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Squeezing Salvages Oversize SealsThermal and mechanical properties of seal material used to advantage. Simple sizing tool compresses polychlorotrifluoroethylene seal to smaller diameter. Polymer seal held by aluminum rings, then compressed by differential thermal expansion between seal and rings. Inner diameter of seal reduced by small amount sufficient to enable remachining to specified size.
Document ID
19900000246
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Stewart, Gerald M. (Rockwell International Corp.)
Date Acquired
August 14, 2013
Publication Date
May 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 5
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-29527
ISSN: 0145-319X
Report Number: MFS-29527
Accession Number
90B10246
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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