Cutter bit

Details Cutter bit Cutter bit

E - Fixed Constructions

21

C

262/83

E21C 35/18 (2006.01) E21C 35/183 (2006.01)

Patent

CA 1313382

ABSTRACT OF THE DISCLOSURE A cutter bit for use in construction and/or excavation applications is provided having a hard wear resistant tip joined to a steel shank. The wear resistant tip is rotational symmetric about its longitudinal axis and has a rear end having a socket therein in which is bonded a steel protrusion on the forward end of the steel shank. The tip socket and an outer rearmost facing surface on the tip rear end have respective pluralities of first and second dimples formed thereon and protruding therefrom for spacing, centering and aligning the tip on the bit body to facilitate formation of a braze joint of a desired given cross- sectional thickness profile between the tip and bit body.

606110

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