Replaceable tooth for a digging and breaking tool
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United States of America Patent
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-
Dec 8, 1987
Grant Date -
N/A
app pub date -
Aug 27, 1986
filing date -
Sep 6, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
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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