FR922108A - Perfectionnements à l'affûtage des forets hélicoïdaux - Google Patents

Perfectionnements à l'affûtage des forets hélicoïdaux

Info

Publication number
FR922108A
FR922108A FR922108DA FR922108A FR 922108 A FR922108 A FR 922108A FR 922108D A FR922108D A FR 922108DA FR 922108 A FR922108 A FR 922108A
Authority
FR
France
Prior art keywords
twist drill
drill sharpening
sharpening
twist
sharpening improvements
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
Victor Line
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 FR922108A publication Critical patent/FR922108A/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)
FR922108D 1945-12-14 1945-12-14 Perfectionnements à l'affûtage des forets hélicoïdaux Expired FR922108A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922108T 1945-12-14

Publications (1)

Publication Number Publication Date
FR922108A true FR922108A (fr) 1947-05-30

Family

ID=9437775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922108D Expired FR922108A (fr) 1945-12-14 1945-12-14 Perfectionnements à l'affûtage des forets hélicoïdaux

Country Status (1)

Country Link
FR (1) FR922108A (fr)

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