FR2130214B1 - - Google Patents

Info

Publication number
FR2130214B1
FR2130214B1 FR7208855A FR7208855A FR2130214B1 FR 2130214 B1 FR2130214 B1 FR 2130214B1 FR 7208855 A FR7208855 A FR 7208855A FR 7208855 A FR7208855 A FR 7208855A FR 2130214 B1 FR2130214 B1 FR 2130214B1
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.)
Expired
Application number
FR7208855A
Other languages
French (fr)
Other versions
FR2130214A1 (zh
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
FR7208855A 1971-03-18 1972-03-14 Expired FR2130214B1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH401371A CH521179A (de) 1971-03-18 1971-03-18 Vorrichtung zum Herstellen von Rohrkrümmern

Publications (2)

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

Family

ID=4268163

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103978078A (zh) * 2014-05-16 2014-08-13 张明光 一种薄壁管子的弯曲装置及弯曲方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2536852C2 (de) * 1975-08-19 1984-02-23 Gebr. Möck, 7400 Tübingen Vorrichtung zur Herstellung von Rohrbogen mit kleinem Krümmungsradius
DE2825166A1 (de) * 1978-06-08 1979-12-13 Siekmann & Co Rohrbogenwerk Verfahren und vorrichtung zum herstellen von rohrbogen mit sich von einem zum anderen ende verjuengendem querschnitt
CN105689477A (zh) * 2016-02-16 2016-06-22 湖州久立管件有限公司 一种铝合金弯头弯曲工艺
CN109821945B (zh) * 2019-03-18 2020-06-23 燕山大学 一种金属管材弯曲装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL94488C (zh) * 1952-05-26
FR1130941A (fr) * 1955-08-22 1957-02-13 Procédé pour la fabrication de tubes incurvés et dispositif pour la réalisation de ce procédé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103978078A (zh) * 2014-05-16 2014-08-13 张明光 一种薄壁管子的弯曲装置及弯曲方法

Also Published As

Publication number Publication date
DE2204683A1 (de) 1972-09-21
FR2130214A1 (zh) 1972-11-03
CH521179A (de) 1972-04-15
BE780845A (fr) 1972-07-17

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Legal Events

Date Code Title Description
ST Notification of lapse