EP1008400A3 - Procédé pour réduire des évasements en forme de trompette à l'extrémité avant d'un tube - Google Patents

Procédé pour réduire des évasements en forme de trompette à l'extrémité avant d'un tube Download PDF

Info

Publication number: EP1008400A3
Authority: EP; European Patent Office
Prior art keywords: leading end; pipe; trumpet; shaped widenings; reducing
Prior art date: 1998-12-10
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.): Granted

Application number

EP99250417A

Other languages

German (de)

English (en)

Other versions

EP1008400B1 (fr

EP1008400A2 (fr

Inventor

Torsten Frank

Frank Salomon

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.)

SMS Siemag AG

Original Assignee

SMS Demag 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.)

1998-12-10

Filing date

1999-11-29

Publication date

2003-08-20

1999-11-29 Application filed by SMS Demag AG filed Critical SMS Demag AG

2000-06-14 Publication of EP1008400A2 publication Critical patent/EP1008400A2/fr

2003-08-20 Publication of EP1008400A3 publication Critical patent/EP1008400A3/fr

2005-01-05 Application granted granted Critical

2005-01-05 Publication of EP1008400B1 publication Critical patent/EP1008400B1/fr

2019-11-29 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000015572 biosynthetic process Effects 0.000 abstract 1
230000002265 prevention Effects 0.000 abstract 1
238000005096 rolling process Methods 0.000 abstract 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Control Of Metal Rolling (AREA)
Electric Cable Installation (AREA)
Ultra Sonic Daignosis Equipment (AREA)
Metal Rolling (AREA)
Debarking, Splitting, And Disintegration Of Timber (AREA)
Shaping Of Tube Ends By Bending Or Straightening (AREA)

EP99250417A 1998-12-10 1999-11-29 Procédé pour réduire des évasements en forme de trompette à l'extrémité avant d'un tube Expired - Lifetime EP1008400B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19858955A DE19858955C2 (de)	1998-12-10	1998-12-10	Verfahren zur Verminderung trompetenförmiger Aufweitungen am vorderen Rohrende
DE19858955		1998-12-10

Publications (3)

Publication Number	Publication Date
EP1008400A2 EP1008400A2 (fr)	2000-06-14
EP1008400A3 true EP1008400A3 (fr)	2003-08-20
EP1008400B1 EP1008400B1 (fr)	2005-01-05

Family

ID=7891905

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP99250417A Expired - Lifetime EP1008400B1 (fr)	1998-12-10	1999-11-29	Procédé pour réduire des évasements en forme de trompette à l'extrémité avant d'un tube

Country Status (3)

Country	Link
EP (1)	EP1008400B1 (fr)
AT (1)	ATE286437T1 (fr)
DE (2)	DE19858955C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102019123836A1 (de)	2019-09-05	2021-03-11	Sms Group Gmbh	Schrägwalzaggregat sowie Verfahren zum Anstellen des Walzkalibers eines Schrägwalzaggregats
DE102024002391A1 (de) *	2024-07-23	2026-01-29	Zhozef Rotenberg	Verfahren zum Strecken von mittel- und dünnwandigen Luppen in einem Mehrwalzen-Schrägwalzwerk unter dem Einfluss einer inneren axialen Zugkraft

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3020927A1 (de) *	1980-06-03	1981-12-10	Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover	Schraegwalzwerk zum reduzieren des durchmessers von rohren
DE3622678A1 (de) *	1985-07-12	1987-01-15	Kocks Technik	Verfahren und vorrichtung zum querwalzen nahtloser rohrluppen
DE4428530A1 (de) *	1994-08-12	1996-02-22	Kocks Technik	Verfahren und Walzgerüst zum Schrägwalzen von Rohren
EP0882526A2 (fr) *	1997-06-03	1998-12-09	MANNESMANN Aktiengesellschaft	Procédé et dispositif pour éviter ou réduire des évasements en forme de trompette à l'extrémité d'un tube lors du laminage oblique de tubes à parois minces

1998
- 1998-12-10 DE DE19858955A patent/DE19858955C2/de not_active Expired - Fee Related
1999
- 1999-11-29 AT AT99250417T patent/ATE286437T1/de not_active IP Right Cessation
- 1999-11-29 DE DE59911403T patent/DE59911403D1/de not_active Expired - Lifetime
- 1999-11-29 EP EP99250417A patent/EP1008400B1/fr not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3020927A1 (de) *	1980-06-03	1981-12-10	Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover	Schraegwalzwerk zum reduzieren des durchmessers von rohren
DE3622678A1 (de) *	1985-07-12	1987-01-15	Kocks Technik	Verfahren und vorrichtung zum querwalzen nahtloser rohrluppen
DE4428530A1 (de) *	1994-08-12	1996-02-22	Kocks Technik	Verfahren und Walzgerüst zum Schrägwalzen von Rohren
EP0882526A2 (fr) *	1997-06-03	1998-12-09	MANNESMANN Aktiengesellschaft	Procédé et dispositif pour éviter ou réduire des évasements en forme de trompette à l'extrémité d'un tube lors du laminage oblique de tubes à parois minces
DE19724233A1 (de) *	1997-06-03	1998-12-10	Mannesmann Ag	Verfahren und Vorrichtung zur Vermeidung oder Verminderung trompetenförmiger Aufweitungen am Rohrende beim Schrägwalzen von dünnwandigen Rohren

Also Published As

Publication number	Publication date
EP1008400B1 (fr)	2005-01-05
DE19858955A1 (de)	2000-06-21
DE19858955C2 (de)	2000-09-28
ATE286437T1 (de)	2005-01-15
EP1008400A2 (fr)	2000-06-14
DE59911403D1 (de)	2005-02-10

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2003-07-04	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
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