Title:
Flexible Multiply Towpreg

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dc.contributor.patentcreator Muzzy, John D.
dc.contributor.patentcreator Varughese, Babu
dc.date.accessioned 2017-05-12T14:26:50Z
dc.date.available 2017-05-12T14:26:50Z
dc.date.filed 5/15/1991
dc.date.issued 12/15/1992
dc.description.abstract This invention relates to an improved flexible towpreg and a method of production therefor. The improved flexible towpreg comprises a plurality of towpreg plies which comprise reinforcing filaments and matrix forming material; the reinforcing filaments being substantially wetout by the matrix forming material such that the towpreg plies are substantially void-free composite articles, and the towpreg plies having an average thickness less than about 100 microns. The method of production for the improved flexible towpreg comprises the steps of spreading the reinforcing filaments to expose individually substantially all of the reinforcing filaments; coating the reinforcing filaments with the matrix forming material in a manner causing interfacial adhesion of the matrix forming material to the reinforcing filaments; forming the towpreg plies by heating the matrix forming material contacting the reinforcing filaments until the matrix forming material liquifies and coats the reinforcing filaments; and cooling the towpreg plies in a manner such that substantial cohesion between neighboring towpreg plies is prevented until the matrix forming material solidifies.
dc.description.assignee Georgia Tech Research Corporation
dc.identifier.cpc B29C70/20
dc.identifier.cpc B29C70/504
dc.identifier.cpc C04B41/4584
dc.identifier.patentapplicationnumber 07/700559
dc.identifier.patentnumber 5171630
dc.identifier.uri http://hdl.handle.net/1853/57075
dc.identifier.uspc 428/298.7
dc.title Flexible Multiply Towpreg
dc.type Text
dc.type.genre Patent
dspace.entity.type Publication
local.contributor.corporatename Georgia Institute of Technology
local.relation.ispartofseries Georgia Tech Patents
relation.isOrgUnitOfPublication cc30e153-7a64-4ae2-9b1d-5436686785e3
relation.isSeriesOfPublication 0f49c79d-4efb-4bd9-b060-5c7f9191b9da
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