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.)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR1243633ApublicationCriticalpatent/FR1243633A/fr
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
B24B3/245—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills for simultaneously sharpening several drills; Supports therefor
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR813501A1958-12-241959-12-18Dispositif pour l'affûtage des lames de forets hélicoïdaux à tige cylindrique
ExpiredFR1243633A
(fr)