Button sharpening

Details Button sharpening Button sharpening

1992-03-12

1993-02-02

Parker, Roscoe V.

Metal tools and implements, making

Machines

Drill-forming or sharpening

761082, B24B 710

Patent

active

051829711

ABSTRACT:
A hardmetal drill bit button is restored by forming its head to a chisel shape. Various chisel shapes and a machine for the purpose are disclosed. Also disclosed are various kinds of grinding wheels for the purpose, and a method and means for simultaneously dressing the steel of the bit body.

REFERENCES:
patent: 2268599 (1942-01-01), Kinney et al.
patent: 3830020 (1974-08-01), Gomi
patent: 4611438 (1986-09-01), Siden
patent: 4858388 (1989-08-01), Bice
patent: 4977709 (1990-12-01), Siden

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