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.)
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Blau & Co
Original Assignee
Blau & Co
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Filing date
Publication date
Application filed by Blau & CofiledCriticalBlau & Co
Application grantedgrantedCritical
Publication of FR533431ApublicationCriticalpatent/FR533431A/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
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR533431D1915-12-041921-03-29Guidage oscillant pour mandrin de machine à affûter les mèches hélicoïdales
ExpiredFR533431A
(fr)