发明授权
- 专利标题： Gas passage shifting device
- 专利标题（中）： 气体通道换档装置
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申请号： US208389申请日： 1994-03-10
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公开(公告)号： US5396813A公开(公告)日： 1995-03-14
- 发明人: Minoru Takeuchi , Mitsunori Shimada
- 申请人： Minoru Takeuchi , Mitsunori Shimada
- 申请人地址： JPX Tokyo
- 专利权人： Nikkiso Company Limited
- 当前专利权人： Nikkiso Company Limited
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX1-225859 19890831
- 主分类号： G01N15/08
- IPC分类号： G01N15/08 ; G01N7/04 ; F16J15/46
摘要：
A novel gas passage shifting device used primarily for a surface area measuring apparatus for particulate materials is disclosed. The device is characterized by having a base member provided with a recess which receives a tubular body so as to gas-tightly connect it to the gas passage by a simple operation.
公开/授权文献
- US5967038A Form cylinder with additional toothed belt drive 公开/授权日：1999-10-19
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