FIELD: process engineering.
SUBSTANCE: proposed method and device allow continuous production of preforms with central bore. Not moulded initial material based on reinforcing fibers with central channel and made up of composite initial materials is intermittently fed in lengthwise direction. Said material is heated and/or pressure is applied thereto to pre-shape the material to preset configuration. Said pre-shaped material is mixed with other not processed initial materials based on reinforcing fibers to produce preform.
EFFECT: continuous production of preforms without folds.
19 cl, 11 dwg
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