DE3482780D1 - Elastischer dorn. - Google Patents

Elastischer dorn.

Info

Publication number
DE3482780D1
DE3482780D1 DE8484100420T DE3482780T DE3482780D1 DE 3482780 D1 DE3482780 D1 DE 3482780D1 DE 8484100420 T DE8484100420 T DE 8484100420T DE 3482780 T DE3482780 T DE 3482780T DE 3482780 D1 DE3482780 D1 DE 3482780D1
Authority
DE
Germany
Prior art keywords
elastic thorn
thorn
elastic
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.)
Expired - Fee Related
Application number
DE8484100420T
Other languages
English (en)
Inventor
Lionel Harris Wheeler
Robert Gerald Goekler
Daniel Guy Luddeke
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.)
CRC Pipeline International Inc
Original Assignee
CRC Pipeline International Inc
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 CRC Pipeline International Inc filed Critical CRC Pipeline International Inc
Application granted granted Critical
Publication of DE3482780D1 publication Critical patent/DE3482780D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Bending Of Plates, Rods, And Pipes (AREA)
DE8484100420T 1983-01-26 1984-01-17 Elastischer dorn. Expired - Fee Related DE3482780D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/461,172 US4493203A (en) 1983-01-26 1983-01-26 Resilient internal mandrel

Publications (1)

Publication Number Publication Date
DE3482780D1 true DE3482780D1 (de) 1990-08-30

Family

ID=23831488

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484100420T Expired - Fee Related DE3482780D1 (de) 1983-01-26 1984-01-17 Elastischer dorn.

Country Status (10)

Country Link
US (1) US4493203A (de)
EP (1) EP0115796B1 (de)
JP (1) JPS59174226A (de)
AU (1) AU569863B2 (de)
CA (1) CA1217701A (de)
DE (1) DE3482780D1 (de)
IN (1) IN160553B (de)
MX (1) MX159769A (de)
NL (1) NL193100C (de)
SG (1) SG90990G (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62279031A (ja) * 1986-05-26 1987-12-03 Usui Internatl Ind Co Ltd 薄肉金属管の曲げ加工法とその装置及び芯金
DE3701612A1 (de) * 1987-01-21 1988-08-04 Benteler Werke Ag Verfahren zum biegen von rohren und stuetzdorn zur durchfuehrung des verfahrens
JPH0335821A (ja) * 1989-06-30 1991-02-15 Hashimoto Forming Ind Co Ltd 長尺ワークの曲げ加工装置
US5090608A (en) * 1990-02-20 1992-02-25 Crc-Evans Automatic Welding Resilient lineup clamp
US5597108A (en) * 1995-04-28 1997-01-28 Crc-Evans Pipeline International, Inc. Plug style pipe line-up clamp with copper back-up shoes
US5564303A (en) * 1995-06-07 1996-10-15 Buchanan; Robert W. Internal mandrel for use in pipe bending
US5735160A (en) * 1997-04-15 1998-04-07 Aluminum Company Of America Stretch forming metal bodies with polymeric internal mandrels
US5907896A (en) * 1997-09-10 1999-06-01 Tseng; Shao-Chien Method for bending forging artistic metallic pipes
EP0901847A1 (de) * 1997-09-15 1999-03-17 Tractor System Equipment di Villa Rag. Andrea & C. S.n.c. Dorn zur Stützung der Innenwandung eines Rohres während dessen Kaltumformung in einer Presse
US6085572A (en) * 1998-10-28 2000-07-11 Tube Bending Cocepts, Inc. Tube bending mandrel
DE10020725B4 (de) * 2000-04-27 2005-06-30 Thyssenkrupp Stahl Ag Biegevorrichtung für dünnwandige Metallrohre
US6389872B1 (en) 2000-08-31 2002-05-21 Crc-Evans Pipeline International, Inc. Mandrel apparatus with floating spring members
CN100491010C (zh) * 2005-08-09 2009-05-27 十堰市风雷工贸有限公司 一种小曲率半径弯管成型方法
US7404310B1 (en) * 2007-01-10 2008-07-29 Gm Global Technology Operations, Inc. Mandrel anchor for tube bending
GB2461954B (en) 2008-07-24 2010-08-04 Technip France Sa Method of spooling a bi-metallic pipe
US8240354B2 (en) 2010-04-12 2012-08-14 Won-Door Corporation Movable partition systems and components thereof including chain guide structures, and methods of forming and installing same
US10423734B2 (en) * 2016-05-03 2019-09-24 Hamid Reza Abbasi Method for determining filler types for press bending of pipes
CN107471618A (zh) * 2016-12-21 2017-12-15 温州风神硅胶制品有限公司 一种波纹管成型机
US9937545B1 (en) 2017-05-16 2018-04-10 Kooima Company Mandrel support device for tube bending machine

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971556A (en) * 1959-11-12 1961-02-14 David E Armstrong Cold tube bending and sizing
US3180130A (en) * 1962-04-09 1965-04-27 Crose Perrault Equipment Corp Mandrel for preventing wrinkling of pipes during bending thereof
US3279237A (en) * 1963-05-20 1966-10-18 Mueller Brass Co Mandrel for bending tubing
FR1377413A (fr) * 1963-09-13 1964-11-06 Creusot Forges Ateliers Appareil à dudgeonner
US3580044A (en) * 1969-03-24 1971-05-25 Edwin A De Voss Tube bending mandrel
US3834210A (en) * 1972-06-06 1974-09-10 Crc Crose Int Inc Pipe bending system
US3851519A (en) * 1972-06-06 1974-12-03 Crc Crose Int Inc Internal pipe supporting mandrel
FR2248095B1 (de) * 1973-10-17 1978-10-27 Kleber Colombes
US4006619A (en) * 1975-08-07 1977-02-08 James Hilbert Anderson Tube expander utilizing hydraulically actuated pistons
SU585898A1 (ru) * 1976-03-09 1977-12-30 Специальное Конструкторско-Технологическое Бюро "Стройдормаш" Оправка дл гибки труб
JPS5524742A (en) * 1978-08-11 1980-02-22 Hitachi Ltd Method and device for locating and expanding pipe

Also Published As

Publication number Publication date
JPS59174226A (ja) 1984-10-02
MX159769A (es) 1989-08-17
NL193100B (nl) 1998-07-01
AU2314884A (en) 1984-08-02
EP0115796A3 (en) 1984-11-28
IN160553B (de) 1987-07-18
EP0115796B1 (de) 1990-07-25
NL8400149A (nl) 1984-08-16
EP0115796A2 (de) 1984-08-15
CA1217701A (en) 1987-02-10
SG90990G (en) 1991-01-18
NL193100C (nl) 1998-11-03
AU569863B2 (en) 1988-02-25
US4493203A (en) 1985-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee