FR485318A - Drill bit sharpening machine - Google Patents

Drill bit sharpening machine

Info

Publication number
FR485318A
FR485318A FR485318DA FR485318A FR 485318 A FR485318 A FR 485318A FR 485318D A FR485318D A FR 485318DA FR 485318 A FR485318 A FR 485318A
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
French (fr)
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.)
J GEO LEYNER ENGINEERING WORKS Co
Original Assignee
J GEO LEYNER ENGINEERING WORKS Co
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 J GEO LEYNER ENGINEERING WORKS Co filed Critical J GEO LEYNER ENGINEERING WORKS Co
Application granted granted Critical
Publication of FR485318A publication Critical patent/FR485318A/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)
FR485318D 1917-05-01 1917-05-01 Drill bit sharpening machine Expired FR485318A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR485318T 1917-05-01

Publications (1)

Publication Number Publication Date
FR485318A true FR485318A (en) 1917-12-28

Family

ID=1522039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR485318D Expired FR485318A (en) 1917-05-01 1917-05-01 Drill bit sharpening machine

Country Status (1)

Country Link
FR (1) FR485318A (en)

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