Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent
1986-01-16
1987-07-21
Novosad, Stephen J.
Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
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.
Abdrazakov Ravil S.
Aubakirov Marat T.
Buzdov Ruslan D.
Khashirov Vladislav K.
Khazhuer Vladimir S.
Kazakhsky Politekhnichesky Institute Imeni V.I. Lenina
Neuder William P.
Novosad Stephen J.
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