EP0431775A3 - Method of continuous finishing of pipe - Google Patents

Method of continuous finishing of pipe Download PDF

Info

Publication number
EP0431775A3
EP0431775A3 EP19900312467 EP90312467A EP0431775A3 EP 0431775 A3 EP0431775 A3 EP 0431775A3 EP 19900312467 EP19900312467 EP 19900312467 EP 90312467 A EP90312467 A EP 90312467A EP 0431775 A3 EP0431775 A3 EP 0431775A3
Authority
EP
European Patent Office
Prior art keywords
pipe
continuous finishing
finishing
continuous
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.)
Withdrawn
Application number
EP19900312467
Other versions
EP0431775A2 (en
Inventor
Kazuo C/O Patent & License Department Yamazaki
Shinji C/O Patent & License Department Akita
Fuyuhiko C/O Patent & License Dep. Kajiyama
Tetsuya C/O Patent & License Dep. Koura
Tetsuya C/O Patent & License Dep. Iwaide
Yoshioki C/O Patent & License Dep. Komiya
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
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
Priority claimed from JP30192389A external-priority patent/JPH03165927A/en
Priority claimed from JP30192289A external-priority patent/JPH03165926A/en
Application filed by NKK Corp filed Critical NKK Corp
Publication of EP0431775A2 publication Critical patent/EP0431775A2/en
Publication of EP0431775A3 publication Critical patent/EP0431775A3/en
Withdrawn legal-status Critical Current

Links

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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
    • B21D3/04—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes skew to the path of the work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)
EP19900312467 1989-11-22 1990-11-15 Method of continuous finishing of pipe Withdrawn EP0431775A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP301923/89 1989-11-22
JP301922/89 1989-11-22
JP30192389A JPH03165927A (en) 1989-11-22 1989-11-22 High speed straightening machine for long tube with small diameter
JP30192289A JPH03165926A (en) 1989-11-22 1989-11-22 Finishing operation installation for long steel tube

Publications (2)

Publication Number Publication Date
EP0431775A2 EP0431775A2 (en) 1991-06-12
EP0431775A3 true EP0431775A3 (en) 1991-07-10

Family

ID=26562928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900312467 Withdrawn EP0431775A3 (en) 1989-11-22 1990-11-15 Method of continuous finishing of pipe

Country Status (1)

Country Link
EP (1) EP0431775A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2587206B1 (en) 2010-06-28 2019-03-06 Nippon Steel & Sumitomo Metal Corporation Heat transfer tube for steam generator and method for producing the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207289A (en) * 1963-04-29 1965-09-21 United States Steel Corp Apparatus for delivering pipe lengths sidewise as discharged from rotary straightener or the like
US4406141A (en) * 1980-08-21 1983-09-27 Nippon Kokan Kabushiki Kaisha Straightening apparatus for steel pipes and the like
US4494394A (en) * 1981-07-06 1985-01-22 Nilsson Einar W Straightening machines and methods
EP0182003A2 (en) * 1984-11-14 1986-05-28 Th. Kieserling & Albrecht GmbH & Co. Cross-roll straightening machine with more than two straightening rolls
US4663955A (en) * 1986-02-18 1987-05-12 Roman Engineering Company, Inc. Apparatus for straightening tubing
DE3729619A1 (en) * 1987-09-04 1989-03-16 Reika Werk Gmbh Maschf Method and device for straightening longitudinally displaceable tubes rotating about their longitudinal axis

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207289A (en) * 1963-04-29 1965-09-21 United States Steel Corp Apparatus for delivering pipe lengths sidewise as discharged from rotary straightener or the like
US4406141A (en) * 1980-08-21 1983-09-27 Nippon Kokan Kabushiki Kaisha Straightening apparatus for steel pipes and the like
US4494394A (en) * 1981-07-06 1985-01-22 Nilsson Einar W Straightening machines and methods
EP0182003A2 (en) * 1984-11-14 1986-05-28 Th. Kieserling & Albrecht GmbH & Co. Cross-roll straightening machine with more than two straightening rolls
US4663955A (en) * 1986-02-18 1987-05-12 Roman Engineering Company, Inc. Apparatus for straightening tubing
DE3729619A1 (en) * 1987-09-04 1989-03-16 Reika Werk Gmbh Maschf Method and device for straightening longitudinally displaceable tubes rotating about their longitudinal axis

Also Published As

Publication number Publication date
EP0431775A2 (en) 1991-06-12

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