Insert retention and cooling apparatus for drag bits

Details Insert retention and cooling apparatus for drag bits Insert retention and cooling apparatus for drag bits

1980-07-14

1982-06-15

Pate, III, William F.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

76108A, 175393, 175410, E21B 1046

Patent

active

043345859

ABSTRACT:
A one piece diamond drag bit is disclosed that utilizes individual diamond insert studs strategically placed into the face of the bit. Each insert is pinned in a "keyway" formed between a groove in the bit body and a complementary groove in the insert stud. A hollow locking pin locks each insert in place. Each pin communicates with a fluid chamber formed by the drag bit body and directs fluid over the cutting disk of each insert during operation of the drag bit.

REFERENCES:
patent: 3113630 (1963-12-01), Williams, Jr.
patent: 3838742 (1974-10-01), Juvkan-Wald
patent: 4199035 (1980-04-01), Thompson
patent: 4246977 (1981-01-01), Allen
patent: 4253533 (1981-03-01), Baker, III

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