NL193100B - Veerkrachtige inwendige doorn. - Google Patents

Veerkrachtige inwendige doorn.

Info

Publication number
NL193100B
NL193100B NL8400149A NL8400149A NL193100B NL 193100 B NL193100 B NL 193100B NL 8400149 A NL8400149 A NL 8400149A NL 8400149 A NL8400149 A NL 8400149A NL 193100 B NL193100 B NL 193100B
Authority
NL
Netherlands
Prior art keywords
internal mandrel
resilient internal
resilient
mandrel
internal
Prior art date
Application number
NL8400149A
Other languages
English (en)
Other versions
NL8400149A (nl
NL193100C (nl
Original Assignee
Crc Pipeline Int 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 Int Inc filed Critical Crc Pipeline Int Inc
Publication of NL8400149A publication Critical patent/NL8400149A/nl
Publication of NL193100B publication Critical patent/NL193100B/nl
Application granted granted Critical
Publication of NL193100C publication Critical patent/NL193100C/nl

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)
NL8400149A 1983-01-26 1984-01-17 Veerkrachtige inwendige doorn. NL193100C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/461,172 US4493203A (en) 1983-01-26 1983-01-26 Resilient internal mandrel
US46117283 1983-01-26

Publications (3)

Publication Number Publication Date
NL8400149A NL8400149A (nl) 1984-08-16
NL193100B true NL193100B (nl) 1998-07-01
NL193100C NL193100C (nl) 1998-11-03

Family

ID=23831488

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8400149A NL193100C (nl) 1983-01-26 1984-01-17 Veerkrachtige inwendige doorn.

Country Status (10)

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

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 (en) * 1997-09-15 1999-03-17 Tractor System Equipment di Villa Rag. Andrea & C. S.n.c. Mandrel for supporting the inside wall of a pipe during the cold-bending of said pipe in a press
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 (nl) * 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
EP0115796B1 (en) 1990-07-25
CA1217701A (en) 1987-02-10
EP0115796A2 (en) 1984-08-15
AU569863B2 (en) 1988-02-25
AU2314884A (en) 1984-08-02
MX159769A (es) 1989-08-17
US4493203A (en) 1985-01-15
EP0115796A3 (en) 1984-11-28
NL8400149A (nl) 1984-08-16
NL193100C (nl) 1998-11-03
JPS59174226A (ja) 1984-10-02
IN160553B (nl) 1987-07-18
SG90990G (en) 1991-01-18
DE3482780D1 (de) 1990-08-30

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: CRC PIPELINE INTERNATIONAL, INC.

BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: CRC-EVANS PIPELINE INTERNATIONAL, INC. TE FORT WORTH

CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: CONNECT CORPORATION

DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: CRC-EVANS PIPELINE INTERNATIONAL, INC.

V1 Lapsed because of non-payment of the annual fee

Effective date: 20020801