OA11911A - 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
OA11911A
OA11911A OA00100091A OA00100091A OA11911A OA 11911 A OA11911 A OA 11911A OA 00100091 A OA00100091 A OA 00100091A OA 00100091 A OA00100091 A OA 00100091A OA 11911 A OA11911 A OA 11911A
Authority
OA
OAPI
Prior art keywords
bore
diameter
pipe
rearward
mandrel
Prior art date
Application number
OA00100091A
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
Publication of OA11911A publication Critical patent/OA11911A/en

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

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)
OA00100091A 1998-10-09 1999-10-08 Apparatus and method for forming a pipe with increased wall-thickness at its ends. OA11911A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10379898P 1998-10-09 1998-10-09

Publications (1)

Publication Number Publication Date
OA11911A true OA11911A (en) 2006-04-10

Family

ID=22297083

Family Applications (1)

Application Number Title Priority Date Filing Date
OA00100091A OA11911A (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 (zh)
JP (1) JP2002527241A (zh)
CN (1) CN1326387A (zh)
AT (1) ATE239562T1 (zh)
AU (1) AU1108600A (zh)
BR (1) BR9914346A (zh)
CA (1) CA2346705A1 (zh)
CZ (1) CZ20011246A3 (zh)
DE (1) DE69907711D1 (zh)
MX (1) MXPA01003613A (zh)
NO (1) NO20011682L (zh)
OA (1) OA11911A (zh)

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
EP1121209B1 (en) 2003-05-07
MXPA01003613A (es) 2002-09-18
DE69907711D1 (de) 2003-06-12
CN1326387A (zh) 2001-12-12
ATE239562T1 (de) 2003-05-15
AU1108600A (en) 2000-05-01
CZ20011246A3 (cs) 2002-02-13
EP1121209A1 (en) 2001-08-08
BR9914346A (pt) 2002-01-15
NO20011682L (no) 2001-05-16
CA2346705A1 (en) 2000-04-20
JP2002527241A (ja) 2002-08-27
NO20011682D0 (no) 2001-04-04

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