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An economical vent coverInexpensive formed-plastic vent cover has been developed that allows controlled purge of vent systems and also provides blowout protection. Cover can also be used in relief mode to allow normal system relief flows without disengaging from vent system. Cover consists of two parts made of plastics with varying densities to fit media used and desired pressures.
Document ID
19720000347
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Lee, A. C. (McDonnell-Douglas Astron. Co.)
Mcdonald, M. D. (McDonnell-Douglas Astron. Co.)
Date Acquired
August 6, 2013
Publication Date
July 1, 1972
Subject Category
Machinery
Report/Patent Number
MFS-20692
Report Number: MFS-20692
Accession Number
72B10348
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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