Method of cutting and cutting rotative bit

Details Method of cutting and cutting rotative bit Method of cutting and cutting rotative bit

1995-02-27

1996-05-28

Bagnell, David J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Rolling or rotatable-type bit mount

299111, E21C 3518

Patent

active

055204449

ABSTRACT:
A rotating cutting tool has a cutting annular element which is mounted and displaced so that the cutting annular element has an attack angle exceeding 90.degree.. The cutting element has a convex cutting front face and a skew angle between 0.degree. and 90.degree..

REFERENCES:
patent: 5078219 (1992-01-01), Morrell et al.

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