Mining or in situ disintegration of hard material – Cutter tooth or tooth head
Patent
1986-08-27
1987-12-08
Novosad, Stephen J.
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
37142R, 172719, E21C 3518, E02F 928, A01B 2302
Patent
active
047115033
ABSTRACT:
A replaceable tooth article is disclosed for a digging and breaking tool used in a suction head of an excavator consisting of an adapter and a replaceable tooth having a pyramidal outer shape modified with a rounded apex and a plurality of rounded edges. The replaceable tooth is provided with a core composed of a low alloy, temperable and hardenable steel. A tooth peak of hard metal is mounted on the core. The edges of the core extending from the tooth peak are at least partially bevelled. On the bevelled surfaces formed thereby a plurality of edge elements composed of a hard metal, advantageously a carbide metal, are placed so as to form hard metal reinforced edges. All components of the tooth are joined together in a smooth surface.
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Berchem Rutger
Prokscha Georg
Bagnell David J.
Berchem & Schaberg GmbH
Dubno Herbert
Novosad Stephen J.
Ross Karl F.
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