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System Applies Polymer Powder To Filament TowPolymer powder applied uniformly and in continuous manner. Powder-coating system applies dry polymer powder to continuous fiber tow. Unique filament-spreading technique, combined with precise control of tension on fibers in system, ensures uniform application of polymer powder to web of spread filaments. Fiber tows impregnated with dry polymer powders ("towpregs") produced for preform-weaving and composite-material-molding applications. System and process valuable to prepreg industry, for production of flexible filament-windable tows and high-temperature polymer prepregs.
Document ID
19930000416
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Baucom, Robert M.
(NASA Langley Research Center, Hampton, VA.)
Snoha, John J.
(NASA Langley Research Center, Hampton, VA.)
Marchello, Joseph M.
(Old Dominion Univ.)
Date Acquired
August 16, 2013
Publication Date
July 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 7
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
LAR-14231
Accession Number
93B10416
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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