AU6299299A - Drill bits - Google Patents

Drill bits

Info

Publication number
AU6299299A
AU6299299A AU62992/99A AU6299299A AU6299299A AU 6299299 A AU6299299 A AU 6299299A AU 62992/99 A AU62992/99 A AU 62992/99A AU 6299299 A AU6299299 A AU 6299299A AU 6299299 A AU6299299 A AU 6299299A
Authority
AU
Australia
Prior art keywords
drill bits
drill
bits
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.)
Abandoned
Application number
AU62992/99A
Inventor
Andre Jurgens
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU6299299A publication Critical patent/AU6299299A/en
Abandoned 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
    • B23B51/009—Stepped drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
AU62992/99A 1999-08-11 1999-08-11 Drill bits Abandoned AU6299299A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ZA1999/000066 WO2001010587A1 (en) 1999-08-11 1999-08-11 Drill bits

Publications (1)

Publication Number Publication Date
AU6299299A true AU6299299A (en) 2001-03-05

Family

ID=25587496

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62992/99A Abandoned AU6299299A (en) 1999-08-11 1999-08-11 Drill bits

Country Status (2)

Country Link
AU (1) AU6299299A (en)
WO (1) WO2001010587A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0423942D0 (en) * 2004-10-28 2004-12-01 J & G Hall Ltd Drills
US9156094B2 (en) * 2012-01-23 2015-10-13 Irwin Industrial Tool Company Step drill for wood
WO2014197761A1 (en) 2013-06-06 2014-12-11 Milwaukee Electric Tool Corporation Step drill bit
CN103658704A (en) * 2013-12-05 2014-03-26 周世军 Machining cutter used for manufacturing stepped taper hole machine barrels
DE102016214386A1 (en) * 2016-07-14 2018-01-18 MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG Step drills
US11273501B2 (en) 2018-04-26 2022-03-15 Milwaukee Electric Tool Corporation Step drill bit
AU2020254702A1 (en) * 2019-04-04 2021-10-14 Miller Dowel Company Stepped drill bit with alternately sharpened edges to clean-out obscured fastener openings in cross laminated timber joints
US11260459B2 (en) 2020-04-30 2022-03-01 The Boeing Company Tools and methods for forming aligned holes from near full-sized holes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB540073A (en) * 1940-07-22 1941-10-03 Ferranti Ltd Improvements in or relating to metal drills
US2389909A (en) * 1944-01-17 1945-11-27 Hofbauer Frank Rotary cutting tool
SE426148B (en) * 1981-10-12 1982-12-13 Hugo Linden BUILDING BORR
US4582458A (en) * 1984-08-09 1986-04-15 American Saw & Mfg. Company Stepped drill construction
US5326196A (en) * 1993-06-21 1994-07-05 Noll Robert R Pilot drill bit
DE9414659U1 (en) * 1994-09-09 1994-11-17 Dürr Präzisionswerkzeuge GmbH, 74613 Öhringen Multi-step drill
US5466100A (en) * 1994-10-24 1995-11-14 Alfa Manufacturing Industries, Inc. Multi-stepped power drill bit having handle chuck adaptor

Also Published As

Publication number Publication date
WO2001010587A1 (en) 2001-02-15

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase