FR2200065B1 - - Google Patents

Info

Publication number
FR2200065B1
FR2200065B1 FR7328324A FR7328324A FR2200065B1 FR 2200065 B1 FR2200065 B1 FR 2200065B1 FR 7328324 A FR7328324 A FR 7328324A FR 7328324 A FR7328324 A FR 7328324A FR 2200065 B1 FR2200065 B1 FR 2200065B1
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
FR7328324A
Other languages
French (fr)
Other versions
FR2200065A1 (ja
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.)
CAMAR SA
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 FR2200065A1 publication Critical patent/FR2200065A1/fr
Application granted granted Critical
Publication of FR2200065B1 publication Critical patent/FR2200065B1/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
    • B21D9/01—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)
FR7328324A 1972-09-18 1973-08-02 Expired FR2200065B1 (ja)

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 (2)

Publication Number Publication Date
FR2200065A1 FR2200065A1 (ja) 1974-04-19
FR2200065B1 true FR2200065B1 (ja) 1978-01-27

Family

ID=11277645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7328324A Expired FR2200065B1 (ja) 1972-09-18 1973-08-02

Country Status (14)

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

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
MX2011009763A (es) 2009-03-19 2011-09-29 Magna Int Inc Metodo para producir tubos a la medida.
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
GB845241A (en) * 1957-12-02 1960-08-17 Gen Electric Co Ltd Improvements in or relating to waveguides and methods of bending waveguides
GB837462A (en) * 1957-12-02 1960-06-15 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
ZA734924B (en) 1974-06-26
JPS4970863A (ja) 1974-07-09
NL7312378A (ja) 1974-03-20
IT965396B (it) 1974-01-31
US3859839A (en) 1975-01-14
ES194925U (es) 1975-01-01
ATA720173A (de) 1975-04-15
CH570213A5 (ja) 1975-12-15
AR197995A1 (es) 1974-05-24
LU68193A1 (ja) 1973-10-16
DE2346103A1 (de) 1974-03-28
AU6014373A (en) 1975-03-13
FR2200065A1 (ja) 1974-04-19
BE803178A (fr) 1973-12-03
AT327640B (de) 1976-02-10
ES194925Y (es) 1975-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse