NASA NTRS · 19710000334
Strong, easy-to-mold, spiral buttress thread
Abstract
Buttress 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.
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Heier, W. C.. 1971-09-01. Strong, easy-to-mold, spiral buttress thread. https://ntrs.nasa.gov/citations/19710000334
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