D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
D01G15/02—Carding machines
D01G15/12—Details
D01G15/36—Driving or speed control arrangements
B—PERFORMING OPERATIONS; TRANSPORTING
B24—GRINDING; POLISHING
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
B24B19/18—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli for grinding carding equipment, e.g. card-clothings