FR548211A - Drilling tool - Google Patents

Drilling tool

Info

Publication number
FR548211A
FR548211A FR548211DA FR548211A FR 548211 A FR548211 A FR 548211A FR 548211D A FR548211D A FR 548211DA FR 548211 A FR548211 A FR 548211A
Authority
FR
France
Prior art keywords
drilling tool
drilling
tool
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)
Inventor
Paul Breddin
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 FR548211A publication Critical patent/FR548211A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/10—Bits for countersinking
    • B23B51/108—Bits for countersinking having a centering drill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
FR548211D 1922-01-06 1922-03-04 Drilling tool Expired FR548211A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB103136D DE375684C (en) 1922-01-06 1922-01-06 Removable tool for trimming and countersinking on twist drills

Publications (1)

Publication Number Publication Date
FR548211A true FR548211A (en) 1923-01-10

Family

ID=6990646

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548211D Expired FR548211A (en) 1922-01-06 1922-03-04 Drilling tool

Country Status (2)

Country Link
DE (1) DE375684C (en)
FR (1) FR548211A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19915672C2 (en) * 1999-04-07 2002-05-29 Homag Maschinenbau Ag Device for processing edges of a plate-shaped workpiece with several cutting tools

Also Published As

Publication number Publication date
DE375684C (en) 1923-05-17

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