FR1052802A - Machine à affûter les forets - Google Patents

Machine à affûter les forets

Info

Publication number
FR1052802A
FR1052802A FR1052802DA FR1052802A FR 1052802 A FR1052802 A FR 1052802A FR 1052802D A FR1052802D A FR 1052802DA FR 1052802 A FR1052802 A FR 1052802A
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
William Edward Raney
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 FR1052802A publication Critical patent/FR1052802A/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
    • B24B3/32—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills for thinning the point

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1052802D 1952-01-15 1952-01-15 Machine à affûter les forets Expired FR1052802A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1052802T 1952-01-15

Publications (1)

Publication Number Publication Date
FR1052802A true FR1052802A (fr) 1954-01-28

Family

ID=9595516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1052802D Expired FR1052802A (fr) 1952-01-15 1952-01-15 Machine à affûter les forets

Country Status (1)

Country Link
FR (1) FR1052802A (fr)

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