FR2130214A1 - - Google Patents

Info

Publication number
FR2130214A1
FR2130214A1 FR7208855A FR7208855A FR2130214A1 FR 2130214 A1 FR2130214 A1 FR 2130214A1 FR 7208855 A FR7208855 A FR 7208855A FR 7208855 A FR7208855 A FR 7208855A FR 2130214 A1 FR2130214 A1 FR 2130214A1
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
FR7208855A
Other languages
French (fr)
Other versions
FR2130214B1 (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.)
Georg Fischer AG
Original Assignee
Georg Fischer 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 Georg Fischer AG filed Critical Georg Fischer AG
Publication of FR2130214A1 publication Critical patent/FR2130214A1/fr
Application granted granted Critical
Publication of FR2130214B1 publication Critical patent/FR2130214B1/fr
Expired 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
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/12—Bending tubes using mandrels or the like by pushing over a curved mandrel; by pushing through a curved die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
FR7208855A 1971-03-18 1972-03-14 Expired FR2130214B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH401371A CH521179A (en) 1971-03-18 1971-03-18 Device for producing pipe elbows

Publications (2)

Publication Number Publication Date
FR2130214A1 true FR2130214A1 (en) 1972-11-03
FR2130214B1 FR2130214B1 (en) 1975-08-29

Family

ID=4268163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7208855A Expired FR2130214B1 (en) 1971-03-18 1972-03-14

Country Status (4)

Country Link
BE (1) BE780845A (en)
CH (1) CH521179A (en)
DE (1) DE2204683A1 (en)
FR (1) FR2130214B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427859A1 (en) * 1978-06-08 1980-01-04 Siekmann & Co Rohrbogenwerk Tapered pipe elbow making system - includes forcing straight pipe over rigidly supported tapered and curved mandrel ejected by ring

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2536852C2 (en) * 1975-08-19 1984-02-23 Gebr. Möck, 7400 Tübingen Device for the production of pipe bends with a small radius of curvature
CN103978078B (en) * 2014-05-16 2015-11-18 中国人民解放军第五三一一工厂 A kind of bending apparatus of thin-walled tube and bending method
CN105689477A (en) * 2016-02-16 2016-06-22 湖州久立管件有限公司 Bending process for aluminum alloy elbow
CN109821945B (en) * 2019-03-18 2020-06-23 燕山大学 Metal pipe bending device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1130941A (en) * 1955-08-22 1957-02-13 Process for the manufacture of curved tubes and device for carrying out this process
GB904645A (en) * 1952-05-26 1962-08-29 Alfred Clay Arbogast Device and method for making pipe fittings

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB904645A (en) * 1952-05-26 1962-08-29 Alfred Clay Arbogast Device and method for making pipe fittings
FR1130941A (en) * 1955-08-22 1957-02-13 Process for the manufacture of curved tubes and device for carrying out this process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2427859A1 (en) * 1978-06-08 1980-01-04 Siekmann & Co Rohrbogenwerk Tapered pipe elbow making system - includes forcing straight pipe over rigidly supported tapered and curved mandrel ejected by ring

Also Published As

Publication number Publication date
BE780845A (en) 1972-07-17
CH521179A (en) 1972-04-15
FR2130214B1 (en) 1975-08-29
DE2204683A1 (en) 1972-09-21

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Legal Events

Date Code Title Description
ST Notification of lapse