Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1989-03-13
1990-03-27
Rose, Robert
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51212, 51214, 76 82, 76 83, B24D 1506
Patent
active
049109235
ABSTRACT:
A tool for sharpening ice-skates is disclosed. The tool is hand-held, and uses a magnet to hold the cutting surface against the skate blade. The cutting face of the tool is convexly curved to fit the hollow portion of the blade. A liner, impregnated with abrasive dust, may be interposed between the magnet and the blade. The liner may be removed, and the magnet rubbed directly against the blade for final, fine sharpening. A cover for the magnet includes a safety guard and a gripping aid.
REFERENCES:
patent: 438699 (1890-10-01), Merrill
patent: 1006000 (1911-10-01), Oosdyke
patent: 1335813 (1920-04-01), Berghman
patent: 1466785 (1923-09-01), Brunell
patent: 1672508 (1928-06-01), Vallery
patent: 2042916 (1936-06-01), Viozzi
patent: 2054495 (1936-09-01), Corkum
patent: 2092831 (1937-09-01), Cannon
patent: 2327717 (1943-08-01), Johnson
patent: 2443733 (1948-06-01), Karge
patent: 3157973 (1964-11-01), Chattillion
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