FR2205378A1 - - Google Patents

Info

Publication number
FR2205378A1
FR2205378A1 FR7339086A FR7339086A FR2205378A1 FR 2205378 A1 FR2205378 A1 FR 2205378A1 FR 7339086 A FR7339086 A FR 7339086A FR 7339086 A FR7339086 A FR 7339086A FR 2205378 A1 FR2205378 A1 FR 2205378A1
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.)
Withdrawn
Application number
FR7339086A
Other languages
French (fr)
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.)
Mannesmann Meer AG
Original Assignee
Mannesmann Meer 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 Meer AG filed Critical Mannesmann Meer AG
Publication of FR2205378A1 publication Critical patent/FR2205378A1/fr
Withdrawn legal-status Critical Current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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
FR7339086A 1972-11-08 1973-11-02 Withdrawn FR2205378A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722255621 DE2255621A1 (de) 1972-11-08 1972-11-08 Verfahren zum herstellen von grossrohren aus hochfesten baustaehlen

Publications (1)

Publication Number Publication Date
FR2205378A1 true FR2205378A1 (zh) 1974-05-31

Family

ID=5861619

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7339086A Withdrawn FR2205378A1 (zh) 1972-11-08 1973-11-02

Country Status (4)

Country Link
JP (1) JPS4978668A (zh)
DE (1) DE2255621A1 (zh)
FR (1) FR2205378A1 (zh)
IT (1) IT995943B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022189502A1 (de) * 2021-03-11 2022-09-15 Peri Se Verfahren zur herstellung eines innenrohres für eine stützvorrichtung sowie stützvorrichtung mit einem solchen innenrohr

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9266155B2 (en) * 2010-11-23 2016-02-23 Dalian Sage Group Co., Ltd. Super large diameter longitudinal welded pipe forming machine set
JP5723020B2 (ja) * 2010-11-30 2015-05-27 大連三高集団有限公司 大径ストレートシーム溶接管生産ライン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022189502A1 (de) * 2021-03-11 2022-09-15 Peri Se Verfahren zur herstellung eines innenrohres für eine stützvorrichtung sowie stützvorrichtung mit einem solchen innenrohr

Also Published As

Publication number Publication date
IT995943B (it) 1975-11-20
DE2255621A1 (de) 1974-05-16
JPS4978668A (zh) 1974-07-29

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Legal Events

Date Code Title Description
ST Notification of lapse