JPS56105824A - Core material for pipe bending device - Google Patents

Core material for pipe bending device

Info

Publication number
JPS56105824A
JPS56105824A JP18943480A JP18943480A JPS56105824A JP S56105824 A JPS56105824 A JP S56105824A JP 18943480 A JP18943480 A JP 18943480A JP 18943480 A JP18943480 A JP 18943480A JP S56105824 A JPS56105824 A JP S56105824A
Authority
JP
Japan
Prior art keywords
core material
bending device
pipe bending
pipe
core
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.)
Granted
Application number
JP18943480A
Other languages
English (en)
Other versions
JPS6328693B2 (ja
Inventor
Morutsu Teodoru
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.)
ECKOLD WALTER AG
Original Assignee
ECKOLD WALTER AG
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 ECKOLD WALTER AG filed Critical ECKOLD WALTER AG
Publication of JPS56105824A publication Critical patent/JPS56105824A/ja
Publication of JPS6328693B2 publication Critical patent/JPS6328693B2/ja
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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/82—Cores or mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
JP18943480A 1980-01-04 1980-12-31 Core material for pipe bending device Granted JPS56105824A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3000170A DE3000170C2 (de) 1980-01-04 1980-01-04 Dorn für ein zu biegendes Rohr

Publications (2)

Publication Number Publication Date
JPS56105824A true JPS56105824A (en) 1981-08-22
JPS6328693B2 JPS6328693B2 (ja) 1988-06-09

Family

ID=6091532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18943480A Granted JPS56105824A (en) 1980-01-04 1980-12-31 Core material for pipe bending device

Country Status (5)

Country Link
US (1) US4378689A (ja)
JP (1) JPS56105824A (ja)
DE (1) DE3000170C2 (ja)
FR (1) FR2473919B1 (ja)
GB (1) GB2069896B (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307283A1 (de) * 1983-03-02 1984-09-06 W. Eckold AG, Trimmis Rohrbiegeanlage
DE3438398A1 (de) * 1984-10-19 1986-04-30 Ebener GmbH, 5439 Bad Marienberg Verfahren und vorrichtung zum herstellen wendelfoermiger rohre
US4671096A (en) * 1985-09-23 1987-06-09 Lockheed Corporation Adjustable ball mandrel
DE4423487C2 (de) * 1994-07-05 1998-01-15 Koenig & Bauer Albert Ag Vorrichtung zum Biegen von Hohlprofilen mit nicht allseitig geschlossenen Profilquerschnitten
US5564303A (en) * 1995-06-07 1996-10-15 Buchanan; Robert W. Internal mandrel for use in pipe bending
US6244092B1 (en) 1996-11-21 2001-06-12 Grand Prix Silencers B.V. Bending mandrel
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
NL1008273C2 (nl) * 1998-02-11 1999-08-12 Wavin Bv Werkwijze, buigkern en buigkernensamenstel voor het buigen van een buis van thermoplastisch kunststofmateriaal.
JP4229766B2 (ja) * 2003-06-19 2009-02-25 株式会社オプトン 曲げ加工用マンドレル
US7404310B1 (en) * 2007-01-10 2008-07-29 Gm Global Technology Operations, Inc. Mandrel anchor for tube bending
CN100563865C (zh) * 2008-03-27 2009-12-02 二重集团（德阳）重型装备股份有限公司 组合成型模具
DE102008022402A1 (de) 2008-05-06 2009-11-19 Ps Werkzeuge Vorrichtungen Metallbearbeitungs Gmbh Stützkern für die Herstellung von Hohlprofilen
DE102009050800A1 (de) * 2009-10-27 2011-04-28 Volkswagen Ag Biegedorn und Biegevorrichtung zum Einbringen von Rohrbögen mittels eines Biegedorns
DE102013013762B4 (de) 2013-08-19 2015-06-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Formdorn mit einem biegeelastisch verformbaren Druckmantel sowie Umformvorrichtung mit einem solchen Formdorn
CN104790238B (zh) * 2015-03-25 2017-04-12 浙江工业大学之江学院 一种弯管用弹性芯棒的弹性体设计方法
US9937545B1 (en) 2017-05-16 2018-04-10 Kooima Company Mandrel support device for tube bending machine
RU2705969C1 (ru) * 2019-04-12 2019-11-12 Общество С Ограниченной Ответственностью "Группа Полипластик" Приспособление для гибки полимерной трубы

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US693186A (en) * 1901-04-12 1902-02-11 Stirling Company Mandrel for shaping hollow or tubular wrought-metal articles.
US1654697A (en) * 1925-10-17 1928-01-03 Adolph Mueller Pipe-bending mandrel
US1856597A (en) * 1931-06-09 1932-05-03 Arthur E Stjarnstrom Flexible mandrel
US2057359A (en) * 1933-09-06 1936-10-13 American Metal Prod Method and apparatus of bending tubing
US2044322A (en) * 1934-06-16 1936-06-16 Murray Corp Method and means for bending tubing
DE867941C (de) * 1950-07-19 1953-02-23 Jakob Vetterli Vorrichtung zum Biegen von Rohren, insbesondere Bleirohren
IT993825B (it) * 1973-08-30 1975-09-30 Ind Meccanica Brevetti Pedrazz Mandrino articolato per curvare tubi
US4086803A (en) * 1976-06-25 1978-05-02 Crc-Crose International, Inc. Pipe bending mandrel
US4059036A (en) * 1976-07-06 1977-11-22 T.I. (Group Services) Limited Shearing hollow stock
FR2399292A1 (fr) * 1977-08-02 1979-03-02 Robles Norbert Mandrin de cintrage

Also Published As

Publication number Publication date
DE3000170A1 (de) 1981-07-09
FR2473919B1 (fr) 1985-11-15
GB2069896A (en) 1981-09-03
DE3000170C2 (de) 1984-09-06
US4378689A (en) 1983-04-05
GB2069896B (en) 1983-06-02
FR2473919A1 (fr) 1981-07-24
JPS6328693B2 (ja) 1988-06-09

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