EP0452541A3 - Method of manufacturing hollow objects from tantalum - Google Patents

Method of manufacturing hollow objects from tantalum Download PDF

Info

Publication number: EP0452541A3
Authority: EP; European Patent Office
Prior art keywords: tantalum; manufacturing hollow; hollow objects; objects; manufacturing
Prior art date: 1990-04-14
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.): Ceased

Application number

EP19900120379

Other languages

German (de)

English (en)

Other versions

EP0452541A2 (fr

Inventor

Michael Dr. Hoermann

David Francis Dr. Lupton

Otto Bach

Andreas Graeber

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.)

WC Heraus GmbH and Co KG

Original Assignee

WC Heraus GmbH and Co KG

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.)

1990-04-14

Filing date

1990-10-24

Publication date

1992-01-02

1990-10-24 Application filed by WC Heraus GmbH and Co KG filed Critical WC Heraus GmbH and Co KG

1991-10-23 Publication of EP0452541A2 publication Critical patent/EP0452541A2/fr

1992-01-02 Publication of EP0452541A3 publication Critical patent/EP0452541A3/de

Status Ceased legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title 1
229910052715 tantalum Inorganic materials 0.000 title 1
GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/205—Hydro-mechanical deep-drawing

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Shaping Metal By Deep-Drawing, Or The Like (AREA)

EP19900120379 1990-04-14 1990-10-24 Method of manufacturing hollow objects from tantalum Ceased EP0452541A3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4012163		1990-04-14
DE19904012163 DE4012163A1 (de)	1990-04-14	1990-04-14	Verfahren zur herstellung von hohlkoerpern aus tantal

Publications (2)

Publication Number	Publication Date
EP0452541A2 EP0452541A2 (fr)	1991-10-23
EP0452541A3 true EP0452541A3 (en)	1992-01-02

Family

ID=6404474

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19900120379 Ceased EP0452541A3 (en)	1990-04-14	1990-10-24	Method of manufacturing hollow objects from tantalum

Country Status (2)

Country	Link
EP (1)	EP0452541A3 (fr)
DE (1)	DE4012163A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5606888A (en) *	1995-07-14	1997-03-04	The Whitaker Corp.	Method of forming relatively hard materials
DE10305654B3 (de) *	2003-02-12	2004-02-26	Thyssenkrupp Stahl Ag	Werkzeugmaschine für das Außenhochdruckumformen von Platinen
CN102125952B (zh) *	2011-01-22	2013-06-26	安徽工业大学	锥壁斜凸缘类薄壁钣金件充液拉深成形方法
CN103551443B (zh) *	2013-10-30	2016-02-03	上海理工大学	充液拉深模具及其充液拉深方法
CN111408659B (zh) *	2020-04-01	2021-07-06	大连理工大学	中部不连续薄壁金属构件的叠层板成形方法
CN114273497B (zh) *	2022-01-28	2023-07-25	宁波江丰热等静压技术有限公司	一种钽包套的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3208255A (en) *	1961-07-07	1965-09-28	Siemens Elektrogeraete Gmbh	Method and apparatus for hydraulic deep-drawing of sheet material
BE676622A (fr) *	1965-02-17	1966-07-18
DE2913103A1 (de) *	1978-06-27	1980-01-10	Deutsch Franz Forsch Inst	Flachkegelladung
EP0012905A1 (fr) *	1978-12-20	1980-07-09	Schmalbach-Lubeca AG	Procédé pour la production d'objets métalliques par formage
EP0249678A2 (fr) *	1986-06-18	1987-12-23	Rheinmetall GmbH	Munition pour combattre des cibles à blindage actif
EP0298876A1 (fr) *	1987-06-24	1989-01-11	Pechiney Rhenalu	Tôles en alliage d'aluminium contenant du magnésium aptes à la fabrication par emboutissage-étirage de corps de boîtes et procédé d'obtention desdites tôles

1990
- 1990-04-14 DE DE19904012163 patent/DE4012163A1/de not_active Withdrawn
- 1990-10-24 EP EP19900120379 patent/EP0452541A3/de not_active Ceased

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3208255A (en) *	1961-07-07	1965-09-28	Siemens Elektrogeraete Gmbh	Method and apparatus for hydraulic deep-drawing of sheet material
BE676622A (fr) *	1965-02-17	1966-07-18
DE2913103A1 (de) *	1978-06-27	1980-01-10	Deutsch Franz Forsch Inst	Flachkegelladung
EP0012905A1 (fr) *	1978-12-20	1980-07-09	Schmalbach-Lubeca AG	Procédé pour la production d'objets métalliques par formage
EP0249678A2 (fr) *	1986-06-18	1987-12-23	Rheinmetall GmbH	Munition pour combattre des cibles à blindage actif
EP0298876A1 (fr) *	1987-06-24	1989-01-11	Pechiney Rhenalu	Tôles en alliage d'aluminium contenant du magnésium aptes à la fabrication par emboutissage-étirage de corps de boîtes et procédé d'obtention desdites tôles

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
MITTEILUNGEN DER FORSCHUNGSGESELLSCHAFT BLECHVERARBEITUNG e.V., Nr. 15, 1. August 1963, Seiten 217-224, Düsseldorf, DE; E. BÜRK: "Das hydromechanische Ziehverfahren" *
UMFORMTECHNIK, Band 15, Nr. 3, 1981, Seiten 31-35; J. QUAAS et al.: "Kaltfliesspressen von Gehäusen aus Tantal für Temperaturfühler" *
WERKSTATT UND BETRIEB, Band 120, Nr. 5, Mai 1987, Seiten 359-363, München, DE; R. ROLLA: "Hydromechanisches Tiefziehen-wirtschaftlich auch bei schwierigen Werkstückformen" *
WORLD PATENTS INDEX LATEST, Section EI, Woche 8545, Klass T, AN=85-280185 [45], Derwent Publications Ltd, London, GB; & JP-A-60 190 366 (OKI ELECTRIC IND. K.K.) 27-09-1985 *
WORLD PATENTS INDEX LATEST, Sektion Ch, Woche 8410, Klass A, AN=84-058688 [10], Derwent Publications Ltd, London, GB; & JP-A-59 015 508 (TANAKA KIKINZOKU KOGYO K.K.) 26-01-1984 *

Also Published As

Publication number	Publication date
DE4012163A1 (de)	1991-10-17
EP0452541A2 (fr)	1991-10-23

Legal Events

Date	Code	Title	Description
1991-09-07	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
1991-10-23	17P	Request for examination filed	Effective date: 19901106
1991-10-23	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE CH DE FR GB LI LU NL SE
1991-11-13	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1992-01-02	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE CH DE FR GB LI LU NL SE
1992-09-02	17Q	First examination report despatched	Effective date: 19920717
1993-05-28	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED
1993-07-21	18R	Application refused	Effective date: 19930226

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