising an annular body, a plurality of cutting segments located on and substantially encircling the annular body around the periphery thereof, and removable clamping means for securing the cutting segments to the annular body. Each cutting segment is provided with a suitable formation adapted to engage with a complemental formation on the annular body to prevent peripheral movement of the segments around the annular body.

REFERENCES:
patent: 1143275 (1915-06-01), Hughes
patent: 1691623 (1928-11-01), Black
patent: 3041055 (1962-06-01), Risse
patent: 3596724 (1971-08-01), Bechem
patent: 3791465 (1974-02-01), Metge

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