EP0354682A3 - Kaltfliessverfahren für Innenverzahnung - Google Patents

Kaltfliessverfahren für Innenverzahnung Download PDF

Info

Publication number: EP0354682A3
Authority: EP; European Patent Office
Prior art keywords: workpiece; mandrel; internal; teeth; support ring
Prior art date: 1988-08-08
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP19890307588

Other languages

English (en)

French (fr)

Other versions

EP0354682A2 (de

Inventor

William James Fuhrman

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.)

Ford Werke GmbH

Ford France SA

Ford Motor Co Ltd

Original Assignee

Ford Werke GmbH

Ford France SA

Ford Motor Co Ltd

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.)

1988-08-08

Filing date

1989-07-26

Publication date

1990-11-14

1989-07-26 Application filed by Ford Werke GmbH, Ford France SA, Ford Motor Co Ltd filed Critical Ford Werke GmbH

1990-02-14 Publication of EP0354682A2 publication Critical patent/EP0354682A2/de

1990-11-14 Publication of EP0354682A3 publication Critical patent/EP0354682A3/de

Status Withdrawn legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/10—Making finned tubes
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Forging (AREA)

EP19890307588 1988-08-08 1989-07-26 Kaltfliessverfahren für Innenverzahnung Withdrawn EP0354682A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US22940588A	1988-08-08	1988-08-08
US229405		1988-08-08

Publications (2)

Publication Number	Publication Date
EP0354682A2 EP0354682A2 (de)	1990-02-14
EP0354682A3 true EP0354682A3 (de)	1990-11-14

Family

ID=22861105

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19890307588 Withdrawn EP0354682A3 (de)	1988-08-08	1989-07-26	Kaltfliessverfahren für Innenverzahnung

Country Status (2)

Country	Link
EP (1)	EP0354682A3 (de)
JP (1)	JPH0246944A (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2325837B2 (de) *	1972-05-23	1975-09-04	Automobiles Peugeot, Paris	Vorrichtung zum Herstellen von Innenverzahnungen durch Kaltpressen
US3910091A (en) *	1974-04-30	1975-10-07	Ford Motor Co	Apparatus and method for cold extrusion of gears
EP0088867A1 (de) *	1982-03-16	1983-09-21	Nissan Motor Co., Ltd.	Verfahren und Vorrichtung zur Formung von Zahnrädern
US4622842A (en) *	1984-12-13	1986-11-18	Ford Motor Company	Die for extruding toothed helical members
DE3639739A1 (de) *	1986-11-21	1988-06-01	Honda Motor Co Ltd	Verfahren und vorrichtung zur herstellung eines eine innenzahnung aufweisenden topffoermigen erzeugnisses

1989
- 1989-07-12 JP JP18014989A patent/JPH0246944A/ja active Pending
- 1989-07-26 EP EP19890307588 patent/EP0354682A3/de not_active Withdrawn

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2325837B2 (de) *	1972-05-23	1975-09-04	Automobiles Peugeot, Paris	Vorrichtung zum Herstellen von Innenverzahnungen durch Kaltpressen
US3910091A (en) *	1974-04-30	1975-10-07	Ford Motor Co	Apparatus and method for cold extrusion of gears
EP0088867A1 (de) *	1982-03-16	1983-09-21	Nissan Motor Co., Ltd.	Verfahren und Vorrichtung zur Formung von Zahnrädern
US4622842A (en) *	1984-12-13	1986-11-18	Ford Motor Company	Die for extruding toothed helical members
DE3639739A1 (de) *	1986-11-21	1988-06-01	Honda Motor Co Ltd	Verfahren und vorrichtung zur herstellung eines eine innenzahnung aufweisenden topffoermigen erzeugnisses

Also Published As

Publication number	Publication date
EP0354682A2 (de)	1990-02-14
JPH0246944A (ja)	1990-02-16

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Legal Events

Date	Code	Title	Description
1989-12-30	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
1990-02-14	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1990-09-28	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-11-14	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1991-03-13	17P	Request for examination filed	Effective date: 19901221
1991-04-24	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
1991-06-05	18W	Application withdrawn	Withdrawal date: 19910311
1991-06-12	R18W	Application withdrawn (corrected)	Effective date: 19910311