Earth engaging cutter bit

Details Earth engaging cutter bit Earth engaging cutter bit

1988-07-20

1990-03-27

Kisliuk, Bruce M.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

175411, 299 86, F21C 3518

Patent

active

049115030

ABSTRACT:
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.

REFERENCES:
patent: 177973 (1976-05-01), Trissler
patent: 2614813 (1952-10-01), Shepherd
patent: 2628072 (1953-02-01), Baker
patent: 2707619 (1955-05-01), Andersson
patent: 2784943 (1957-03-01), Bylund
patent: 3519309 (1970-07-01), Engle et al.
patent: 4150728 (1979-04-01), Garner et al.
patent: 4176725 (1979-12-01), Shields
patent: 4190127 (1980-02-01), Wolf
patent: 4201421 (1980-05-01), Den Besten et al.
patent: 4216832 (1980-08-01), Stephenson et al.
patent: 4497520 (1985-02-01), Ojanen
patent: 4547020 (1985-10-01), Ojanen
Kennametal Inc. Drawing Nos. 285-9187 (1969) and 082-8890A (1969).
Handy and Harman Technical Data Sheet No. D-74 (1984).
Designing with Kennametal (1957) pp. 6-19.
Designing with Kennametal (1980) pp. 28-39.

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