EP0195408A3 - Flexibler Dorn zum Biegen hohler Gegenstände - Google Patents

Flexibler Dorn zum Biegen hohler Gegenstände Download PDF

Info

Publication number
EP0195408A3
EP0195408A3 EP86103646A EP86103646A EP0195408A3 EP 0195408 A3 EP0195408 A3 EP 0195408A3 EP 86103646 A EP86103646 A EP 86103646A EP 86103646 A EP86103646 A EP 86103646A EP 0195408 A3 EP0195408 A3 EP 0195408A3
Authority
EP
European Patent Office
Prior art keywords
mandrel
cross
hoses
hollow articles
flexible mandrel
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.)
Ceased
Application number
EP86103646A
Other languages
English (en)
French (fr)
Other versions
EP0195408A2 (de
Inventor
James Donald Klingensmith
Robert Paul Evert
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.)
Howmet Aerospace Inc
Original Assignee
Aluminum Company of America
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 Aluminum Company of America filed Critical Aluminum Company of America
Publication of EP0195408A2 publication Critical patent/EP0195408A2/de
Publication of EP0195408A3 publication Critical patent/EP0195408A3/de
Ceased 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)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP86103646A 1985-03-21 1986-03-18 Flexibler Dorn zum Biegen hohler Gegenstände Ceased EP0195408A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71436385A 1985-03-21 1985-03-21
US714363 2000-11-15

Publications (2)

Publication Number Publication Date
EP0195408A2 EP0195408A2 (de) 1986-09-24
EP0195408A3 true EP0195408A3 (de) 1987-04-29

Family

ID=24869738

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86103646A Ceased EP0195408A3 (de) 1985-03-21 1986-03-18 Flexibler Dorn zum Biegen hohler Gegenstände

Country Status (2)

Country Link
EP (1) EP0195408A3 (de)
JP (1) JPS61253126A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3701612A1 (de) * 1987-01-21 1988-08-04 Benteler Werke Ag Verfahren zum biegen von rohren und stuetzdorn zur durchfuehrung des verfahrens

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1555895A (en) * 1924-11-03 1925-10-06 American Nat Company Method of bending sheet-metal blanks having alpha rolled edge
DE1552862A1 (de) * 1966-12-29 1969-09-11 Banning Ag Maschinenfabrik J Biegedorn fuer duennwandige Rohre
US3851519A (en) * 1972-06-06 1974-12-03 Crc Crose Int Inc Internal pipe supporting mandrel
DE2449221A1 (de) * 1973-10-17 1975-04-24 Pneumatiques Caoutchouc Mfg Ausweitbarer dorn oder kern zum biegen von metallrohren mit grossem durchmesser
US3922134A (en) * 1973-12-17 1975-11-25 Robintech Inc Pipe bending mandrel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1555895A (en) * 1924-11-03 1925-10-06 American Nat Company Method of bending sheet-metal blanks having alpha rolled edge
DE1552862A1 (de) * 1966-12-29 1969-09-11 Banning Ag Maschinenfabrik J Biegedorn fuer duennwandige Rohre
US3851519A (en) * 1972-06-06 1974-12-03 Crc Crose Int Inc Internal pipe supporting mandrel
DE2449221A1 (de) * 1973-10-17 1975-04-24 Pneumatiques Caoutchouc Mfg Ausweitbarer dorn oder kern zum biegen von metallrohren mit grossem durchmesser
US3922134A (en) * 1973-12-17 1975-11-25 Robintech Inc Pipe bending mandrel

Also Published As

Publication number Publication date
JPS61253126A (ja) 1986-11-11
EP0195408A2 (de) 1986-09-24

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Inventor name: EVERT, ROBERT PAUL

Inventor name: KLINGENSMITH, JAMES DONALD