Orifice test device for protective mask testers
AssigneeThe United States of America as represented by the Secretary of the Army
InventorsJoshua D. Israel, Corey L. Piepenburg, Malcolm D. Goodman
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Abstract
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.
Claims11
An orifice test calibration device for testing the functionality of a protective mask tester, comprising:
- a semi-rigid tubular channel having a first end effective for sealing a mask head piece flow port and a second end effective for sealing a mask head piece vacuum port of said protective mask tester;
- a sealable opening within the tubular channel;
- an insertable orifice plug for insertion into the sealable opening, wherein the orifice plug has a set opening diameter;
- and
- wherein said first end is sealably inserted into the flow port of said protective mask tester, and said second end is sealably inserted into the vacuum port of said protective mask tester.
Dependencies are inferred from the claim text.