FR511759A - Drill sharpening machine - Google Patents

Drill sharpening machine

Info

Publication number
FR511759A
FR511759A FR511759A FR511759DA FR511759A FR 511759 A FR511759 A FR 511759A FR 511759 A FR511759 A FR 511759A FR 511759D A FR511759D A FR 511759DA FR 511759 A FR511759 A FR 511759A
Authority
FR
France
Prior art keywords
sharpening machine
drill sharpening
drill
machine
sharpening
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
FR511759A
Other languages
French (fr)
Inventor
Charles Christiansen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR511759A publication Critical patent/FR511759A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
    • B21K5/06—Dressing, e.g. sharpening rock drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR511759A 1915-08-27 1915-08-27 Drill sharpening machine Expired FR511759A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR511759T 1915-08-27

Publications (1)

Publication Number Publication Date
FR511759A true FR511759A (en) 1921-01-04

Family

ID=8912544

Family Applications (1)

Application Number Title Priority Date Filing Date
FR511759A Expired FR511759A (en) 1915-08-27 1915-08-27 Drill sharpening machine

Country Status (1)

Country Link
FR (1) FR511759A (en)

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