发明授权
US06843096B2 Process and device for producing press fittings from steel, in particular special steel
有权
用于生产钢,特别是特种钢的压配件的工艺和装置
- 专利标题: Process and device for producing press fittings from steel, in particular special steel
- 专利标题(中): 用于生产钢,特别是特种钢的压配件的工艺和装置
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申请号: US10311810申请日: 2001-05-16
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公开(公告)号: US06843096B2公开(公告)日: 2005-01-18
- 发明人: Walter Viegener , Jürgen Nägeler , Walter Bauer
- 申请人: Walter Viegener , Jürgen Nägeler , Walter Bauer
- 申请人地址: DE Offenburg
- 专利权人: Witzig & Frank GmbH
- 当前专利权人: Witzig & Frank GmbH
- 当前专利权人地址: DE Offenburg
- 代理机构: Cohen, Pontani, Lieberman & Pavane
- 优先权: DE10031989 20000630
- 国际申请: PCTEP01/05547 WO 20010516
- 国际公布: WO0202255 WO 20020110
- 主分类号: F16L17/02
- IPC分类号: F16L17/02 ; B21C37/28 ; B21D17/02 ; B21D17/04 ; B21D41/02 ; B21D51/16
摘要:
Special steel press fittings are produced in two process steps, which can be performed simultaneously, or also one after the other. The cut to size blank is widened in a die is upset in order to form the desired pipe connection areas.
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