GB2186512B - Sharpening apparatus - Google Patents

Sharpening apparatus

Info

Publication number
GB2186512B
GB2186512B GB8703911A GB8703911A GB2186512B GB 2186512 B GB2186512 B GB 2186512B GB 8703911 A GB8703911 A GB 8703911A GB 8703911 A GB8703911 A GB 8703911A GB 2186512 B GB2186512 B GB 2186512B
Authority
GB
United Kingdom
Prior art keywords
sharpening apparatus
sharpening
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
Application number
GB8703911A
Other versions
GB8703911D0 (en
GB2186512A (en
Inventor
Dennis Blakelock
David Edgerley
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.)
Alfred Brian Gardner
Original Assignee
Alfred Brian Gardner
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 Alfred Brian Gardner filed Critical Alfred Brian Gardner
Publication of GB8703911D0 publication Critical patent/GB8703911D0/en
Publication of GB2186512A publication Critical patent/GB2186512A/en
Application granted granted Critical
Publication of GB2186512B publication Critical patent/GB2186512B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/26—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/247—Supports for drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB8703911A 1986-02-19 1987-02-19 Sharpening apparatus Expired GB2186512B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868604127A GB8604127D0 (en) 1986-02-19 1986-02-19 Sharpening apparatus

Publications (3)

Publication Number Publication Date
GB8703911D0 GB8703911D0 (en) 1987-03-25
GB2186512A GB2186512A (en) 1987-08-19
GB2186512B true GB2186512B (en) 1989-11-08

Family

ID=10593337

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868604127A Pending GB8604127D0 (en) 1986-02-19 1986-02-19 Sharpening apparatus
GB8703911A Expired GB2186512B (en) 1986-02-19 1987-02-19 Sharpening apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868604127A Pending GB8604127D0 (en) 1986-02-19 1986-02-19 Sharpening apparatus

Country Status (4)

Country Link
EP (1) EP0263842A1 (en)
AU (1) AU7031487A (en)
GB (2) GB8604127D0 (en)
WO (1) WO1987004962A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201362A (en) * 1987-02-19 1988-09-01 Gardner Alfred B Collet holder for an elongate member
GB9022606D0 (en) * 1990-10-17 1990-11-28 Seear David Grinding of twist drills
ES2051616B1 (en) * 1991-09-30 1996-02-01 Lopez Hervas Pedro MACHINE TOOL FOR SHARPENING DRILLS.
GB2283444B (en) * 1992-01-24 1995-08-16 Turner Intellect Property Ltd Power tool adapter
US5241791A (en) * 1992-03-04 1993-09-07 Alfred Brian Gardner Edge tool sharpening apparatus
GB9517752D0 (en) * 1995-08-31 1995-11-01 Turner Intellect Property Ltd Implement working adapter
US6083088A (en) * 1996-08-23 2000-07-04 Turner Intellectual Property Limited Implement working adapter
WO2004002685A1 (en) * 2002-06-27 2004-01-08 The Gleason Works Clamping assembly
KR101353003B1 (en) * 2013-05-31 2014-01-22 정희경 Apparatus for grinding screw tap
US10702965B2 (en) 2018-03-19 2020-07-07 David Tubbs Cross-recess screwdriver grinding assembly
CN113996847A (en) * 2021-12-02 2022-02-01 常州市博斯特精密机械有限公司 Drill bit capable of improving working efficiency

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB239296A (en) * 1924-06-10 1925-09-10 Mayer & Schmidt Schleifmaschin Twist-drill grinding machine
GB306887A (en) * 1928-02-27 1929-07-11 Paul Touzot Improvements in or relating to apparatus for sharpening twist drills
GB431046A (en) * 1933-12-30 1935-07-01 William Robert Paige Improvements in and relating to apparatus for grinding twist drills and like tools
GB639043A (en) * 1942-03-04 1950-06-21 Maurice Abel Ruolle Grinding machine for sharpening twist drills
GB1233524A (en) * 1969-01-25 1971-05-26

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2080515A (en) * 1934-02-02 1937-05-18 Herbert E Tautz Drill grinding apparatus
US2133414A (en) * 1936-02-05 1938-10-18 Bahuaud Adrien Auguste Drill grinding machine
US2207804A (en) * 1938-10-28 1940-07-16 Niles Bement Pond Co Drill grinder
NL278512A (en) * 1961-05-16
US4365444A (en) * 1980-06-24 1982-12-28 Chwae John C Drill point grinding machine
DE3202362C2 (en) * 1982-01-26 1986-05-22 Fa. Gottlieb Gühring, 7470 Albstadt Device for sharpening a twist drill
US4471581A (en) * 1982-09-09 1984-09-18 Darex Corporation Universal twist drill sharpener apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB239296A (en) * 1924-06-10 1925-09-10 Mayer & Schmidt Schleifmaschin Twist-drill grinding machine
GB306887A (en) * 1928-02-27 1929-07-11 Paul Touzot Improvements in or relating to apparatus for sharpening twist drills
GB431046A (en) * 1933-12-30 1935-07-01 William Robert Paige Improvements in and relating to apparatus for grinding twist drills and like tools
GB639043A (en) * 1942-03-04 1950-06-21 Maurice Abel Ruolle Grinding machine for sharpening twist drills
GB1233524A (en) * 1969-01-25 1971-05-26

Also Published As

Publication number Publication date
GB8703911D0 (en) 1987-03-25
WO1987004962A1 (en) 1987-08-27
AU7031487A (en) 1987-09-09
GB8604127D0 (en) 1986-03-26
GB2186512A (en) 1987-08-19
EP0263842A1 (en) 1988-04-20

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20070218