AT327640B - DEVICE FOR AVOIDING ANY COMPRESSION OF A TUBULAR BODY DURING A COLD BENDING PROCESS AND COLD BENDING METHOD USING THIS DEVICE - Google Patents

DEVICE FOR AVOIDING ANY COMPRESSION OF A TUBULAR BODY DURING A COLD BENDING PROCESS AND COLD BENDING METHOD USING THIS DEVICE

Info

Publication number
AT327640B
AT327640B AT720173A AT720173A AT327640B AT 327640 B AT327640 B AT 327640B AT 720173 A AT720173 A AT 720173A AT 720173 A AT720173 A AT 720173A AT 327640 B AT327640 B AT 327640B
Authority
AT
Austria
Prior art keywords
cold bending
avoiding
compression
tubular body
body during
Prior art date
Application number
AT720173A
Other languages
German (de)
Other versions
ATA720173A (en
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 ATA720173A publication Critical patent/ATA720173A/en
Application granted granted Critical
Publication of AT327640B publication Critical patent/AT327640B/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
    • B21D9/01—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)
AT720173A 1972-09-18 1973-08-17 DEVICE FOR AVOIDING ANY COMPRESSION OF A TUBULAR BODY DURING A COLD BENDING PROCESS AND COLD BENDING METHOD USING THIS DEVICE AT327640B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT52811/72A IT965396B (en) 1972-09-18 1972-09-18 SYSTEM AND DEVICE FOR AFFECTING THE SECTION BETWEEN THE TUBULAR BODIES DURING A COLD BENDING OPERATION

Publications (2)

Publication Number Publication Date
ATA720173A ATA720173A (en) 1975-04-15
AT327640B true AT327640B (en) 1976-02-10

Family

ID=11277645

Family Applications (1)

Application Number Title Priority Date Filing Date
AT720173A AT327640B (en) 1972-09-18 1973-08-17 DEVICE FOR AVOIDING ANY COMPRESSION OF A TUBULAR BODY DURING A COLD BENDING PROCESS AND COLD BENDING METHOD USING THIS DEVICE

Country Status (14)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT232332Y1 (en) * 1994-02-22 1999-12-17 Borletti Climatizzazione U-BENDING EQUIPMENT OF PIPES FOR HEAT EXCHANGERS EQUIPPED WITH RADIAL FINS EXTENDING FROM THE INTERNAL WALL OF THE PIPE.
JP4031827B2 (en) * 2002-10-10 2008-01-09 三桜工業株式会社 Double pipe bending method
WO2010105341A1 (en) 2009-03-19 2010-09-23 Magna International Inc. Method of producing tailored tubes
DE102014107389A1 (en) * 2014-05-26 2015-11-26 Viega Gmbh & Co. Kg Internal bending tool for pipes

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 (en) * 1954-02-26 1956-12-27 Ludwig Lang Flexible mandrel for bending pipes
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
ATA720173A (en) 1975-04-15
US3859839A (en) 1975-01-14
CH570213A5 (en) 1975-12-15
DE2346103A1 (en) 1974-03-28
FR2200065A1 (en) 1974-04-19
IT965396B (en) 1974-01-31
AU6014373A (en) 1975-03-13
ES194925U (en) 1975-01-01
NL7312378A (en) 1974-03-20
FR2200065B1 (en) 1978-01-27
ES194925Y (en) 1975-06-01
BE803178A (en) 1973-12-03
AR197995A1 (en) 1974-05-24
ZA734924B (en) 1974-06-26
LU68193A1 (en) 1973-10-16
JPS4970863A (en) 1974-07-09

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee