FR547703A - Tarière pour percer des trous coniques - Google Patents

Tarière pour percer des trous coniques

Info

Publication number
FR547703A
FR547703A FR547703DA FR547703A FR 547703 A FR547703 A FR 547703A FR 547703D A FR547703D A FR 547703DA FR 547703 A FR547703 A FR 547703A
Authority
FR
France
Prior art keywords
auger
conical holes
drilling conical
drilling
holes
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
Elysee Pagnon
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 FR547703A publication Critical patent/FR547703A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
    • B23B49/003—Stops attached to drilling tools, tool holders or drilling machines
    • B23B49/005—Attached to the drill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR547703D 1921-04-09 1921-04-09 Tarière pour percer des trous coniques Expired FR547703A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR547703T 1921-04-09

Publications (1)

Publication Number Publication Date
FR547703A true FR547703A (fr) 1922-12-22

Family

ID=8934381

Family Applications (1)

Application Number Title Priority Date Filing Date
FR547703D Expired FR547703A (fr) 1921-04-09 1921-04-09 Tarière pour percer des trous coniques

Country Status (1)

Country Link
FR (1) FR547703A (fr)

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