BRPI0800002A2 - mandril de mÁquina de dobrar tubos - Google Patents

mandril de mÁquina de dobrar tubos

Info

Publication number
BRPI0800002A2
BRPI0800002A2 BRPI0800002-6A BRPI0800002A BRPI0800002A2 BR PI0800002 A2 BRPI0800002 A2 BR PI0800002A2 BR PI0800002 A BRPI0800002 A BR PI0800002A BR PI0800002 A2 BRPI0800002 A2 BR PI0800002A2
Authority
BR
Brazil
Prior art keywords
tube
bent
rotation
radius
center
Prior art date
Application number
BRPI0800002-6A
Other languages
English (en)
Inventor
Alessandro Caporusso
Original Assignee
Cml Int Spa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39472444&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0800002(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cml Int Spa filed Critical Cml Int Spa
Publication of BRPI0800002A2 publication Critical patent/BRPI0800002A2/pt

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
    • B21D9/03—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length and built-up from loose elements, e.g. series of balls
    • 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
    • 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
    • B21D9/05—Bending tubes using mandrels or the like co-operating with forming members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

MANDRIL DE MÁQUINA DE DOBRAR TUBOS. É descrito um mandril de máquina de dobrar tubos que compreende um elemeto rígido (5), que pode ser inserido em um tubo (T) a ser dobrado que tem uma dimensão interna Di e que pode inclinar com ele em uma operação de dobramento com um raio médio pré-fixado Rm medido entre o centro de rotação (O) da matriz de dobramento e o eixo longitudinal (1) do tubo (T) a ser dobrado. O elemento rígido (5) tem um perfil lateral oroximnal em relação ao centro de rotação (O) compreendendo pelo menos uma parte intermediária câncava gerada por uma seção de circunferência (50) de raio Rci, e um perfil lateral distal com relação ao mesmo centro de rotação (O) compreendendo pelo menos duas partes de extremidade convexas divididas, geradas pelas respectivas seções de circunferências (51, 52) de raio Rce, onde Rci = Rm - (Di/2) + r, e Rce = Rm + (Di/2) - t, t sendo um termo que varia de acordo com a precisão das características dimensionais do tubo a ser dobrado e da curva a ser obtida.
BRPI0800002-6A 2007-01-11 2008-01-11 mandril de mÁquina de dobrar tubos BRPI0800002A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000015A ITRM20070015A1 (it) 2007-01-11 2007-01-11 Anima per macchine curvatubi

Publications (1)

Publication Number Publication Date
BRPI0800002A2 true BRPI0800002A2 (pt) 2008-11-18

Family

ID=39472444

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0800002-6A BRPI0800002A2 (pt) 2007-01-11 2008-01-11 mandril de mÁquina de dobrar tubos

Country Status (13)

Country Link
US (1) US7578160B2 (pt)
EP (1) EP1946860B1 (pt)
JP (1) JP2008168351A (pt)
KR (1) KR20080066599A (pt)
CN (1) CN101219450B (pt)
AU (1) AU2008200084A1 (pt)
BR (1) BRPI0800002A2 (pt)
CA (1) CA2616939C (pt)
ES (1) ES2399067T3 (pt)
IT (1) ITRM20070015A1 (pt)
MX (1) MX2008000545A (pt)
RU (1) RU2371270C2 (pt)
TW (1) TWI317308B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103691783A (zh) * 2013-11-29 2014-04-02 山西佳诚液压有限公司 大直径输油管冷弯设备
JP2015131308A (ja) * 2014-01-10 2015-07-23 トヨタ自動車株式会社 管曲げ加工用マンドレル装置および管の曲げ加工方法
US20150198351A1 (en) * 2014-01-16 2015-07-16 Beijing Jingumchang Automobile Hitech Co., Ltd. Multi-shaft bending machine for bending rectangular duct body
US9186715B2 (en) * 2014-01-16 2015-11-17 Beijing Jingumchang Automobile Hitech Co., Ltd. Mandrel for bending rectangular duct body
KR200484607Y1 (ko) * 2016-03-29 2017-09-28 정용석 파이프 자동밴딩시스템용 맨드릴
MX2019009696A (es) * 2017-02-21 2019-10-07 Nippon Steel Corp Mandril, tubo doblado y metodo y aparato para la produccion del tubo doblado.
CN109940067A (zh) * 2019-03-20 2019-06-28 常州市盛士达汽车空调有限公司 管件折弯处塌陷部的整形机构
CN114309127B (zh) * 2020-09-29 2023-09-26 郑州万达重工股份有限公司 内壁堆焊小弯曲半径弯管以及其成型方法
CN114682663B (zh) * 2022-04-06 2023-08-25 江苏耀坤液压股份有限公司 一种液压油管弯曲部型腔曲率近理论圆的弯折组件
CN117259521B (zh) * 2023-11-14 2024-02-06 成都鑫晨航空科技有限公司 一种用于航空管道的弯管装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444907A (en) * 1945-05-03 1948-07-13 Richard F Attridge Tube-bending mandrel
DE1090933B (de) * 1958-04-25 1960-10-13 Banning Ag J Biegedorn mit biegsamem Ende fuer Rohre und andere Hohlprofile
US3490259A (en) * 1967-09-13 1970-01-20 Teledyne Inc Tube bending mandrel
JPS5149157A (en) * 1974-10-28 1976-04-28 Toyota Motor Co Ltd Nijukanno mage kakoo okonauhoho oyobi sochi
US4123930A (en) * 1977-03-29 1978-11-07 Teledyne Industries, Inc. Mandrel for bending tubes
US4671096A (en) * 1985-09-23 1987-06-09 Lockheed Corporation Adjustable ball mandrel
JP3448390B2 (ja) * 1995-04-24 2003-09-22 アイシン精機株式会社 非円形断面の曲がり管の製造方法及び製造装置
JP3632802B2 (ja) 1996-10-16 2005-03-23 本田技研工業株式会社 複合加工装置
JPH11179436A (ja) * 1997-12-19 1999-07-06 Nippon Light Metal Co Ltd 三次元曲げ加工方法
JP4318552B2 (ja) * 2004-01-13 2009-08-26 株式会社山本水圧工業所 パイプベンダー
JP2005205482A (ja) 2004-01-26 2005-08-04 Calsonic Kansei Corp パイプ曲げ加工用芯金
JP4524001B2 (ja) * 2004-09-10 2010-08-11 三桜工業株式会社 曲げ加工装置
DE102004048640A1 (de) * 2004-10-04 2006-04-06 Otmar Fahrion Kette
JP2006224185A (ja) * 2005-02-16 2006-08-31 Sango Co Ltd 螺旋溝付曲管の製造方法

Also Published As

Publication number Publication date
TW200841956A (en) 2008-11-01
ES2399067T3 (es) 2013-03-25
US20080168820A1 (en) 2008-07-17
US7578160B2 (en) 2009-08-25
MX2008000545A (es) 2009-02-23
RU2008101378A (ru) 2009-07-20
CA2616939C (en) 2011-03-22
CA2616939A1 (en) 2008-07-11
ITRM20070015A1 (it) 2008-07-12
JP2008168351A (ja) 2008-07-24
EP1946860B1 (en) 2012-11-07
CN101219450B (zh) 2011-06-01
TWI317308B (en) 2009-11-21
KR20080066599A (ko) 2008-07-16
AU2008200084A1 (en) 2008-07-31
CN101219450A (zh) 2008-07-16
RU2371270C2 (ru) 2009-10-27
EP1946860A1 (en) 2008-07-23

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Legal Events

Date Code Title Description
B03A Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette]
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements