CA2346705A1 - Apparatus and method for forming a pipe with increased wall-thickness at its ends - Google Patents

Apparatus and method for forming a pipe with increased wall-thickness at its ends Download PDF

Info

Publication number
CA2346705A1
CA2346705A1 CA002346705A CA2346705A CA2346705A1 CA 2346705 A1 CA2346705 A1 CA 2346705A1 CA 002346705 A CA002346705 A CA 002346705A CA 2346705 A CA2346705 A CA 2346705A CA 2346705 A1 CA2346705 A1 CA 2346705A1
Authority
CA
Canada
Prior art keywords
bore
diameter
pipe
rearward
mandrel
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.)
Abandoned
Application number
CA002346705A
Other languages
English (en)
French (fr)
Inventor
Donald P. Sahlem
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.)
Wyman Gordon Co
Original Assignee
Individual
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 Individual filed Critical Individual
Priority claimed from PCT/US1999/023618 external-priority patent/WO2000021696A1/en
Publication of CA2346705A1 publication Critical patent/CA2346705A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS 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, rods or tubes
    • B21C23/085—Making tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Forging (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Metal Extraction Processes (AREA)
CA002346705A 1998-10-09 1999-10-08 Apparatus and method for forming a pipe with increased wall-thickness at its ends Abandoned CA2346705A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10379898P 1998-10-09 1998-10-09
US60/103,798 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
CA2346705A1 true CA2346705A1 (en) 2000-04-20

Family

ID=22297083

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002346705A Abandoned CA2346705A1 (en) 1998-10-09 1999-10-08 Apparatus and method for forming a pipe with increased wall-thickness at its ends

Country Status (12)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149372A (zh) * 2015-09-30 2015-12-16 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

Families Citing this family (8)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105149372A (zh) * 2015-09-30 2015-12-16 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

Also Published As

Publication number Publication date
NO20011682L (no) 2001-05-16
NO20011682D0 (no) 2001-04-04
JP2002527241A (ja) 2002-08-27
CZ20011246A3 (cs) 2002-02-13
OA11911A (en) 2006-04-10
BR9914346A (pt) 2002-01-15
CN1326387A (zh) 2001-12-12
DE69907711D1 (de) 2003-06-12
AU1108600A (en) 2000-05-01
ATE239562T1 (de) 2003-05-15
EP1121209A1 (en) 2001-08-08
EP1121209B1 (en) 2003-05-07
MXPA01003613A (es) 2002-09-18

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued