DE59200537D1 - Verfahren zum Längswalzen nahtloser Rohre. - Google Patents

Verfahren zum Längswalzen nahtloser Rohre.

Info

Publication number
DE59200537D1
DE59200537D1 DE59200537T DE59200537T DE59200537D1 DE 59200537 D1 DE59200537 D1 DE 59200537D1 DE 59200537 T DE59200537 T DE 59200537T DE 59200537 T DE59200537 T DE 59200537T DE 59200537 D1 DE59200537 D1 DE 59200537D1
Authority
DE
Germany
Prior art keywords
roll
wall thickness
pipe
pass
rolling
Prior art date
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.)
Expired - Fee Related
Application number
DE59200537T
Other languages
English (en)
Inventor
Johann Heinrich Rohde
Burkhart Schifferings
Rolf Kuemmerling
Jochen Vochsen
Karl Heinz Haeusler
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.)
Vodafone GmbH
Original Assignee
Mannesmann 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.)
Filing date
Publication date
Application filed by Mannesmann AG filed Critical Mannesmann AG
Application granted granted Critical
Publication of DE59200537D1 publication Critical patent/DE59200537D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Metal Extraction Processes (AREA)
  • Heat Treatment Of Steel (AREA)
DE59200537T 1991-11-15 1992-11-10 Verfahren zum Längswalzen nahtloser Rohre. Expired - Fee Related DE59200537D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4138178A DE4138178A1 (de) 1991-11-15 1991-11-15 Verfahren zum laengswalzen nahtloser rohre

Publications (1)

Publication Number Publication Date
DE59200537D1 true DE59200537D1 (de) 1994-10-27

Family

ID=6445205

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4138178A Granted DE4138178A1 (de) 1991-11-15 1991-11-15 Verfahren zum laengswalzen nahtloser rohre
DE59200537T Expired - Fee Related DE59200537D1 (de) 1991-11-15 1992-11-10 Verfahren zum Längswalzen nahtloser Rohre.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4138178A Granted DE4138178A1 (de) 1991-11-15 1991-11-15 Verfahren zum laengswalzen nahtloser rohre

Country Status (7)

Country Link
US (1) US5357773A (de)
EP (1) EP0542387B1 (de)
JP (1) JPH08243B2 (de)
AT (1) ATE111788T1 (de)
CZ (1) CZ283112B6 (de)
DE (2) DE4138178A1 (de)
RU (1) RU2097155C1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213276C2 (de) * 1992-04-16 1996-05-23 Mannesmann Ag Verfahren zum Herstellen nahtloser Rohre nach dem Stopfenwalzverfahren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1858990A (en) * 1928-04-16 1932-05-17 Globe Steel Tubes Co Method of and means for rolling seamless tubing
US3392565A (en) * 1965-02-15 1968-07-16 Blaw Knox Co Manufacture of seamless tubing
US4002048A (en) * 1975-12-19 1977-01-11 Aetna-Standard Engineering Company Method of stretch reducing of tubular stock
GB1557872A (en) * 1976-09-15 1979-12-12 Shevchenko A A Others method of continuous tube rolling and rolling mill therefor
JPS5747517A (en) * 1980-09-04 1982-03-18 Ishikawajima Harima Heavy Ind Co Ltd Method and apparatus for controlling rolling speed of mandrel mill
IT1168096B (it) * 1981-06-11 1987-05-20 Innocenti Santeustacchio Spa Laminatoio continuo a gabbie incrociate per la produzione di tubi senza saldatura
JPS59104207A (ja) * 1982-12-08 1984-06-16 Kawasaki Steel Corp マンドレルミルにおける鋼管の伸ばし長さ制御方法
JPS6099423A (ja) * 1983-11-02 1985-06-03 Kawasaki Steel Corp 管の連続延伸圧延方法
JPH0714524B2 (ja) * 1987-06-26 1995-02-22 川崎製鉄株式会社 管の連続延伸圧延方法およびその圧延機

Also Published As

Publication number Publication date
DE4138178A1 (de) 1993-05-27
CZ331992A3 (en) 1993-06-16
EP0542387A1 (de) 1993-05-19
CZ283112B6 (cs) 1998-01-14
US5357773A (en) 1994-10-25
JPH05237515A (ja) 1993-09-17
ATE111788T1 (de) 1994-10-15
DE4138178C2 (de) 1993-08-26
EP0542387B1 (de) 1994-09-21
RU2097155C1 (ru) 1997-11-27
JPH08243B2 (ja) 1996-01-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee