Scabbler bits

Details Scabbler bits Scabbler bits

1982-06-23

1985-03-05

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Tooth mounted on helical head portion or head with helical...

175413, 299 91, E21B 1000

Patent

active

045027340

ABSTRACT:
There is provided an improved scabbler bit wherein the bit is fixable to a piston of a scabbling machine through a male shank portion. The shank portion carries a circumferential groove for cooperation in the side wall of the piston to hold the shank firmly within the piston. There is also provided a scabbler bit wherein the shank portion is separate from the carrier. A novel design of a scabbler tip is also disclosed together with a novel arrangement of tips on the base of a tip carrier.

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patent: 4225187 (1980-09-01), Allan

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