Roller cutter

Details Roller cutter Roller cutter

E - Fixed Constructions

02

F

37/4

E02F 5/30 (2006.01) B28D 1/18 (2006.01) E02F 5/32 (2006.01) E02F 9/28 (2006.01) E21B 10/16 (2006.01)

Patent

CA 1125500

ABSTRACT A roller cutter especially adapted to fracture permafrost material includes a plurality of cutter teeth integrally formed with, and extending radially outwardly from the outer surface of a rotor. The rotor is anti- frictionally supported on a stator to enable it to rotate about it along its longitudinal axis. The cutter teeth are arranged about the circumference of the rotor in a plurality of rings, with the rings uniformly spaced along the length of the rotor. The rings of teeth are progressively rotated relative to each other so that corresponding teeth of adjacent rows are staggered with respect to each other. However, the teeth of the rows at each end of the rotor are aligned along the rotor length.

343050

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