IT965396B - SYSTEM AND DEVICE FOR AFFECTING THE SECTION BETWEEN THE TUBULAR BODIES DURING A COLD BENDING OPERATION - Google Patents

SYSTEM AND DEVICE FOR AFFECTING THE SECTION BETWEEN THE TUBULAR BODIES DURING A COLD BENDING OPERATION

Info

Publication number
IT965396B
IT965396B IT52811/72A IT5281172A IT965396B IT 965396 B IT965396 B IT 965396B IT 52811/72 A IT52811/72 A IT 52811/72A IT 5281172 A IT5281172 A IT 5281172A IT 965396 B IT965396 B IT 965396B
Authority
IT
Italy
Prior art keywords
affecting
section
bending operation
tubular bodies
cold bending
Prior art date
Application number
IT52811/72A
Other languages
Italian (it)
Original Assignee
Castelli Sas Anonima
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 Castelli Sas Anonima filed Critical Castelli Sas Anonima
Priority to IT52811/72A priority Critical patent/IT965396B/en
Priority to US377732A priority patent/US3859839A/en
Priority to AR249085A priority patent/AR197995A1/en
Priority to ZA734924A priority patent/ZA734924B/en
Priority to FR7328324A priority patent/FR2200065B1/fr
Priority to BE134199A priority patent/BE803178A/en
Priority to LU68193A priority patent/LU68193A1/xx
Priority to AT720173A priority patent/AT327640B/en
Priority to NL7312378A priority patent/NL7312378A/xx
Priority to AU60143/73A priority patent/AU6014373A/en
Priority to ES1973194925U priority patent/ES194925Y/en
Priority to DE19732346103 priority patent/DE2346103A1/en
Priority to CH1329573A priority patent/CH570213A5/xx
Priority to JP48105390A priority patent/JPS4970863A/ja
Application granted granted Critical
Publication of IT965396B publication Critical patent/IT965396B/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)
IT52811/72A 1972-09-18 1972-09-18 SYSTEM AND DEVICE FOR AFFECTING THE SECTION BETWEEN THE TUBULAR BODIES DURING A COLD BENDING OPERATION IT965396B (en)

Priority Applications (14)

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
US377732A US3859839A (en) 1972-09-18 1973-07-09 System and device for avoiding any change of the cross section of tubular bodies during their cold bending
AR249085A AR197995A1 (en) 1972-09-18 1973-07-13 METHOD AND DEVICE FOR ELIMINATING CRUSHING OF A TUBULAR ELEMENT
ZA734924A ZA734924B (en) 1972-09-18 1973-07-19 A system and device for avoiding any change of the cross section of tubular bodies during their cold bending
FR7328324A FR2200065B1 (en) 1972-09-18 1973-08-02
BE134199A BE803178A (en) 1972-09-18 1973-08-03 METHOD AND DEVICE FOR MAINTAINING THE CROSS SECTION OF A TUBULAR ELEMENT WITHOUT MODIFICATION DURING COLD BENDING OPERATIONS
LU68193A LU68193A1 (en) 1972-09-18 1973-08-09
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
NL7312378A NL7312378A (en) 1972-09-18 1973-09-07
AU60143/73A 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
ES1973194925U ES194925Y (en) 1972-09-18 1973-09-12 ANTI-CRUSHING DEVICE FOR THE BENDING OF TUBES.
DE19732346103 DE2346103A1 (en) 1972-09-18 1973-09-13 DEVICE AND METHOD FOR USE IN THE COLD BENDING OF TUBE-SHAPED BODIES
CH1329573A CH570213A5 (en) 1972-09-18 1973-09-17
JP48105390A JPS4970863A (en) 1972-09-18 1973-09-18

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 (1)

Publication Number Publication Date
IT965396B true IT965396B (en) 1974-01-31

Family

ID=11277645

Family Applications (1)

Application Number Title Priority Date Filing Date
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

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
AT327640B (en) 1976-02-10
FR2200065A1 (en) 1974-04-19
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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