GB2239414B - Pipe rolling process on a plug mill train - Google Patents

Pipe rolling process on a plug mill train

Info

Publication number
GB2239414B
GB2239414B GB9023247A GB9023247A GB2239414B GB 2239414 B GB2239414 B GB 2239414B GB 9023247 A GB9023247 A GB 9023247A GB 9023247 A GB9023247 A GB 9023247A GB 2239414 B GB2239414 B GB 2239414B
Authority
GB
United Kingdom
Prior art keywords
rolling process
mill train
pipe rolling
plug mill
plug
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
GB9023247A
Other versions
GB2239414A (en
GB9023247D0 (en
Inventor
Karl Heinz Hausler
Hermann Josef Frentzen
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
Publication of GB9023247D0 publication Critical patent/GB9023247D0/en
Publication of GB2239414A publication Critical patent/GB2239414A/en
Application granted granted Critical
Publication of GB2239414B publication Critical patent/GB2239414B/en
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
    • B21B17/08—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 having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills
    • B21B17/12—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 having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills in a discontinuous process, e.g. plug-rolling mills
GB9023247A 1989-10-27 1990-10-25 Pipe rolling process on a plug mill train Expired - Fee Related GB2239414B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3936326A DE3936326A1 (en) 1989-10-27 1989-10-27 PIPE ROLLING METHOD ON A PLUG ROAD

Publications (3)

Publication Number Publication Date
GB9023247D0 GB9023247D0 (en) 1990-12-05
GB2239414A GB2239414A (en) 1991-07-03
GB2239414B true GB2239414B (en) 1993-09-22

Family

ID=6392629

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9023247A Expired - Fee Related GB2239414B (en) 1989-10-27 1990-10-25 Pipe rolling process on a plug mill train

Country Status (4)

Country Link
DE (1) DE3936326A1 (en)
FR (1) FR2653689A1 (en)
GB (1) GB2239414B (en)
IT (1) IT1243979B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213276C2 (en) * 1992-04-16 1996-05-23 Mannesmann Ag Process for producing seamless pipes using the plug rolling process
DE4243688C1 (en) * 1992-12-18 1994-03-31 Mannesmann Ag Aligning rough workpiece in front of error reduction roller mechanism - involves altering entry orientation according to measured geometry errors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB785870A (en) * 1955-06-09 1957-11-06 Aetna Standard Eng Co Tube turner for plug mills
GB2191966A (en) * 1986-06-25 1987-12-31 Kocks Technik Seamless tube manufacture
US4798071A (en) * 1986-06-25 1989-01-17 Kocks Technik Gmbh & Co. Seamless tube production

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE828838C (en) * 1949-10-30 1952-01-21 Hans Fliegenschmidt Dr Ing Plug mill
US2599847A (en) * 1950-02-09 1952-06-10 Nat Tube Co Entry guide for seamless tube plug rolling mills
US4406143A (en) * 1981-12-23 1983-09-27 United States Steel Corporation Return pass practice for the high mill of a seamless-pipe mill
JPS61289905A (en) * 1985-06-17 1986-12-19 Kawasaki Steel Corp Method and apparatus for reversible elongation of seamless pipe
SU1366248A1 (en) * 1986-04-22 1988-01-15 Днепропетровский Металлургический Институт Им.Л.И.Брежнева Method of lengthwise rolling of tubes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB785870A (en) * 1955-06-09 1957-11-06 Aetna Standard Eng Co Tube turner for plug mills
GB2191966A (en) * 1986-06-25 1987-12-31 Kocks Technik Seamless tube manufacture
US4798071A (en) * 1986-06-25 1989-01-17 Kocks Technik Gmbh & Co. Seamless tube production

Also Published As

Publication number Publication date
IT1243979B (en) 1994-06-28
IT9021597A0 (en) 1990-09-28
GB2239414A (en) 1991-07-03
GB9023247D0 (en) 1990-12-05
DE3936326A1 (en) 1991-05-02
IT9021597A1 (en) 1992-03-28
FR2653689A1 (en) 1991-05-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19941025