Drill head

Details Drill head Drill head

1980-11-20

1985-06-04

Pate, III, William F.

Boring or penetrating the earth

Bit or bit element

Plural separable cutter elements

E21B 1036

Patent

active

045208824

ABSTRACT:
A drill head having isostatically bonded therein the shank portions of hard, wear-resistant cutting elements. The drill head can include cutting elements of various shapes and contours. The varied shaped cutting elements result in additional resistance to forces encountered under operational conditions.

REFERENCES:
patent: T970002 (1978-05-01), Kidder
patent: 3605923 (1971-09-01), Feenstra
patent: 3852874 (1974-12-01), Pearson
patent: 3997011 (1976-12-01), Staroba
patent: 4054449 (1977-10-01), Dunn
patent: 4098362 (1978-07-01), Bonnice

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