Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Indefinite or running length flexible strand – rod – tube – or...
Reexamination Certificate
2011-08-02
2011-08-02
Tolin, Michael A (Department: 1745)
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Indefinite or running length flexible strand, rod, tube, or...
C156S500000, C425S114000, C425S379100
Reexamination Certificate
active
07987885
ABSTRACT:
A system and method are disclosed for producing a continuous filament reinforced thermoplastic profile having consistent cross section. A continuous reinforcing filament is pre-wetted with a first thermoplastic resin and introduced into a die, where it is contacted with a second thermoplastic resin extruded from an extruder at melt state. The temperature of the die is carefully controlled so that the pre-wetted filament and first resin do not cure or solidify until after they have contacted and mixed with the second thermoplastic resin. The mixture temperature is then controlled to make a substantially solidified profile pre-shape. A capping layer comprising a third thermoplastic resin is then coextruded onto the outer surface of the pre-shape. A multistage die for bringing together the filament and thermoplastic resins and for maintaining appropriate temperatures at each stage of the profile-forming process is also disclosed.
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JP07178828 Abstract and Machine Translation. Date Unknown.
International Search Report for International Application PCT/US06/6161, Oct. 2007.
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Jacobs Gregory F.
Waters Eric S.
Zhou Xixian
Abel Law Group, LLP
Kim Chi Suk
Saint-Gobain Performance Plastics Corporation
Tolin Michael A
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