BRPI0416941A - método de abrir uma bolsa na extremidade de um tubo e aparelho para realização do mesmo - Google Patents

método de abrir uma bolsa na extremidade de um tubo e aparelho para realização do mesmo

Info

Publication number
BRPI0416941A
BRPI0416941A BRPI0416941-7A BRPI0416941A BRPI0416941A BR PI0416941 A BRPI0416941 A BR PI0416941A BR PI0416941 A BRPI0416941 A BR PI0416941A BR PI0416941 A BRPI0416941 A BR PI0416941A
Authority
BR
Brazil
Prior art keywords
pipe end
pipe
expanded
pouch
tube
Prior art date
Application number
BRPI0416941-7A
Other languages
English (en)
Inventor
Jun Walter Viegner
Walter Bauer
Original Assignee
Witzig & Frank Gmbh
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 Witzig & Frank Gmbh filed Critical Witzig & Frank Gmbh
Publication of BRPI0416941A publication Critical patent/BRPI0416941A/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
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Pipe Accessories (AREA)

Abstract

"MéTODO DE ABRIR UMA BOLSA NA EXTREMIDADE DE UM TUBO E APARELHO PARA REALIZAçãO DO MESMO". A presente invenção refere-se a um método para produzir um acoplamento sobre um tubo (1), de preferência constituído de cobre ou aço, ou de ligas de Cu, Ni, Fe, por uma expansão de preferência graduada ou em um único estágio da extremidade do tubo para criar uma diferença maior em diâmetro, uma ferramenta de expansão (2) sendo introduzida axialmente no interior da extremidade do tubo. A invenção é caracterizada pelo fato de que quando e/ou uma vez que a ferramenta de expansão (2) tenha sido introduzida no interior da extremidade do tubo à região da extremidade do tubo que deve ser ou que foi expandida é completamente ou parcialmente comprimida por uma força atuando axialmente sobre a dita extremidade de tubo,com isto o diâmetro externo da extremidade do tubo que deve ser processada é delimitada por uma ou mais sapatas de perfilar (3) que circundam por completo ou parcialmente a extremidade do tubo. A invenção refere-se também a um aparelho para produzir um acoplamento sobre uma extremidade de tubo de acordo com o dito método.
BRPI0416941-7A 2003-11-28 2004-09-22 método de abrir uma bolsa na extremidade de um tubo e aparelho para realização do mesmo BRPI0416941A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10356317 2003-11-28
PCT/EP2004/010591 WO2005061148A1 (de) 2003-11-28 2004-09-22 Verfahren zur herstellung einer muffe an einem rohr und vorrichtung zur herstellung dieser muffe

Publications (1)

Publication Number Publication Date
BRPI0416941A true BRPI0416941A (pt) 2007-02-13

Family

ID=34683278

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416941-7A BRPI0416941A (pt) 2003-11-28 2004-09-22 método de abrir uma bolsa na extremidade de um tubo e aparelho para realização do mesmo

Country Status (8)

Country Link
US (1) US7770429B2 (pt)
EP (1) EP1689539B1 (pt)
JP (1) JP2007512140A (pt)
CN (1) CN100384563C (pt)
AT (1) ATE514498T1 (pt)
BR (1) BRPI0416941A (pt)
DE (1) DE102004045981A1 (pt)
WO (1) WO2005061148A1 (pt)

