发明授权
EP0117849B1 Convex type bottom with a bearing rim for bottles for industrial gases obtained by means of hot forging from a steel billet and fixture for forming said bottom 失效
具有用于工业气体的轴承的凸起型底部,其由来自钢坯的热锻造和用于形成底部底部的固定件

  • 专利标题: Convex type bottom with a bearing rim for bottles for industrial gases obtained by means of hot forging from a steel billet and fixture for forming said bottom
  • 专利标题(中): 具有用于工业气体的轴承的凸起型底部,其由来自钢坯的热锻造和用于形成底部底部的固定件
  • 申请号: EP84830022.4
    申请日: 1984-01-30
  • 公开(公告)号: EP0117849B1
    公开(公告)日: 1989-11-02
  • 发明人: Pilotto, ItaloBozzetto, Gerardo
  • 申请人: SIMMEL DIFESA S.R.L.
  • 申请人地址: Borgo Padova 2 I-31033 Castelfranco Veneto Treviso IT
  • 专利权人: SIMMEL DIFESA S.R.L.
  • 当前专利权人: SIMMEL DIFESA S.R.L.
  • 当前专利权人地址: Borgo Padova 2 I-31033 Castelfranco Veneto Treviso IT
  • 代理机构: Forattini, Amelia
  • 优先权: IT1976783 19830225
  • 主分类号: F17C1/00
  • IPC分类号: F17C1/00 F17C13/08 B21K21/14
Convex type bottom with a bearing rim for bottles for industrial gases obtained by means of hot forging from a steel billet and fixture for forming said bottom
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