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CH521179A - Device for producing pipe elbows - Google Patents

Device for producing pipe elbows

Info

Publication number
CH521179A
CH521179A CH401371A CH401371A CH521179A CH 521179 A CH521179 A CH 521179A CH 401371 A CH401371 A CH 401371A CH 401371 A CH401371 A CH 401371A CH 521179 A CH521179 A CH 521179A
Authority
CH
Switzerland
Prior art keywords
producing pipe
pipe elbows
elbows
producing
pipe
Prior art date
Application number
CH401371A
Other languages
German (de)
Inventor
Schillig Robert
Original Assignee
Fischer Ag Georg
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 Fischer Ag Georg filed Critical Fischer Ag Georg
Priority to CH401371A priority Critical patent/CH521179A/en
Priority to DE19722204683 priority patent/DE2204683A1/en
Priority to FR7208855A priority patent/FR2130214B1/fr
Priority to BE780845A priority patent/BE780845A/en
Publication of CH521179A publication Critical patent/CH521179A/en

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)
CH401371A 1971-03-18 1971-03-18 Device for producing pipe elbows CH521179A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH401371A CH521179A (en) 1971-03-18 1971-03-18 Device for producing pipe elbows
DE19722204683 DE2204683A1 (en) 1971-03-18 1972-02-01 Device for making pipe crooked
FR7208855A FR2130214B1 (en) 1971-03-18 1972-03-14
BE780845A BE780845A (en) 1971-03-18 1972-03-17 DEVICE FOR MAKING ELBOW TUBULAR TRUNCONS

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 (1)

Publication Number Publication Date
CH521179A true CH521179A (en) 1972-04-15

Family

ID=4268163

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (5)

* 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
DE2825166C2 (en) * 1978-06-08 1987-02-05 Rohrbogenwerk H. Siekmann GmbH & Co, 4980 Bünde Method and device for producing pipe bends with a cross-section tapering from one end to the other
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL94488C (en) * 1952-05-26
FR1130941A (en) * 1955-08-22 1957-02-13 Process for the manufacture of curved tubes and device for carrying out this process

Also Published As

Publication number Publication date
FR2130214A1 (en) 1972-11-03
DE2204683A1 (en) 1972-09-21
BE780845A (en) 1972-07-17
FR2130214B1 (en) 1975-08-29

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Legal Events

Date Code Title Description
PL Patent ceased