GB2278793B - Hole cutting tool - Google Patents

Hole cutting tool

Info

Publication number
GB2278793B
GB2278793B GB9409255A GB9409255A GB2278793B GB 2278793 B GB2278793 B GB 2278793B GB 9409255 A GB9409255 A GB 9409255A GB 9409255 A GB9409255 A GB 9409255A GB 2278793 B GB2278793 B GB 2278793B
Authority
GB
United Kingdom
Prior art keywords
cutting tool
hole cutting
hole
tool
cutting
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
GB9409255A
Other versions
GB9409255D0 (en
GB2278793A (en
Inventor
Stephen Sheldon
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.)
BRADFORD TOOL AND GAUGE Ltd
Original Assignee
BRADFORD TOOL AND GAUGE Ltd
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 BRADFORD TOOL AND GAUGE Ltd filed Critical BRADFORD TOOL AND GAUGE Ltd
Priority to GB9409255A priority Critical patent/GB2278793B/en
Publication of GB9409255D0 publication Critical patent/GB9409255D0/en
Publication of GB2278793A publication Critical patent/GB2278793A/en
Application granted granted Critical
Publication of GB2278793B publication Critical patent/GB2278793B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2240/00—Details of connections of tools or workpieces
    • B23B2240/08—Brazed connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/40—Flutes, i.e. chip conveying grooves
    • B23B2251/408—Spiral grooves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
GB9409255A 1994-05-10 1994-05-10 Hole cutting tool Expired - Fee Related GB2278793B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9409255A GB2278793B (en) 1994-05-10 1994-05-10 Hole cutting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9409255A GB2278793B (en) 1994-05-10 1994-05-10 Hole cutting tool

Publications (3)

Publication Number Publication Date
GB9409255D0 GB9409255D0 (en) 1994-06-29
GB2278793A GB2278793A (en) 1994-12-14
GB2278793B true GB2278793B (en) 1996-08-21

Family

ID=10754846

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9409255A Expired - Fee Related GB2278793B (en) 1994-05-10 1994-05-10 Hole cutting tool

Country Status (1)

Country Link
GB (1) GB2278793B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5791837A (en) * 1996-08-16 1998-08-11 Johnson; Samuel Annular tool for cutting holes in metal
GB2319739B (en) * 1997-07-08 1998-10-14 Bradford Tool And Gauge Ltd Hole-cutting tool
WO2011158378A1 (en) * 2010-06-18 2011-12-22 日東工器株式会社 Ring-shaped hole cutter
CN105195795A (en) * 2015-10-19 2015-12-30 无锡市永亿精密铸造有限公司 Double-side drill bit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2086279A (en) * 1980-10-27 1982-05-12 Codman & Shurtleff Cranial drill
GB2160129A (en) * 1984-06-11 1985-12-18 Omi Kogyo Kk Hole cutter
GB2182588A (en) * 1985-11-11 1987-05-20 Dennis Hubbard Annular hole cutter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2086279A (en) * 1980-10-27 1982-05-12 Codman & Shurtleff Cranial drill
GB2160129A (en) * 1984-06-11 1985-12-18 Omi Kogyo Kk Hole cutter
GB2182588A (en) * 1985-11-11 1987-05-20 Dennis Hubbard Annular hole cutter

Also Published As

Publication number Publication date
GB9409255D0 (en) 1994-06-29
GB2278793A (en) 1994-12-14

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080510