FR2272764B1 - - Google Patents

Info

Publication number
FR2272764B1
FR2272764B1 FR7418742A FR7418742A FR2272764B1 FR 2272764 B1 FR2272764 B1 FR 2272764B1 FR 7418742 A FR7418742 A FR 7418742A FR 7418742 A FR7418742 A FR 7418742A FR 2272764 B1 FR2272764 B1 FR 2272764B1
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
FR7418742A
Other languages
French (fr)
Other versions
FR2272764A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7418742A priority Critical patent/FR2272764A1/fr
Publication of FR2272764A1 publication Critical patent/FR2272764A1/fr
Application granted granted Critical
Publication of FR2272764B1 publication Critical patent/FR2272764B1/fr
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FR7418742A 1974-05-30 1974-05-30 Centring mandrel for large pipes being worked - has end reinforcement and bolted cages for sprung centring rollers Granted FR2272764A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7418742A FR2272764A1 (en) 1974-05-30 1974-05-30 Centring mandrel for large pipes being worked - has end reinforcement and bolted cages for sprung centring rollers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7418742A FR2272764A1 (en) 1974-05-30 1974-05-30 Centring mandrel for large pipes being worked - has end reinforcement and bolted cages for sprung centring rollers

Publications (2)

Publication Number Publication Date
FR2272764A1 FR2272764A1 (en) 1975-12-26
FR2272764B1 true FR2272764B1 (de) 1980-10-31

Family

ID=9139449

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7418742A Granted FR2272764A1 (en) 1974-05-30 1974-05-30 Centring mandrel for large pipes being worked - has end reinforcement and bolted cages for sprung centring rollers

Country Status (1)

Country Link
FR (1) FR2272764A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6389872B1 (en) 2000-08-31 2002-05-21 Crc-Evans Pipeline International, Inc. Mandrel apparatus with floating spring members

Also Published As

Publication number Publication date
FR2272764A1 (en) 1975-12-26

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Legal Events

Date Code Title Description
ST Notification of lapse