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Feedthrough Seal For High-Pressure VesselCombination of ceramic and plastic withstands many depressurizations. Stack of washers surrounds leadthrough electrode. Under pressure washers expand to fill leadthrough hole in high-pressure vessel. Seal thus formed withstands 20 or more pressurization/depressurization cycles. Seal composed of neoprene, polytetrafluoroethylene, nylon and high-purity, high-density commercial alumina ceramic.
Document ID
19830000502
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Williams, R. (Lockheed Engineering and Management Services Co., Inc.)
Mullins, O. (Lockheed Engineering and Management Services Co., Inc.)
Smith, D. (Lockheed Engineering and Management Services Co., Inc.)
Teasley, G.
Date Acquired
August 11, 2013
Publication Date
November 1, 1984
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 2
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
MSC-20625
Accession Number
83B10502
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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