发明授权
- 专利标题： Leak detecting apparatus
- 专利标题（中）： 泄漏检测装置
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申请号： US750067申请日： 1976-12-13
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公开(公告)号： US4104905A公开(公告)日： 1978-08-08
- 发明人: Richard E. Zachary
- 申请人： Richard E. Zachary
- 申请人地址： MI Midland
- 专利权人： The Dow Chemical Company
- 当前专利权人： The Dow Chemical Company
- 当前专利权人地址： MI Midland
- 主分类号： G01M3/06
- IPC分类号： G01M3/06
摘要：
A leak detecting apparatus comprises an opened-bottom box having a peripheral seal and a transparent top. Air is removed from the box by means of an ejector to provide a vacuum to inspect membrane for leaks and water pumped into the box to permit easy movement over membrane being tested.
公开/授权文献
- US5907006A Compositions for the coating of substrates of matt appearance 公开/授权日：1999-05-25
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