Maryland's Defense Patent Database

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Orifice test device for protective mask testers

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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.

Inventors: 
Israel, Joshua D.; Piepenburg, Corey L.; Goodman, Malcolm D.
Patent Number: 
Technical domain: 
Biotechnology and Healthcare
FIle Date: 
2008-08-21
Grant Date: 
2010-06-29
Grant time: 
677 days
Grant time percentile rank: 
12
Claim count percentile rank: 
3
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US ARMY