Apparatus for cleaning drills

Details Apparatus for cleaning drills Apparatus for cleaning drills

1985-05-01

1987-03-17

Novosad, Stephen J.

Boring or penetrating the earth

With above-ground cleaner for boring means

1510404, E21B 1206

Patent

active

046500120

ABSTRACT:
The invention relates to an apparatus for cleaning, during its extraction without rotation, of a drill formed from a helical surface wound around an axial stem. It comprises a scraper blade capable of being inserted at will between two turns of the helical drill, and that it comprises a motor for causing the scraper blade to revolve around the stem substantially in synchronism with the speed of extraction of the drill.

REFERENCES:
patent: 2000195 (1935-05-01), Siebel
patent: 3581833 (1971-06-01), Hennecke et al.
patent: 4533000 (1985-08-01), van der Lely

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