AU6014373A - A system and device for avoiding any change ofthe crosssection of tubular bodies during their cold bending - Google Patents

A system and device for avoiding any change ofthe crosssection of tubular bodies during their cold bending

Info

Publication number
AU6014373A
AU6014373A AU60143/73A AU6014373A AU6014373A AU 6014373 A AU6014373 A AU 6014373A AU 60143/73 A AU60143/73 A AU 60143/73A AU 6014373 A AU6014373 A AU 6014373A AU 6014373 A AU6014373 A AU 6014373A
Authority
AU
Australia
Prior art keywords
crosssection
avoiding
tubular bodies
cold bending
bodies during
Prior art date
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
AU60143/73A
Other languages
English (en)
Inventor
Crotti Piero
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.)
Camak S A
Original Assignee
CAMAR SA
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 CAMAR SA filed Critical CAMAR SA
Publication of AU6014373A publication Critical patent/AU6014373A/en
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
    • B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
    • 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
    • B21D9/15—Bending 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)
AU60143/73A 1972-09-18 1973-09-10 A system and device for avoiding any change ofthe crosssection of tubular bodies during their cold bending Expired AU6014373A (en)

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
AU6014373A true AU6014373A (en) 1975-03-13

Family

ID=11277645

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60143/73A Expired AU6014373A (en) 1972-09-18 1973-09-10 A system and device for avoiding any change ofthe crosssection of tubular bodies during their cold bending

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)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT232332Y1 (it) * 1994-02-22 1999-12-17 Borletti Climatizzazione Attrezzatura per la piegatura a u di tubi per scambiatori di calore muniti di alette radiali sporgenti dalla parete interna del tubo.
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

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
LU68193A1 (es) 1973-10-16
US3859839A (en) 1975-01-14
AR197995A1 (es) 1974-05-24
ES194925Y (es) 1975-06-01
BE803178A (fr) 1973-12-03
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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