GB2248200B - Further improvements in drills - Google Patents

Further improvements in drills

Info

Publication number
GB2248200B
GB2248200B GB9021125A GB9021125A GB2248200B GB 2248200 B GB2248200 B GB 2248200B GB 9021125 A GB9021125 A GB 9021125A GB 9021125 A GB9021125 A GB 9021125A GB 2248200 B GB2248200 B GB 2248200B
Authority
GB
United Kingdom
Prior art keywords
drills
further improvements
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
GB9021125A
Other versions
GB9021125D0 (en
GB2248200A (en
Inventor
David Patrick Payne
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9021125A priority Critical patent/GB2248200B/en
Publication of GB9021125D0 publication Critical patent/GB9021125D0/en
Publication of GB2248200A publication Critical patent/GB2248200A/en
Application granted granted Critical
Publication of GB2248200B publication Critical patent/GB2248200B/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
    • B23B51/0018—Drills for enlarging a hole
    • B23B51/0045—Drills for enlarging a hole by expanding or tilting the toolhead
GB9021125A 1990-09-28 1990-09-28 Further improvements in drills Expired - Fee Related GB2248200B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9021125A GB2248200B (en) 1990-09-28 1990-09-28 Further improvements in drills

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9021125A GB2248200B (en) 1990-09-28 1990-09-28 Further improvements in drills

Publications (3)

Publication Number Publication Date
GB9021125D0 GB9021125D0 (en) 1990-11-14
GB2248200A GB2248200A (en) 1992-04-01
GB2248200B true GB2248200B (en) 1994-02-16

Family

ID=10682898

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9021125A Expired - Fee Related GB2248200B (en) 1990-09-28 1990-09-28 Further improvements in drills

Country Status (1)

Country Link
GB (1) GB2248200B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9207000U1 (en) * 1992-05-23 1993-06-24 Heule, Heinrich, Au, Ch
GB2291369B (en) * 1994-07-15 1998-06-10 Unicorn Abrasives Ltd Forming holes
GB2297052B (en) * 1995-01-23 1998-02-18 David Patrick Payne Improvements in drills

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442161A (en) * 1965-12-14 1969-05-06 Norman E Moyse Ceramic drill
GB1434173A (en) * 1973-06-20 1976-05-05 Stumpp Kurz Drilling of holes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442161A (en) * 1965-12-14 1969-05-06 Norman E Moyse Ceramic drill
GB1434173A (en) * 1973-06-20 1976-05-05 Stumpp Kurz Drilling of holes

Also Published As

Publication number Publication date
GB9021125D0 (en) 1990-11-14
GB2248200A (en) 1992-04-01

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Legal Events

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

Effective date: 20020928