GB8827879D0 - Drill bit - Google Patents

Drill bit

Info

Publication number
GB8827879D0
GB8827879D0 GB888827879A GB8827879A GB8827879D0 GB 8827879 D0 GB8827879 D0 GB 8827879D0 GB 888827879 A GB888827879 A GB 888827879A GB 8827879 A GB8827879 A GB 8827879A GB 8827879 D0 GB8827879 D0 GB 8827879D0
Authority
GB
United Kingdom
Prior art keywords
drill bit
drill
bit
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.)
Withdrawn
Application number
GB888827879A
Other versions
GB2225262A (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.)
NICHOLSON B
Original Assignee
NICHOLSON B
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 NICHOLSON B filed Critical NICHOLSON B
Priority to GB8827879A priority Critical patent/GB2225262A/en
Publication of GB8827879D0 publication Critical patent/GB8827879D0/en
Publication of GB2225262A publication Critical patent/GB2225262A/en
Withdrawn legal-status Critical Current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
    • B23B51/04—Drills for trepanning
    • B23B51/0426—Drills for trepanning with centering devices
    • 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
    • B23B51/04—Drills for trepanning
    • B23B51/0411—Drills for trepanning with stepped tubular cutting bodies

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Drilling Tools (AREA)
GB8827879A 1988-11-29 1988-11-29 Drill bit Withdrawn GB2225262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8827879A GB2225262A (en) 1988-11-29 1988-11-29 Drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8827879A GB2225262A (en) 1988-11-29 1988-11-29 Drill bit

Publications (2)

Publication Number Publication Date
GB8827879D0 true GB8827879D0 (en) 1988-12-29
GB2225262A GB2225262A (en) 1990-05-30

Family

ID=10647671

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8827879A Withdrawn GB2225262A (en) 1988-11-29 1988-11-29 Drill bit

Country Status (1)

Country Link
GB (1) GB2225262A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6874978B2 (en) 2002-03-25 2005-04-05 Milwaukee Electric Tool Corporation Boring bit and methods for manufacturing boring bits
US7909547B2 (en) 2005-10-08 2011-03-22 Milwaukee Electric Tool Corporation Replaceable tip for a bit or auger bit
US8328477B2 (en) 2006-03-02 2012-12-11 Milwaukee Electric Tool Corporation Cutting tool
US7674078B1 (en) * 2006-07-28 2010-03-09 Mirko Buzdum Hole saw having efficient slug removal
WO2014121117A1 (en) 2013-02-01 2014-08-07 Milwaukee Electric Tool Corporation Auger bit with replaceable cutting bit
CN110842258B (en) * 2019-11-18 2020-11-17 中国空气动力研究与发展中心高速空气动力研究所 Method for adjusting cutting diameter of drill bit

Also Published As

Publication number Publication date
GB2225262A (en) 1990-05-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)