IT1230940B - Macchina affilatrice per punte elicoidali, in particolare da trapano - Google Patents

Macchina affilatrice per punte elicoidali, in particolare da trapano

Info

Publication number
IT1230940B
IT1230940B IT8921012A IT2101289A IT1230940B IT 1230940 B IT1230940 B IT 1230940B IT 8921012 A IT8921012 A IT 8921012A IT 2101289 A IT2101289 A IT 2101289A IT 1230940 B IT1230940 B IT 1230940B
Authority
IT
Italy
Prior art keywords
drill
sharpening machine
helical
points
helical points
Prior art date
Application number
IT8921012A
Other languages
English (en)
Other versions
IT8921012A0 (it
Inventor
Pietro Carrera
Clementina Rui
Original Assignee
Carrera Pietro Rui Clementina
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 Carrera Pietro Rui Clementina filed Critical Carrera Pietro Rui Clementina
Priority to IT8921012A priority Critical patent/IT1230940B/it
Publication of IT8921012A0 publication Critical patent/IT8921012A0/it
Priority to EP19900111799 priority patent/EP0405338A3/en
Application granted granted Critical
Publication of IT1230940B publication Critical patent/IT1230940B/it

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/26Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills
    • B24B3/28Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills by swivelling the drill around an axis angularly to the drill axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
IT8921012A 1989-06-28 1989-06-28 Macchina affilatrice per punte elicoidali, in particolare da trapano IT1230940B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT8921012A IT1230940B (it) 1989-06-28 1989-06-28 Macchina affilatrice per punte elicoidali, in particolare da trapano
EP19900111799 EP0405338A3 (en) 1989-06-28 1990-06-21 Sharpening machine for twist drills, in particular for drilling machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921012A IT1230940B (it) 1989-06-28 1989-06-28 Macchina affilatrice per punte elicoidali, in particolare da trapano

Publications (2)

Publication Number Publication Date
IT8921012A0 IT8921012A0 (it) 1989-06-28
IT1230940B true IT1230940B (it) 1991-11-08

Family

ID=11175391

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8921012A IT1230940B (it) 1989-06-28 1989-06-28 Macchina affilatrice per punte elicoidali, in particolare da trapano

Country Status (2)

Country Link
EP (1) EP0405338A3 (it)
IT (1) IT1230940B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5735732A (en) 1996-07-05 1998-04-07 Bernard; David A. Precision drill sharpener and grinding wheel assembly therefor
US6450864B1 (en) 2000-10-13 2002-09-17 Raphael W. Smith End mill grinder with two independently adjustable grinding wheels
CN107322378A (zh) * 2017-09-01 2017-11-07 贵州迈锐钻探设备制造有限公司 一种钻头修磨机

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE189609C (it) *
FR812340A (fr) * 1936-01-15 1937-05-07 Machine à affûter les mèches de forets
US2142923A (en) * 1936-08-05 1939-01-03 Sellers William & Co Inc Drill grinding machine
FR1114627A (fr) * 1954-11-19 1956-04-16 Realisations Et Etudes Mecaniq Appareil à affûter les forets
FR1495629A (fr) * 1966-08-16 1967-09-22 Sheffield Twist Drill & Steel Machine pour affûter les forets hélicoïdaux
US3813822A (en) * 1972-05-08 1974-06-04 T Grob Web thinning machine
GB8715078D0 (en) * 1987-06-23 1987-08-05 Brierley Ltd Z Drill grinding machines

Also Published As

Publication number Publication date
EP0405338A2 (en) 1991-01-02
EP0405338A3 (en) 1991-07-24
IT8921012A0 (it) 1989-06-28

Similar Documents

Publication Publication Date Title
DE69015521D1 (de) Frankiermaschine.
DE58905586D1 (de) Verpackungsmaschine, insbesondere für Zigaretten.
DE59001243D1 (de) Werkzeugmaschine.
DE69016247D1 (de) Frankiermaschine.
EP0389644A4 (en) Variable capacitance, oblique spindle type hydraulique machine
IT9048206A0 (it) Macchina tappatrice di recipienti
DE3481765D1 (de) Vorrichtung zum verpacken von gegenstaenden, insbesondere zigaretten.
DE58902199D1 (de) Werkzeugmaschine.
DE58903598D1 (de) Werkzeugmaschine.
DE58905295D1 (de) Handbandschleifmaschine.
DE59003258D1 (de) Exzenterschleifmaschine.
DE58903594D1 (de) Werkzeugmaschine.
DE69411063D1 (de) Verpackungsmaschine, insbesondere Maschine zum Verpacken von Zigaretten oder dergleichen
IT1230940B (it) Macchina affilatrice per punte elicoidali, in particolare da trapano
IT206988Z2 (it) Pinza di arresto dello stoppino, in particolare per macchine difilatura.
IT1207569B (it) Macchina per fare la catenella, in particolare macchina per gallonare all'uncinetto.
DE69004669D1 (de) Verpackungsmaschine.
DE58901254D1 (de) Werkzeugmaschine.
DE59009621D1 (de) Schärfmaschine.
ITGE930044A1 (it) Macchina utensile, in particolare tornio.
DE69004126D1 (de) Sägemaschine.
IT1243534B (it) Macchina per avvolgere.
IT1216482B (it) Macchina per pilatura e brillatura, in particolare per riso.
DE69015592D1 (de) Frankiermaschine.
ATE100040T1 (de) Verpackungsmaschine.

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970625