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US 12,601,259 B2Granted
Rebuildable hard surface cutting tip for mining bit
AssigneeBit Service Company LTD
InventorsScott Bahr, Ian Cheshuk
Life of this patent
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Abstract
A replaceable bit for use in radial mining equipment and methods for manufacturing and rebuilding the bit, the bit having a body, the body having a retention portion and an ore face engagement portion, the ore face engagement portion having an ore-facing surface, where the ore-facing surface is provided with hard surfacing.
Claims9
A replaceable bit for use in radial mining equipment, the bit comprising:
- a body, the body comprising a retention portion and an ore face engagement portion, the ore face engagement portion having an ore-facing surface and an as-forged forward angle, the ore face engagement portion further provided with a flat back cut angle independent of the as-forged forward angle;
- and
- a non-embedded cutting surface applied on the ore-facing surface;
- wherein the cutting surface is composed of shaped and sharpened hard surfacing oriented along the flat back cut angle at a forward edge thereof.
1 more element
Dependencies are inferred from the claim text.