GB2431368B - Spade bit - Google Patents

Spade bit

Info

Publication number
GB2431368B
GB2431368B GB0612804A GB0612804A GB2431368B GB 2431368 B GB2431368 B GB 2431368B GB 0612804 A GB0612804 A GB 0612804A GB 0612804 A GB0612804 A GB 0612804A GB 2431368 B GB2431368 B GB 2431368B
Authority
GB
United Kingdom
Prior art keywords
spade bit
spade
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
GB0612804A
Other versions
GB0612804D0 (en
GB2431368A (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 US11/163,489 external-priority patent/US7473056B2/en
Application filed by Irwin Industrial Tool Co filed Critical Irwin Industrial Tool Co
Priority to GB0612804A priority Critical patent/GB2431368B/en
Priority to GB0911400A priority patent/GB2458598B/en
Publication of GB0612804D0 publication Critical patent/GB0612804D0/en
Publication of GB2431368A publication Critical patent/GB2431368A/en
Application granted granted Critical
Publication of GB2431368B publication Critical patent/GB2431368B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/0002—Drills with connected cutting heads, e.g. with non-exchangeable cutting heads; Drills with a single insert extending across the rotational axis and having at least two radially extending cutting edges in the working position
    • B23B51/0003—Drills with connected cutting heads, e.g. with non-exchangeable cutting heads; Drills with a single insert extending across the rotational axis and having at least two radially extending cutting edges in the working position with exchangeable heads or inserts
    • B23B51/00035—Spade drills
    • B23B51/0009—
    • 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
    • B23B2228/00—Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
    • B23B2228/10—Coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/04—Angles, e.g. cutting angles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/14—Configuration of the cutting part, i.e. the main cutting edges

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Drilling Tools (AREA)
GB0612804A 2005-10-20 2006-06-28 Spade bit Expired - Fee Related GB2431368B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0612804A GB2431368B (en) 2005-10-20 2006-06-28 Spade bit
GB0911400A GB2458598B (en) 2005-10-20 2006-06-28 Spade bit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/163,489 US7473056B2 (en) 2005-10-20 2005-10-20 Spade bit
GB0612804A GB2431368B (en) 2005-10-20 2006-06-28 Spade bit

Publications (3)

Publication Number Publication Date
GB0612804D0 GB0612804D0 (en) 2006-08-09
GB2431368A GB2431368A (en) 2007-04-25
GB2431368B true GB2431368B (en) 2010-03-03

Family

ID=36888213

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0612804A Expired - Fee Related GB2431368B (en) 2005-10-20 2006-06-28 Spade bit

Country Status (1)

Country Link
GB (1) GB2431368B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8070397B2 (en) 2008-02-19 2011-12-06 Irwin Industrial Tool Company Self feed bit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015109485A1 (en) * 2014-01-23 2015-07-30 杭州巨星工具有限公司 Flat drill bit
CN104802245B (en) * 2014-01-23 2019-07-09 杭州巨星工具有限公司 Chit drill
USD863384S1 (en) * 2018-04-30 2019-10-15 Disston Company Spade drill bit
US20220305570A1 (en) * 2021-03-24 2022-09-29 Black & Decker Inc. Spade drill bits

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2083767A (en) * 1980-08-29 1982-03-31 Hosoi Toshiaki Fluted drill
EP0127322A1 (en) * 1983-04-28 1984-12-05 General Electric Company Balanced drill with center cutting action
US4826364A (en) * 1986-08-27 1989-05-02 Stellram S.A. One-piece rotary material removing tool of sintered hard metal
WO1997011346A1 (en) * 1995-09-19 1997-03-27 Commonwealth Scientific And Industrial Research Organisation Wood corer device
EP0775560A2 (en) * 1995-11-24 1997-05-28 Kanefusa Corporation Wood working drill bit
US6227774B1 (en) * 1999-06-24 2001-05-08 Tetrason Diversified Corp. Spade drill bit
WO2004080632A1 (en) * 2003-03-11 2004-09-23 Credo Technology Corporation Spade drill bit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2083767A (en) * 1980-08-29 1982-03-31 Hosoi Toshiaki Fluted drill
EP0127322A1 (en) * 1983-04-28 1984-12-05 General Electric Company Balanced drill with center cutting action
US4826364A (en) * 1986-08-27 1989-05-02 Stellram S.A. One-piece rotary material removing tool of sintered hard metal
WO1997011346A1 (en) * 1995-09-19 1997-03-27 Commonwealth Scientific And Industrial Research Organisation Wood corer device
EP0775560A2 (en) * 1995-11-24 1997-05-28 Kanefusa Corporation Wood working drill bit
US6227774B1 (en) * 1999-06-24 2001-05-08 Tetrason Diversified Corp. Spade drill bit
WO2004080632A1 (en) * 2003-03-11 2004-09-23 Credo Technology Corporation Spade drill bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8070397B2 (en) 2008-02-19 2011-12-06 Irwin Industrial Tool Company Self feed bit

Also Published As

Publication number Publication date
GB0612804D0 (en) 2006-08-09
GB2431368A (en) 2007-04-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190725 AND 20190731

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200628