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WO2007132799A1 (ja) 2006-05-15 2007-11-22 Komatsu Ltd. 鋼管の拡管成形方法および鋼管の拡管成形装置
DE102007024357B3 (de) * 2007-05-24 2008-10-09 Witzig & Frank Gmbh Verfahren und Vorrichtung zur Herstellung von Rohranschlüssen
US7942456B2 (en) * 2008-01-04 2011-05-17 Cerro Flow Products, Inc. Fluid conduits with integral end fittings and associated methods of manufacture and use
US7987690B2 (en) * 2008-01-04 2011-08-02 Cerro Flow Products Llc Fluid conduits with integral end fittings and associated methods of manufacture and use
DE102009007303B4 (de) * 2009-02-03 2023-05-04 Viega Technology Gmbh & Co. Kg Fitting für dickwandige Rohre
JP5641702B2 (ja) * 2009-03-27 2014-12-17 株式会社小松製作所 鋼管の拡管成形方法および拡管成形装置
DE102009024198B4 (de) * 2009-06-08 2012-05-10 Mag Ias Gmbh Verfahren zur Herstellung von Pressfittings und Werkzeug dafür
EP2392418A1 (en) * 2010-06-01 2011-12-07 AB Alvenius Industrier A metal pipe for conducting a medium, a pipe arrangement and a method for manufacturing a metal pipe
EP2428289B1 (en) * 2010-09-08 2013-04-03 Crowntec Fitness MFG., Ltd. Method of fabricating sleeves for trampolines
CN103317013B (zh) * 2012-12-31 2015-03-04 上海奥林汽车配件有限公司 一种扩胀收口成型模具
CN103170542B (zh) * 2013-04-12 2015-09-30 柳州力通车用空调有限公司 管接头胀接的方法
CN103157725B (zh) * 2013-04-12 2015-11-04 柳州力通车用空调有限公司 管接头胀紧成型模
CN103157726B (zh) * 2013-04-12 2015-09-02 柳州力通车用空调有限公司 管接头胀接胀套模
CN104175066B (zh) * 2014-07-07 2016-05-25 西安交通大学 一种超长管头部法兰的轴向推入聚料与镦粗复合工艺
CN104492987A (zh) * 2014-10-21 2015-04-08 镇江利奥排气技术有限公司 一种高精度喇叭口管件成型工装
DE102015110998B4 (de) * 2015-07-08 2023-03-02 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verfahren zur Herstellung einer Endrohrblende oder eines Rohrelements und Vorrichtung zur Herstellung der Endrohrblende oder des Rohrelements
CN105057470B (zh) * 2015-09-18 2017-06-27 河源市北美通电子科技有限公司 一种加工治具和加工方法
CN105290243B (zh) * 2015-11-20 2017-08-08 绵阳市川金机械制造有限公司 一种转向管柱的生产工艺
CN105436333A (zh) * 2016-01-05 2016-03-30 天津市久盛通达科技有限公司 一种钢管易口机
MX2018010764A (es) 2016-03-11 2018-11-29 Nippon Steel & Sumitomo Metal Corp Metodo de fabricacion de tubo de acero de espesor variable de pared y tubo de acero de espesor variable de pared.
JP6521914B2 (ja) * 2016-07-26 2019-05-29 トヨタ自動車株式会社 製造方法、スタビライザの製造方法およびスタビライザ製造用金型
CN107214259A (zh) * 2017-07-14 2017-09-29 熊卓成 车用异形管的胀型冲头及胀型方法
CN108655290B (zh) * 2018-03-27 2020-01-10 浙江美联智能科技有限公司 包覆锭子的锭座加工成型方法
CN111299979B (zh) * 2020-03-24 2021-11-23 重庆志齐机械制造有限公司 一种冷挤压活塞管的制备工艺
CN112427559B (zh) * 2020-10-22 2022-09-16 浙江美联智能科技有限公司 包覆锭子的锭盖成型方法
CN113926870B (zh) * 2021-10-09 2024-05-14 东莞市坤元金属制品有限公司 一种自行车轴心加工方法
CN114833286B (zh) * 2022-04-27 2024-04-30 太原理工大学 一种薄壁管端法兰扩口-镦粗复合成形装置及方法

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Also Published As

Publication number Publication date
CN1886210A (zh) 2006-12-27
DE102004045981A1 (de) 2005-07-21
JP2007512140A (ja) 2007-05-17
CN100384563C (zh) 2008-04-30
EP1689539A1 (de) 2006-08-16
EP1689539B1 (de) 2011-06-29
ATE514498T1 (de) 2011-07-15
US7770429B2 (en) 2010-08-10
US20070256467A1 (en) 2007-11-08
WO2005061148A1 (de) 2005-07-07

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.