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B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
B24B5/36—Single-purpose machines or devices
B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
B24B5/485—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies using grinding wires or ropes
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FR885669D1942-05-041942-05-04Procédé et dispositif pour polir le chas des aiguilles à l'aide d'un fil chargé d'abrasif
ExpiredFR885669A
(fr)