ATE239562T1 - Vorrichtung und verfahren zur herstellung eines rohres mit vergrösserten wanddicken an seinen enden - Google Patents

Vorrichtung und verfahren zur herstellung eines rohres mit vergrösserten wanddicken an seinen enden

Info

Publication number
ATE239562T1
ATE239562T1 AT99954830T AT99954830T ATE239562T1 AT E239562 T1 ATE239562 T1 AT E239562T1 AT 99954830 T AT99954830 T AT 99954830T AT 99954830 T AT99954830 T AT 99954830T AT E239562 T1 ATE239562 T1 AT E239562T1
Authority
AT
Austria
Prior art keywords
bore
pipe
mandrel
billet
metal
Prior art date
Application number
AT99954830T
Other languages
English (en)
Inventor
Donald P Sahlem
Original Assignee
Wyman Gordon Co
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 Wyman Gordon Co filed Critical Wyman Gordon Co
Priority claimed from PCT/US1999/023618 external-priority patent/WO2000021696A1/en
Application granted granted Critical
Publication of ATE239562T1 publication Critical patent/ATE239562T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00—Profiling tools for metal extruding
    • B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B21C23/085—Making tubes
AT99954830T 1998-10-09 1999-10-08 Vorrichtung und verfahren zur herstellung eines rohres mit vergrösserten wanddicken an seinen enden ATE239562T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10379898P 1998-10-09 1998-10-09
PCT/US1999/023618 WO2000021696A1 (en) 1998-10-09 1999-10-08 Apparatus and method for forming a pipe with increased wall-thickness at its ends

Publications (1)

Publication Number Publication Date
ATE239562T1 true ATE239562T1 (de) 2003-05-15

Family

ID=22297083

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99954830T ATE239562T1 (de) 1998-10-09 1999-10-08 Vorrichtung und verfahren zur herstellung eines rohres mit vergrösserten wanddicken an seinen enden

Country Status (12)

Country Link
EP (1) EP1121209B1 (de)
JP (1) JP2002527241A (de)
CN (1) CN1326387A (de)
AT (1) ATE239562T1 (de)
AU (1) AU1108600A (de)
BR (1) BR9914346A (de)
CA (1) CA2346705A1 (de)
CZ (1) CZ20011246A3 (de)
DE (1) DE69907711D1 (de)
MX (1) MXPA01003613A (de)
NO (1) NO20011682L (de)
OA (1) OA11911A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100443208C (zh) * 2006-11-10 2008-12-17 钱宗富 一种将短管挤压延伸成长管的冷挤压装置
DE102009052482A1 (de) 2009-02-11 2010-08-19 Sms Meer Gmbh Verfahren und Vorrichtung zur Herstellung von rohrförmigen Werkstücken aus einen vorgelochten Hohlblock
JP5563874B2 (ja) * 2010-04-15 2014-07-30 前田建設工業株式会社 金属管注入材取出し機
CN103736768B (zh) * 2013-12-31 2015-09-23 西南石油大学 内径不变两端壁厚增大管材的挤压装置及挤压方法
CN104384220B (zh) * 2014-12-10 2017-01-04 常州市腾田液压机械有限公司 管材热缩或热扩成型机组
CN105149372B (zh) * 2015-09-30 2017-06-16 核兴航材（天津）科技有限公司 一种非对称无缝空心型材制造工艺
CN109346596B (zh) * 2018-09-11 2020-06-12 中国科学院上海硅酸盐研究所 一种环形热电器件的制备装置及其制备环形热电器件的方法
CN110227730B (zh) * 2019-06-13 2020-11-17 北京科技大学 一种生产变断面无缝管的挤压装置与方法
CN113357220B (zh) * 2021-06-01 2023-07-14 内蒙古北方重工业集团有限公司 垂直挤压机芯棒油缸及其活塞杆防护装置

Also Published As

Publication number Publication date
AU1108600A (en) 2000-05-01
DE69907711D1 (de) 2003-06-12
NO20011682L (no) 2001-05-16
CZ20011246A3 (cs) 2002-02-13
BR9914346A (pt) 2002-01-15
OA11911A (en) 2006-04-10
MXPA01003613A (es) 2002-09-18
EP1121209B1 (de) 2003-05-07
CA2346705A1 (en) 2000-04-20
NO20011682D0 (no) 2001-04-04
EP1121209A1 (de) 2001-08-08
JP2002527241A (ja) 2002-08-27
CN1326387A (zh) 2001-12-12

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties