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 PDFInfo
- 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
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)
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)
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 |
-
1999
- 1999-10-08 CN CN99813407.4A patent/CN1326387A/zh active Pending
- 1999-10-08 OA OA00100091A patent/OA11911A/en unknown
- 1999-10-08 AU AU11086/00A patent/AU1108600A/en not_active Abandoned
- 1999-10-08 MX MXPA01003613A patent/MXPA01003613A/es unknown
- 1999-10-08 DE DE69907711T patent/DE69907711D1/de not_active Expired - Lifetime
- 1999-10-08 CA CA002346705A patent/CA2346705A1/en not_active Abandoned
- 1999-10-08 BR BR9914346-1A patent/BR9914346A/pt not_active IP Right Cessation
- 1999-10-08 AT AT99954830T patent/ATE239562T1/de not_active IP Right Cessation
- 1999-10-08 EP EP99954830A patent/EP1121209B1/en not_active Expired - Lifetime
- 1999-10-08 JP JP2000575648A patent/JP2002527241A/ja active Pending
- 1999-10-08 CZ CZ20011246A patent/CZ20011246A3/cs unknown
-
2001
- 2001-04-04 NO NO20011682A patent/NO20011682L/no not_active Application Discontinuation
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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