FIELD: chemical engineering. SUBSTANCE: invention relates to assembly containing mixing screw with zone temperature control system, resin melt and loose material-supply line, and vacuum chamber connecting resin-supply line to mixer and having, mounted on its inlet, ultrasonic sprayer comprising ultrasound source with longitudinal oscillation rod concentrator surrounded by heated barrel with resin melt-supply canal. Assembly is distinguished by being provided with hardener solution-supply line and axial canal in concentrator communicating with hardener solution-supply line over nipple placed concentrator zero bias line. EFFECT: improved product quality. 2 dwg
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