FR1149603A - Perfectionnements aux machines à affûter les mèches de perforatrices - Google Patents

Perfectionnements aux machines à affûter les mèches de perforatrices

Info

Publication number
FR1149603A
FR1149603A FR1149603DA FR1149603A FR 1149603 A FR1149603 A FR 1149603A FR 1149603D A FR1149603D A FR 1149603DA FR 1149603 A FR1149603 A FR 1149603A
Authority
FR
France
Prior art keywords
punch bit
sharpening machines
bit sharpening
machines
punch
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)
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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 Atlas Copco AB filed Critical Atlas Copco AB
Application granted granted Critical
Publication of FR1149603A publication Critical patent/FR1149603A/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
    • B24B3/33—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of drills for stone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1149603D 1955-05-09 1956-05-09 Perfectionnements aux machines à affûter les mèches de perforatrices Expired FR1149603A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1149603XA 1955-05-09 1955-05-09

Publications (1)

Publication Number Publication Date
FR1149603A true FR1149603A (fr) 1957-12-30

Family

ID=22358515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1149603D Expired FR1149603A (fr) 1955-05-09 1956-05-09 Perfectionnements aux machines à affûter les mèches de perforatrices

Country Status (1)

Country Link
FR (1) FR1149603A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525179A (en) * 1967-10-02 1970-08-25 Elmer W Hillier Grinding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3525179A (en) * 1967-10-02 1970-08-25 Elmer W Hillier Grinding machine

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