Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1992-01-22
1996-06-25
Aftergut, Jeff H.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156166, 156433, 156441, 264135, 264136, 425112, 425113, 425114, B05D 118
Patent
active
055296521
ABSTRACT:
A continuous FRTP prepreg manufacturing apparatus comprises an extruder, a crosshead having a main body internally provided with a resin chamber for containing a molten thermoplastic resin extruded therein by the extruder and joined to the discharge end of the extruder, a cooling unit disposed outside and near the exit of the main body of the crosshead, and a winding unit for taking up a prepreg. A fiber bundle inlet unit and a fiber bundle outlet nozzle unit are provided respectively at one end and at the other end of the main body of the crosshead. Guide rollers and impregnating rollers are arranged within the main body of the crosshead so that a tension is applied to the fiber bundle during impregnation or so that the fiber bundle is expanded during impregnation and is condensed after impregnation. The resin-impregnated fiber bundle is heated to a temperature higher than the melting point of the thermoplastic resin at the fiber bundle outlet nozzle unit, and then the resin-impregnated fiber bundle is cooled to a temperature below the melting point of the thermoplastic resin immediately after being delivered from the fiber bundle outlet nozzle unit to form a continuous FRTP prepreg.
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Asai Toshihiro
Hashizume Shinji
Ohara Toshio
Tanaka Tatuya
Aftergut Jeff H.
Kabushiki Kaisha Kobe Seiko Sho
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