Earth boring auger

Details Earth boring auger Earth boring auger

E - Fixed Constructions

21

B

255/67

E21B 10/00 (2006.01) E21B 10/12 (2006.01) E21B 10/44 (2006.01)

Patent

CA 1053658

ABSTRACT OF THE DISCLOSURE An earth boring auger having a shaft and helical flights thereon and a plurality of disc cutters mounted below the flights and behind the leading edge thereof to engage the formation before it is engaged by the flights.

264402

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