Diamond crown bit

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element

Patent

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Details

175410, E21B 1048

Patent

active

046811745

ABSTRACT:
A diamond-impregnated layer of the drilling bit matrix is shaped as a parallelepiped having its front and rear faces inclined. An insert is shaped as a triangular prism, one of whose side faces is rigidly coupled to a weld-on layer, also for the diamond-impregnated layer, and whose face, is rigidly coupled to the inclined rear face of the diamond-impregnated layer.

REFERENCES:
patent: 4359335 (1982-11-01), Garner
patent: 4498549 (1985-02-01), Jurgens
Christensen, Impregnation Bit Inovation, Sep. 1982.

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