AT280573B - Center drill - Google Patents

Center drill

Info

Publication number
AT280573B
AT280573B AT375366A AT375366A AT280573B AT 280573 B AT280573 B AT 280573B AT 375366 A AT375366 A AT 375366A AT 375366 A AT375366 A AT 375366A AT 280573 B AT280573 B AT 280573B
Authority
AT
Austria
Prior art keywords
center drill
drill
center
Prior art date
Application number
AT375366A
Other languages
German (de)
Inventor
Ernst Zobrist
Original Assignee
Ernst Zobrist
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 Ernst Zobrist filed Critical Ernst Zobrist
Application granted granted Critical
Publication of AT280573B publication Critical patent/AT280573B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G15/00—Boring or turning tools; Augers
    • 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
    • B23B51/107—Bits for countersinking having a pilot

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Drilling And Boring (AREA)
AT375366A 1965-05-05 1966-04-21 Center drill AT280573B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH626365A CH428180A (en) 1965-05-05 1965-05-05 Drill with guide organ

Publications (1)

Publication Number Publication Date
AT280573B true AT280573B (en) 1970-04-27

Family

ID=4306814

Family Applications (1)

Application Number Title Priority Date Filing Date
AT375366A AT280573B (en) 1965-05-05 1966-04-21 Center drill

Country Status (5)

Country Link
AT (1) AT280573B (en)
CH (1) CH428180A (en)
DE (1) DE1552509A1 (en)
DK (1) DK112126B (en)
FR (1) FR1477385A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617753A1 (en) * 1987-07-07 1989-01-13 Stahl Joseph Multiple-use wood drill bit for experienced professionals and DIY enthusiasts

Also Published As

Publication number Publication date
FR1477385A (en) 1967-04-14
CH428180A (en) 1967-01-15
DK112126B (en) 1968-11-11
DE1552509A1 (en) 1969-08-21

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time