FR812340A - Machine à affûter les mèches de forets - Google Patents

Machine à affûter les mèches de forets

Info

Publication number
FR812340A
FR812340A FR812340DA FR812340A FR 812340 A FR812340 A FR 812340A FR 812340D A FR812340D A FR 812340DA FR 812340 A FR812340 A FR 812340A
Authority
FR
France
Prior art keywords
drill bit
sharpening machine
bit sharpening
machine
drill
Prior art date
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.)
Expired
Application number
Other languages
English (en)
Inventor
Fouquet
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 filed Critical
Application granted granted Critical
Publication of FR812340A publication Critical patent/FR812340A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B24B3/26—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR812340D 1936-01-15 1936-01-15 Machine à affûter les mèches de forets Expired FR812340A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR812340T 1936-01-15

Publications (1)

Publication Number Publication Date
FR812340A true FR812340A (fr) 1937-05-07

Family

ID=9265041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR812340D Expired FR812340A (fr) 1936-01-15 1936-01-15 Machine à affûter les mèches de forets

Country Status (1)

Country Link
FR (1) FR812340A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498701A (en) * 1945-04-20 1950-02-28 Munro Gordon Drill grinder
US5001868A (en) * 1989-03-01 1991-03-26 Werner Jankus Apparatus for grinding a point on a tungsten electrode
EP0405338A3 (en) * 1989-06-28 1991-07-24 V.P.M. S.R.L. Sharpening machine for twist drills, in particular for drilling machines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498701A (en) * 1945-04-20 1950-02-28 Munro Gordon Drill grinder
US5001868A (en) * 1989-03-01 1991-03-26 Werner Jankus Apparatus for grinding a point on a tungsten electrode
EP0405338A3 (en) * 1989-06-28 1991-07-24 V.P.M. S.R.L. Sharpening machine for twist drills, in particular for drilling machines

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