EP0234396A3 - Dispositif d'affûtage des forets - Google Patents

Dispositif d'affûtage des forets

Info

Publication number: EP0234396A3
Authority: EP; European Patent Office
Prior art keywords: drill; grinding; axis; sharpening device; plane
Prior art date: 1986-02-13
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP87101801A

Other languages

German (de)

English (en)

Other versions

EP0234396A2 (fr

Inventor

Albert Hammedinger

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.)

1986-02-13

Filing date

1987-02-10

Publication date

1988-11-23

1987-02-10 Application filed by Individual filed Critical Individual

1987-09-02 Publication of EP0234396A2 publication Critical patent/EP0234396A2/fr

1988-11-23 Publication of EP0234396A3 publication Critical patent/EP0234396A3/fr

Status Withdrawn legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 abstract 1

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
- B24B3/28—Sharpening 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)

EP87101801A 1986-02-13 1987-02-10 Dispositif d'affûtage des forets Withdrawn EP0234396A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19863604536 DE3604536C1 (de)	1986-02-13	1986-02-13	Bohrerschaerfvorrichtung
DE3604536		1986-02-13

Publications (2)

Publication Number	Publication Date
EP0234396A2 EP0234396A2 (fr)	1987-09-02
EP0234396A3 true EP0234396A3 (fr)	1988-11-23

Family

ID=6294026

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP87101801A Withdrawn EP0234396A3 (fr)	1986-02-13	1987-02-10	Dispositif d'affûtage des forets

Country Status (2)

Country	Link
EP (1)	EP0234396A3 (fr)
DE (1)	DE3604536C1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1695793A1 (fr) *	2005-02-25	2006-08-30	Rollomatic S.A.	Machine transfert pour la production de mèches ou forets

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1138018A (fr) *	1955-12-06	1957-06-06		Procédé et appareil d'affûtage des forets
US2829473A (en) *	1957-05-24	1958-04-08	Maurice J Pruner	Drill bit grinder
DE3307935A1 (de) *	1982-03-09	1983-10-06	Gottstein Fritz	Einspannkopf fuer eine bohrer-schleifmaschine

1986
- 1986-02-13 DE DE19863604536 patent/DE3604536C1/de not_active Expired
1987
- 1987-02-10 EP EP87101801A patent/EP0234396A3/fr not_active Withdrawn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1138018A (fr) *	1955-12-06	1957-06-06		Procédé et appareil d'affûtage des forets
US2829473A (en) *	1957-05-24	1958-04-08	Maurice J Pruner	Drill bit grinder
DE3307935A1 (de) *	1982-03-09	1983-10-06	Gottstein Fritz	Einspannkopf fuer eine bohrer-schleifmaschine

Also Published As

Publication number	Publication date
DE3604536C1 (de)	1987-08-20
EP0234396A2 (fr)	1987-09-02

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Legal Events

Date	Code	Title	Description
1987-07-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1987-09-02	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE
1988-10-04	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1988-11-23	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE
1989-11-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1990-01-03	18D	Application deemed to be withdrawn	Effective date: 19890524