发明名称 |
Orifice test device for protective mask testers |
摘要 |
An orifice test calibration device tests the functionality of protective mask testers. The orifice test calibration device has a semi-rigid tubular channel with one end for sealing the flow outlet port of the protective mask tester and a second end for sealing the vacuum inlet port of the protective mask tester. The device also includes a sealable opening within the tubular channel and an insertable orifice plug having a set diameter for insertion into the sealable opening in order to calibrate the protective mask tester.
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申请公布号 |
US7743647(B1) |
申请公布日期 |
2010.06.29 |
申请号 |
US20080195814 |
申请日期 |
2008.08.21 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY |
发明人 |
ISRAEL JOSHUA D.;PIEPENBURG COREY L.;GOODMAN MALCOLM D. |
分类号 |
F16L55/10;G01M3/08 |
主分类号 |
F16L55/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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