LU68193A1 - - Google Patents

Info

Publication number
LU68193A1
LU68193A1 LU68193A LU68193DA LU68193A1 LU 68193 A1 LU68193 A1 LU 68193A1 LU 68193 A LU68193 A LU 68193A LU 68193D A LU68193D A LU 68193DA LU 68193 A1 LU68193 A1 LU 68193A1
Authority
LU
Luxembourg
Application number
LU68193A
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 filed Critical
Publication of LU68193A1 publication Critical patent/LU68193A1/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00Bending tubes using mandrels or the like
    • B21D9/01Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00Bending tubes using mandrels or the like
    • B21D9/15Bending tubes using mandrels or the like using filling material of indefinite shape, e.g. sand, plastic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
LU68193A 1972-09-18 1973-08-09 LU68193A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT52811/72A IT965396B (it) 1972-09-18 1972-09-18 Sistema e dispositivo per mante mere in alterata la sezione tra sversale di corpi tubolari du rante una operazione di incurva mento a freddo

Publications (1)

Publication Number Publication Date
LU68193A1 true LU68193A1 (es) 1973-10-16

Family

ID=11277645

Family Applications (1)

Application Number Title Priority Date Filing Date
LU68193A LU68193A1 (es) 1972-09-18 1973-08-09

Country Status (14)

Country Link
US (1) US3859839A (es)
JP (1) JPS4970863A (es)
AR (1) AR197995A1 (es)
AT (1) AT327640B (es)
AU (1) AU6014373A (es)
BE (1) BE803178A (es)
CH (1) CH570213A5 (es)
DE (1) DE2346103A1 (es)
ES (1) ES194925Y (es)
FR (1) FR2200065B1 (es)
IT (1) IT965396B (es)
LU (1) LU68193A1 (es)
NL (1) NL7312378A (es)
ZA (1) ZA734924B (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668114A1 (en) * 1994-02-22 1995-08-23 MAGNETI MARELLI CLIMATIZZAZIONE S.r.l. A tool for making U-shaped bends in heat-exchanger tubes having radial fins projecting from the internal walls of the tubes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4031827B2 (ja) * 2002-10-10 2008-01-09 三桜工業株式会社 二重管の曲げ方法
US9694413B2 (en) 2009-03-19 2017-07-04 Magna International Inc. Method of producing tailored tubes
DE102014107389A1 (de) * 2014-05-26 2015-11-26 Viega Gmbh & Co. Kg Innenbiegewerkzeug für Rohre

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US179130A (en) * 1876-06-27 Improvement in pipe-bending mandrels
US425395A (en) * 1890-04-08 Pipe-bending core
US1654697A (en) * 1925-10-17 1928-01-03 Adolph Mueller Pipe-bending mandrel
US2729265A (en) * 1951-12-20 1956-01-03 Boeing Co Articulated metal forming tool
DE955018C (de) * 1954-02-26 1956-12-27 Ludwig Lang Biegsamer Dorn zum Biegen von Rohren
GB837462A (en) * 1957-12-02 1960-06-15 Gen Electric Co Ltd Improvements in or relating to waveguides and methods of bending waveguides
GB845241A (en) * 1957-12-02 1960-08-17 Gen Electric Co Ltd Improvements in or relating to waveguides and methods of bending waveguides
US3279237A (en) * 1963-05-20 1966-10-18 Mueller Brass Co Mandrel for bending tubing
US3580044A (en) * 1969-03-24 1971-05-25 Edwin A De Voss Tube bending mandrel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668114A1 (en) * 1994-02-22 1995-08-23 MAGNETI MARELLI CLIMATIZZAZIONE S.r.l. A tool for making U-shaped bends in heat-exchanger tubes having radial fins projecting from the internal walls of the tubes

Also Published As

Publication number Publication date
ES194925U (es) 1975-01-01
FR2200065B1 (es) 1978-01-27
IT965396B (it) 1974-01-31
ZA734924B (en) 1974-06-26
AT327640B (de) 1976-02-10
DE2346103A1 (de) 1974-03-28
US3859839A (en) 1975-01-14
AR197995A1 (es) 1974-05-24
ES194925Y (es) 1975-06-01
BE803178A (fr) 1973-12-03
AU6014373A (en) 1975-03-13
CH570213A5 (es) 1975-12-15
ATA720173A (de) 1975-04-15
JPS4970863A (es) 1974-07-09
NL7312378A (es) 1974-03-20
FR2200065A1 (es) 1974-04-19

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