ES8602467A1 - Perfeccionamientos en un dispositivo para afilar brocas es- pirales - Google Patents

Perfeccionamientos en un dispositivo para afilar brocas es- pirales

Info

Publication number
ES8602467A1
ES8602467A1 ES540322A ES540322A ES8602467A1 ES 8602467 A1 ES8602467 A1 ES 8602467A1 ES 540322 A ES540322 A ES 540322A ES 540322 A ES540322 A ES 540322A ES 8602467 A1 ES8602467 A1 ES 8602467A1
Authority
ES
Spain
Prior art keywords
grinding wheel
plate
drill
rim
lugs
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
ES540322A
Other languages
English (en)
Spanish (es)
Other versions
ES540322A0 (es
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.)
INTERMEDIUM AG
Original Assignee
INTERMEDIUM 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 INTERMEDIUM AG filed Critical INTERMEDIUM AG
Publication of ES540322A0 publication Critical patent/ES540322A0/es
Publication of ES8602467A1 publication Critical patent/ES8602467A1/es
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)
  • Polishing Bodies And Polishing Tools (AREA)
  • Earth Drilling (AREA)
ES540322A 1984-02-14 1985-02-12 Perfeccionamientos en un dispositivo para afilar brocas es- pirales Expired ES8602467A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0046384A AT380418B (de) 1984-02-14 1984-02-14 Einrichtung zum schleifen von spiralbohrern

Publications (2)

Publication Number Publication Date
ES540322A0 ES540322A0 (es) 1985-12-01
ES8602467A1 true ES8602467A1 (es) 1985-12-01

Family

ID=3491289

Family Applications (1)

Application Number Title Priority Date Filing Date
ES540322A Expired ES8602467A1 (es) 1984-02-14 1985-02-12 Perfeccionamientos en un dispositivo para afilar brocas es- pirales

Country Status (7)

Country Link
US (1) US4574528A (enExample)
EP (1) EP0153300B1 (enExample)
JP (1) JPS60180756A (enExample)
AT (2) AT380418B (enExample)
CA (1) CA1236697A (enExample)
DE (1) DE3566510D1 (enExample)
ES (1) ES8602467A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT385703B (de) * 1986-07-07 1988-05-10 Wurscher Raimund Einrichtung zum schleifen von spiralbohrern
DE4038524A1 (de) * 1990-12-03 1992-06-04 Folke Werner Bohrerschleifeinrichtung
US9199315B2 (en) 2000-06-02 2015-12-01 Kennametal Inc. Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill
CN114633155A (zh) * 2022-02-23 2022-06-17 河南中烟工业有限责任公司 一种麻花钻头的磨削靠模及磨削装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2800755A (en) * 1955-03-14 1957-07-30 Joseph D Perra Drill sharpener
SE325210B (enExample) * 1967-05-03 1970-06-22 R Wurscher
DE2042014A1 (de) * 1969-10-07 1971-04-22 Wurscher Raimund Dr Phil Einrichtung zum Schleifen von Bohrern
DE1959470A1 (de) * 1969-11-27 1971-07-22 Wurscher Raimund August Einrichtung zum Schleifen von Bohrern
US3742652A (en) * 1970-03-06 1973-07-03 Black & Decker Mfg Co Drill sharpener
DE2343228A1 (de) * 1973-08-28 1975-03-20 Bosch Gmbh Robert Bohrerschleifeinrichtung
US4016680A (en) * 1974-04-01 1977-04-12 The Black And Decker Manufacturing Company Sharpener for twist drills including grinding wheel dressing means

Also Published As

Publication number Publication date
EP0153300A2 (de) 1985-08-28
EP0153300A3 (en) 1986-12-30
AT380418B (de) 1986-05-26
JPS6339377B2 (enExample) 1988-08-04
ATE38952T1 (de) 1988-12-15
EP0153300B1 (de) 1988-11-30
DE3566510D1 (en) 1989-01-05
ES540322A0 (es) 1985-12-01
US4574528A (en) 1986-03-11
JPS60180756A (ja) 1985-09-14
ATA46384A (de) 1985-10-15
CA1236697A (en) 1988-05-17

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001102