FR2219808A1 - - Google Patents

Info

Publication number
FR2219808A1
FR2219808A1 FR7404635A FR7404635A FR2219808A1 FR 2219808 A1 FR2219808 A1 FR 2219808A1 FR 7404635 A FR7404635 A FR 7404635A FR 7404635 A FR7404635 A FR 7404635A FR 2219808 A1 FR2219808 A1 FR 2219808A1
Authority
FR
France
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
FR7404635A
Other languages
French (fr)
Other versions
FR2219808B1 (en
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries 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.)
Filing date
Publication date
Application filed by Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Publication of FR2219808A1 publication Critical patent/FR2219808A1/fr
Application granted granted Critical
Publication of FR2219808B1 publication Critical patent/FR2219808B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/16—Control of thickness, width, diameter or other transverse dimensions
    • B21B37/24—Automatic variation of thickness according to a predetermined programme
    • 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
    • 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
    • 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
    • B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
FR7404635A 1973-03-02 1974-02-12 Expired FR2219808B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP48025427A JPS5143825B2 (en) 1973-03-02 1973-03-02
US435509A US3874211A (en) 1973-03-02 1974-01-22 Method of controlling the wall thickness within a tube elongater by utilizing a screw down control

Publications (2)

Publication Number Publication Date
FR2219808A1 true FR2219808A1 (en) 1974-09-27
FR2219808B1 FR2219808B1 (en) 1977-09-30

Family

ID=26363027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7404635A Expired FR2219808B1 (en) 1973-03-02 1974-02-12

Country Status (6)

Country Link
US (1) US3874211A (en)
JP (1) JPS5143825B2 (en)
BE (1) BE810061A (en)
DE (1) DE2409870A1 (en)
FR (1) FR2219808B1 (en)
GB (1) GB1442492A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2820865C2 (en) * 1978-05-10 1980-07-03 Mannesmann Ag, 4000 Duesseldorf Device for making pipes
DE2947233C2 (en) * 1979-11-23 1992-03-12 Kocks Technik Gmbh & Co, 4010 Hilden Device for controlling the wall thickness of pipes
JP3853428B2 (en) * 1995-08-25 2006-12-06 Ｊｆｅスチール株式会社 Method and equipment for drawing and rolling steel pipes
DE102005044777A1 (en) * 2005-09-20 2007-03-29 Sms Meer Gmbh Method and rolling mill for producing a seamless pipe
EP2087949B1 (en) * 2006-10-16 2014-01-22 Nippon Steel & Sumitomo Metal Corporation Mandrel mill and process for manufacturing seamless pipe
CN102303051B (en) * 2011-06-15 2013-04-03 天津商业大学 Pipe shape control method for rolling seamless steel pipe by using seven-frame tandem mill
EP2567762A1 (en) * 2011-09-12 2013-03-13 Nexans Device for corrugating a metal tube
MX352221B (en) * 2012-07-24 2017-11-15 Nippon Steel & Sumitomo Metal Corp Seamless metal tube fabrication method, mandrel mill, and auxiliary tools.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1515654A (en) * 1967-03-21 1968-03-01 Kocks Gmbh Friedrich Tube reduction process
FR1555893A (en) * 1966-12-30 1969-01-31

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2209968A (en) * 1938-05-02 1940-08-06 Nat Tube Co Manufacture of bessemer steel seamless tubes
US2767603A (en) * 1952-08-06 1956-10-23 United States Steel Corp Semiautomatic screw-down control for rolling mills
US2780118A (en) * 1953-02-05 1957-02-05 United States Steel Corp Apparatus for rolling tubes
US3369383A (en) * 1965-07-16 1968-02-20 Gen Dynamics Corp Rolling mill system
GB1176132A (en) * 1966-02-10 1970-01-01 United Eng Foundry Co Improvements in a Rolling Mill and Control for obtaining Constant Gauge
DE1752713C2 (en) * 1968-07-05 1983-09-01 Mannesmann AG, 4000 Düsseldorf Process for rolling tubes in a stretch-reducing mill

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1555893A (en) * 1966-12-30 1969-01-31
FR1515654A (en) * 1967-03-21 1968-03-01 Kocks Gmbh Friedrich Tube reduction process

Also Published As

Publication number Publication date
GB1442492A (en) 1976-07-14
JPS5143825B2 (en) 1976-11-25
FR2219808B1 (en) 1977-09-30
DE2409870A1 (en) 1974-09-12
JPS49113752A (en) 1974-10-30
US3874211A (en) 1975-04-01
BE810061A (en) 1974-05-16

Similar Documents

Publication Publication Date Title
AR201235Q (en)
AR201231Q (en)
AU474593B2 (en)
AU474511B2 (en)
AU474838B2 (en)
FR2219808B1 (en)
AR201229Q (en)
AU472848B2 (en)
AR199451A1 (en)
AR195311A1 (en)
AR195948A1 (en)
AR196382A1 (en)
AR200885A1 (en)
AR200256A1 (en)
AR193950A1 (en)
AR197627A1 (en)
AR201432A1 (en)
AR196123Q (en)
AR196212Q (en)
BG19501A1 (en)
AU481771A (en)
BG21830A3 (en)
BG19485A1 (en)
BG19434A1 (en)
CH561829A5 (en)