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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GOTTLIEB GU HRING
Original Assignee
GOTTLIEB GU HRING
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 filed by GOTTLIEB GU HRINGfiledCriticalGOTTLIEB GU HRING
Application grantedgrantedCritical
Publication of FR1077812ApublicationCriticalpatent/FR1077812A/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
B24B3/247—Supports for drills
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR1077812D1952-05-281953-05-26Dispositif pour affûter les forets hélicoïdaux
ExpiredFR1077812A
(fr)