Diamond insert stud for a drag bit

Details Diamond insert stud for a drag bit Diamond insert stud for a drag bit

1979-05-02

1982-04-20

Leppink, James A.

Boring or penetrating the earth

Bit or bit element

Magnetized or with magnet

175410, E21B 936, E21C 1301

Patent

active

043254390

ABSTRACT:
A circumferential shoulder or boss is provided on a diamond insert cutter stud to facilitate insertion of the stud into a pre-drilled insert hole formed in a drag bit body. A special tool slips over the diamond tip of the stud and contacts the boss for insertion of the stud into the insert hole without damage to the synthetic diamond blank bonded to the top of the stud.

REFERENCES:
patent: 1041568 (1912-10-01), Bade
patent: 1388490 (1921-08-01), Suman
patent: 1506119 (1924-08-01), Hansen
patent: 3599737 (1971-08-01), Fischer
patent: 3852874 (1974-12-01), Pearson
patent: 3858671 (1975-01-01), Kita et al.
patent: 4006788 (1977-02-01), Garner
patent: 4109737 (1978-08-01), Bovenkerk
patent: 4168923 (1979-09-01), Vezirian
patent: 4199035 (1980-04-01), Thompson

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