Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-10-05
1992-05-19
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156166, 156245, 156133, D04H 312, B32B 100
Patent
active
051145162
ABSTRACT:
A method for making substantially continuous, fiber-reinforced resin stock without drawing the fibers through a separate resin bath comprises: providing a plurality of fiber layers and resin film layers for positioning into an array having fiber layers for its outermost layers. This array is passed, preferably pulled, through a die having an entrance, an exit downstream from the entrance, and a pool area adjacent the die entrance, said pool area having a larger cross-sectional configuration than that of the array. Upon heating of the die, the resin film layers of the array melt to form a pool of molten resin in the pool area of the die. The fiber layers passing through the die are impregnated with resin from the pool area before the resin-impregnated fibers are optionally shaped, then compressed and solidified to form resin stock. A pultrusion die for making substantially continuous, fiber-reinforced stock from a low viscosity thermoplastic resin is also disclosed.
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Korzeniowski George
Pilling Douglas A.
Aluminum Company of America
Ball Michael W.
Stemmer Daniel J.
Topolosky Gary P.
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