DE69710640D1 - Verfahren zur Erhöhung der Wanddicke von Metallrohren - Google Patents
Verfahren zur Erhöhung der Wanddicke von MetallrohrenInfo
- Publication number
- DE69710640D1 DE69710640D1 DE69710640T DE69710640T DE69710640D1 DE 69710640 D1 DE69710640 D1 DE 69710640D1 DE 69710640 T DE69710640 T DE 69710640T DE 69710640 T DE69710640 T DE 69710640T DE 69710640 D1 DE69710640 D1 DE 69710640D1
- Authority
- DE
- Germany
- Prior art keywords
- increasing
- wall thickness
- metal pipes
- pipes
- metal
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
-
- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/16—Making tubes with varying diameter in longitudinal direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/12—Shaping end portions of hollow articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8145316A JP2776796B2 (ja) | 1996-06-07 | 1996-06-07 | 金属管の増肉加工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69710640D1 true DE69710640D1 (de) | 2002-04-04 |
DE69710640T2 DE69710640T2 (de) | 2002-08-08 |
Family
ID=15382348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997610640 Expired - Fee Related DE69710640T2 (de) | 1996-06-07 | 1997-06-06 | Verfahren zur Erhöhung der Wanddicke von Metallrohren |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0811444B1 (de) |
JP (1) | JP2776796B2 (de) |
DE (1) | DE69710640T2 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1567293B1 (de) * | 2002-11-27 | 2006-08-16 | KOMET GROUP Holding GmbH | Verfahren zur herstellung von bohrwerkzeugen |
NL1025750C2 (nl) * | 2004-03-17 | 2005-09-20 | Machf Van De Weert Helmond B V | Werkwijze en inrichting voor het vergroten van de wanddikte van het uiteinde van een dunwandige buis. |
WO2005102555A1 (en) * | 2004-04-20 | 2005-11-03 | Tube Investments Of India Limited | A method of producing thin walled metal tubes with thickened ends |
CN102563220A (zh) * | 2010-12-16 | 2012-07-11 | 株式会社新三兴钢管 | 配管用螺纹钢管 |
CN102705043B (zh) * | 2012-06-05 | 2014-12-10 | 徐州重型机械有限公司 | 一种起重机及其排气系统的消声器 |
CN103084842B (zh) * | 2013-01-22 | 2015-03-25 | 黄伟明 | 一种金属管材两端成型机构 |
KR101563708B1 (ko) * | 2014-09-30 | 2015-10-27 | 우신공업 주식회사 | 자동차용 필터파이프의 제조방법 및 이에 의해 제조된 자동차용 필터파이프 |
JP6492727B2 (ja) * | 2015-02-13 | 2019-04-03 | 新日鐵住金株式会社 | 増肉鋼管の製造方法 |
CN104741466B (zh) * | 2015-04-07 | 2017-04-12 | 江苏仓环铜业股份有限公司 | 一种金属管喇叭口的加工设备 |
WO2017039366A1 (ko) * | 2015-09-02 | 2017-03-09 | 정구왕 | 파이프 확관 펀치 |
CN108712935B (zh) * | 2016-03-11 | 2020-12-15 | 日本制铁株式会社 | 差厚钢管的制造方法 |
CN107790551B (zh) * | 2017-12-18 | 2019-08-02 | 浙江摩多巴克斯科技股份有限公司 | 一种管件压扁扩口工具 |
CN108453204A (zh) * | 2017-12-30 | 2018-08-28 | 天津市维丹科技有限责任公司 | 一种用于金属管材端部加粗的辅助装置 |
CN113070438A (zh) * | 2021-04-06 | 2021-07-06 | 江阴雷特斯钻具有限公司 | 双臂钻杆内钻杆的加厚模具及加厚方法 |
CN114515811B (zh) * | 2022-03-18 | 2024-01-26 | 湘潭大学 | 一种不等厚中空零件板锻造成形方法及模具 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1472178A (fr) * | 1966-01-22 | 1967-03-10 | Alsacienne Constr Meca | Procédé et dispositif pour la formation d'un renflement intérieur dans une extrémité d'un tube cylindrique de métal, et tubes obtenus |
DE2812803C2 (de) * | 1978-03-23 | 1982-11-18 | Laeis-Werke Ag, 5500 Trier | Vorrichtung zum Anstauchen von Rohrenden, insbesondere für Bohrgestängerohre mit Vorschweißverbindern |
JPS63149038A (ja) * | 1986-12-15 | 1988-06-21 | Nippon Steel Corp | 外アツプセツト・プレスによる鋼管端部の加工方法 |
JP2719495B2 (ja) * | 1994-02-03 | 1998-02-25 | 株式会社三五 | 金属管の増肉加工方法 |
-
1996
- 1996-06-07 JP JP8145316A patent/JP2776796B2/ja not_active Expired - Fee Related
-
1997
- 1997-06-06 DE DE1997610640 patent/DE69710640T2/de not_active Expired - Fee Related
- 1997-06-06 EP EP19970109237 patent/EP0811444B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69710640T2 (de) | 2002-08-08 |
EP0811444B1 (de) | 2002-02-27 |
JP2776796B2 (ja) | 1998-07-16 |
EP0811444A1 (de) | 1997-12-10 |
JPH09327723A (ja) | 1997-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |