Cutting member for rotary drill bits

Details Cutting member for rotary drill bits Cutting member for rotary drill bits

1982-03-24

1984-04-03

Pate, III, William F.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

175410, E21B 1046

Patent

active

044402465

ABSTRACT:
A cutting member for rotary drill bits consists of a carrier member with a supporting face which consists of two component supporting faces adjoining one another in wedge-shape forming a front edge, and applied to each of the two component supporting faces is a supporting member together with a cutting layer which occupies the whole area. The cutting member which is wedge-shaped in its contours develops high drilling performances particularly in comparatively soft ground formations and is considerably cheaper than known wedge-shaped cutting members and renders possible an extensive variability in the formation of the supporting members together with the cutting layers and their arrangement on the carrier member.

REFERENCES:
patent: 1887372 (1932-11-01), Emmons
patent: 2053977 (1936-09-01), Taylor
patent: 3938599 (1976-02-01), Horn
patent: 4186628 (1980-02-01), Bonnice
patent: 4373593 (1983-02-01), Phaal et al.
patent: 4376553 (1983-03-01), Brewer et al.

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