GB2057931B - Drill grinding machine - Google Patents

Drill grinding machine

Info

Publication number
GB2057931B
GB2057931B GB8025890A GB8025890A GB2057931B GB 2057931 B GB2057931 B GB 2057931B GB 8025890 A GB8025890 A GB 8025890A GB 8025890 A GB8025890 A GB 8025890A GB 2057931 B GB2057931 B GB 2057931B
Authority
GB
United Kingdom
Prior art keywords
grinding machine
drill grinding
drill
machine
grinding
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
GB8025890A
Other versions
GB2057931A (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.)
MEGOMAT AG
Original Assignee
MEGOMAT AG
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 MEGOMAT AG filed Critical MEGOMAT AG
Publication of GB2057931A publication Critical patent/GB2057931A/en
Application granted granted Critical
Publication of GB2057931B publication Critical patent/GB2057931B/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)
GB8025890A 1979-09-06 1980-08-08 Drill grinding machine Expired GB2057931B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH803579A CH640165A5 (en) 1979-09-06 1979-09-06 DRILL GRINDING MACHINE.

Publications (2)

Publication Number Publication Date
GB2057931A GB2057931A (en) 1981-04-08
GB2057931B true GB2057931B (en) 1982-11-17

Family

ID=4334139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8025890A Expired GB2057931B (en) 1979-09-06 1980-08-08 Drill grinding machine

Country Status (4)

Country Link
JP (1) JPS5645355A (en)
CH (1) CH640165A5 (en)
DE (1) DE3028960C2 (en)
GB (1) GB2057931B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH655889A5 (en) * 1982-03-09 1986-05-30 Gottstein Fritz DRILL GRINDING MACHINE.
JPH0790451B2 (en) * 1987-07-20 1995-10-04 英次郎 木曽 Drill polishing machine
JPH01109061A (en) * 1987-10-21 1989-04-26 Takeshi Kondo Drill polishing device
DE9000623U1 (en) * 1989-01-20 1990-08-23 Combrowski, Zbigniew Device for machining workpieces, especially tools

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE404843C (en) * 1922-08-19 1924-10-23 Edd Charles Oliver Machine for grinding the outer cutting surface of the Z-shaped cutting edge of twist drills
CH250713A (en) * 1945-11-16 1947-09-15 Zenith Montres Method of sharpening twist drills.
DE839908C (en) * 1950-03-30 1952-05-26 Alfred Ganahl Drill grinder
FR1493661A (en) * 1966-07-19 1967-09-01 Renault Method of sharpening twist drills and machine for its implementation

Also Published As

Publication number Publication date
CH640165A5 (en) 1983-12-30
JPS6354511B2 (en) 1988-10-28
JPS5645355A (en) 1981-04-25
DE3028960C2 (en) 1983-04-28
GB2057931A (en) 1981-04-08
DE3028960A1 (en) 1981-03-12

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee