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GB2139930B - Drill sharpening tool - Google Patents

Drill sharpening tool

Info

Publication number
GB2139930B
GB2139930B GB08410984A GB8410984A GB2139930B GB 2139930 B GB2139930 B GB 2139930B GB 08410984 A GB08410984 A GB 08410984A GB 8410984 A GB8410984 A GB 8410984A GB 2139930 B GB2139930 B GB 2139930B
Authority
GB
United Kingdom
Prior art keywords
sharpening tool
drill sharpening
drill
tool
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
GB08410984A
Other versions
GB8410984D0 (en
GB2139930A (en
Inventor
Thomas Ketteringham
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
Priority claimed from DE19742445453 external-priority patent/DE2445453C2/en
Priority to FR7529299A priority Critical patent/FR2285959A1/en
Priority claimed from GB838311945A external-priority patent/GB8311945D0/en
Application filed by Individual filed Critical Individual
Priority to GB08410984A priority patent/GB2139930B/en
Publication of GB8410984D0 publication Critical patent/GB8410984D0/en
Publication of GB2139930A publication Critical patent/GB2139930A/en
Application granted granted Critical
Publication of GB2139930B publication Critical patent/GB2139930B/en
Priority to US07/086,206 priority patent/US4742648A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB08410984A 1974-09-24 1984-04-30 Drill sharpening tool Expired GB2139930B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7529299A FR2285959A1 (en) 1974-09-24 1975-09-24 DRILL GRINDING DEVICE
GB08410984A GB2139930B (en) 1974-09-24 1984-04-30 Drill sharpening tool
US07/086,206 US4742648A (en) 1983-04-30 1987-08-17 Drill sharpening tool

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19742445453 DE2445453C2 (en) 1974-09-24 1974-09-24 Drill grinding device
GB838311945A GB8311945D0 (en) 1983-04-30 1983-04-30 Drill sharpening tool
GB838322232A GB8322232D0 (en) 1983-04-30 1983-08-18 Drill sharpening tool
GB08410984A GB2139930B (en) 1974-09-24 1984-04-30 Drill sharpening tool

Publications (3)

Publication Number Publication Date
GB8410984D0 GB8410984D0 (en) 1984-06-06
GB2139930A GB2139930A (en) 1984-11-21
GB2139930B true GB2139930B (en) 1987-01-28

Family

ID=27431894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08410984A Expired GB2139930B (en) 1974-09-24 1984-04-30 Drill sharpening tool

Country Status (2)

Country Link
FR (1) FR2285959A1 (en)
GB (1) GB2139930B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE57981B1 (en) * 1984-04-26 1993-06-02 Inst For Ind Res & Standards A grinding device
JPS6393552A (en) * 1986-10-08 1988-04-23 Toyo Mach Kk Drill grinding machine
GB9022606D0 (en) * 1990-10-17 1990-11-28 Seear David Grinding of twist drills
GB2283929B (en) * 1992-01-24 1995-08-16 Turner Intellect Property Ltd Power tool adapter
ITMO20100043A1 (en) * 2010-02-25 2011-08-26 Arti Tec Di Cavallini M E C S N C MULTIFUNCTIONAL SHARPENING GROUP

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2445453C2 (en) * 1974-09-24 1985-06-13 Robert Bosch Gmbh, 7000 Stuttgart Drill grinding device
DE2632034C2 (en) * 1976-07-16 1986-07-31 Robert 5446 Engeln Wolff Auxiliary device to facilitate regrinding of twist drills

Also Published As

Publication number Publication date
FR2285959A1 (en) 1976-04-23
GB8410984D0 (en) 1984-06-06
GB2139930A (en) 1984-11-21
FR2285959B3 (en) 1978-05-05

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20040429