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sealing a loosely fitting valve assemblyDouble-ring seal avoids expense of remachining or redesigning valve parts. Mating fittings on valve sealed by pair of rings - one O-ring and backup ring. Backup ring fills relatively large gap between parts. Prevents softer O-ring from being pushed into and through gap.
Document ID
19860000460
Document Type
Other - NASA Tech Brief
Authors
Goff, L.
(Rockwell International Corp.)
Tellier, G.
(Rockwell International Corp.)
Date Acquired
August 12, 2013
Publication Date
September 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 5
ISSN: 0145-319X
Subject Category
MECHANICS
Report/Patent Number
MFS-29051
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.