GB2444634B - Drill bit - Google Patents

Drill bit

Info

Publication number
GB2444634B
GB2444634B GB0723752A GB0723752A GB2444634B GB 2444634 B GB2444634 B GB 2444634B GB 0723752 A GB0723752 A GB 0723752A GB 0723752 A GB0723752 A GB 0723752A GB 2444634 B GB2444634 B GB 2444634B
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.)
Expired - Fee Related
Application number
GB0723752A
Other versions
GB2444634A (en
GB0723752D0 (en
Inventor
Laverne R Durfee
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.)
Irwin Industrial Tool Co
Original Assignee
Irwin Industrial Tool Co
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
Priority claimed from US11/567,355 external-priority patent/US20080138165A1/en
Application filed by Irwin Industrial Tool Co filed Critical Irwin Industrial Tool Co
Priority to GB0723752A priority Critical patent/GB2444634B/en
Publication of GB0723752D0 publication Critical patent/GB0723752D0/en
Publication of GB2444634A publication Critical patent/GB2444634A/en
Application granted granted Critical
Publication of GB2444634B publication Critical patent/GB2444634B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B23B51/0081—Conical drills
    • 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
    • B27G15/02—Drills for undercutting holes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Drilling Tools (AREA)
GB0723752A 2006-12-06 2007-12-05 Drill bit Expired - Fee Related GB2444634B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0723752A GB2444634B (en) 2006-12-06 2007-12-05 Drill bit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/567,355 US20080138165A1 (en) 2006-12-06 2006-12-06 Drill bit
GB0723752A GB2444634B (en) 2006-12-06 2007-12-05 Drill bit

Publications (3)

Publication Number Publication Date
GB0723752D0 GB0723752D0 (en) 2008-01-16
GB2444634A GB2444634A (en) 2008-06-11
GB2444634B true GB2444634B (en) 2011-03-02

Family

ID=38983342

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0723752A Expired - Fee Related GB2444634B (en) 2006-12-06 2007-12-05 Drill bit

Country Status (1)

Country Link
GB (1) GB2444634B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11692578B2 (en) 2018-09-26 2023-07-04 Illinois Tool Works Inc. Post-to-beam fastener

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2358077A (en) * 1943-04-09 1944-09-12 Kett Tool Company Auger bit
GB681204A (en) * 1950-01-30 1952-10-22 William Henry Hearn Improvements in and relating to drilling tools
CH658812A5 (en) * 1983-12-13 1986-12-15 Sphinxwerke Mueller & Cie Ag Three-fluted twist drill
GB2219229A (en) * 1988-05-03 1989-12-06 Kwo Werkzeuge Gmbh Drill bit
US5888036A (en) * 1990-02-27 1999-03-30 Hitachi Seiko, Ltd. Drill bit and step feeding method
US6089337A (en) * 1997-02-22 2000-07-18 Hilti Aktiengesellschaft Drilling and/or chiseling tool
DE20006541U1 (en) * 1999-04-07 2000-08-10 Famag Werkzeugfabrik Friedr Au Auger bits for wood
JP2006192820A (en) * 2005-01-17 2006-07-27 Kobayashi Gimune Seisakusho:Kk Drill for woodworking

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2358077A (en) * 1943-04-09 1944-09-12 Kett Tool Company Auger bit
GB681204A (en) * 1950-01-30 1952-10-22 William Henry Hearn Improvements in and relating to drilling tools
CH658812A5 (en) * 1983-12-13 1986-12-15 Sphinxwerke Mueller & Cie Ag Three-fluted twist drill
GB2219229A (en) * 1988-05-03 1989-12-06 Kwo Werkzeuge Gmbh Drill bit
US5888036A (en) * 1990-02-27 1999-03-30 Hitachi Seiko, Ltd. Drill bit and step feeding method
US6089337A (en) * 1997-02-22 2000-07-18 Hilti Aktiengesellschaft Drilling and/or chiseling tool
DE20006541U1 (en) * 1999-04-07 2000-08-10 Famag Werkzeugfabrik Friedr Au Auger bits for wood
JP2006192820A (en) * 2005-01-17 2006-07-27 Kobayashi Gimune Seisakusho:Kk Drill for woodworking

Also Published As

Publication number Publication date
GB2444634A (en) 2008-06-11
GB0723752D0 (en) 2008-01-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20161205