Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
Maschine zum Schleifen oder Polieren runder oder unrunder, in ihrer Laengsachse gerader oder gebogener Werkstuecke mit um das Werkstueck kreisenden, umlaufenden Werkzeugen
Vorrichtung zur Herstellung von Spiralnuten (Schraubennuten) in kegelfoermigen oder aehnlichen von der zylindrischen Form abweichenden Rotationskoerpern