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Strong, easy-to-mold, spiral buttress threadButtress thread with steep taper connects two molded plastic cylinders without changing wall thickness or sacrificing longitudinal strength at the juncture. Technique lends itself to conventional molding methods.
Document ID
19710000334
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Heier, W. C.
Date Acquired
August 6, 2013
Publication Date
September 1, 1971
Subject Category
Fabrication Technology
Report/Patent Number
LAR-10755
Accession Number
71B10336
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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