GB8600216D0 - Drills - Google Patents

Drills

Info

Publication number
GB8600216D0
GB8600216D0 GB868600216A GB8600216A GB8600216D0 GB 8600216 D0 GB8600216 D0 GB 8600216D0 GB 868600216 A GB868600216 A GB 868600216A GB 8600216 A GB8600216 A GB 8600216A GB 8600216 D0 GB8600216 D0 GB 8600216D0
Authority
GB
United Kingdom
Prior art keywords
drills
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.)
Granted
Application number
GB868600216A
Other versions
GB2184962B (en
GB2184962A (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.)
Payne D P
Original Assignee
Payne D P
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 Payne D P filed Critical Payne D P
Priority to GB8600216A priority Critical patent/GB2184962B/en
Publication of GB8600216D0 publication Critical patent/GB8600216D0/en
Publication of GB2184962A publication Critical patent/GB2184962A/en
Application granted granted Critical
Publication of GB2184962B publication Critical patent/GB2184962B/en
Expired 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
    • B23B51/0018—Drills for enlarging a hole
    • B23B51/0045—Drills for enlarging a hole by expanding or tilting the toolhead

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB8600216A 1986-01-07 1986-01-07 Improvements in drills Expired GB2184962B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8600216A GB2184962B (en) 1986-01-07 1986-01-07 Improvements in drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8600216A GB2184962B (en) 1986-01-07 1986-01-07 Improvements in drills

Publications (3)

Publication Number Publication Date
GB8600216D0 true GB8600216D0 (en) 1986-02-12
GB2184962A GB2184962A (en) 1987-07-08
GB2184962B GB2184962B (en) 1989-10-18

Family

ID=10590964

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8600216A Expired GB2184962B (en) 1986-01-07 1986-01-07 Improvements in drills

Country Status (1)

Country Link
GB (1) GB2184962B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789284A (en) * 1987-11-05 1988-12-06 White Scott A Self-cutting expansion anchor
EP0408379B1 (en) * 1989-07-14 1993-12-29 David Patrick Payne Improvements in drills
GB2246089B (en) * 1990-07-16 1994-01-12 David Patrick Payne Improvements in drills
GB2297052B (en) * 1995-01-23 1998-02-18 David Patrick Payne Improvements in drills

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1200083A (en) * 1967-09-07 1970-07-29 Birmingham Small Arms Co Ltd Improvements in or relating to anchoring devices for bolts and the like
DE2650598A1 (en) * 1976-11-04 1978-05-18 Hilti Ag SELF-DRILLING PLUG WITH DRILL BIT

Also Published As

Publication number Publication date
GB2184962B (en) 1989-10-18
GB2184962A (en) 1987-07-08

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Legal Events

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

Effective date: 19990107