| 摘要 |
<p>PURPOSE:To permit to orientate continuous fibers without turbulence and control the degree of crystallization in accordance with the characteristics of the resin by a method wherein a plurality of continuous fiber sheets is orientated into one direction and is heated to a temperature higher than the softening point of a thermoplastic resin to form the coating film of thermoplastic resin on the surface thereof. CONSTITUTION:The thermoplastic resin is molten in an extruding machine 14 to extrude it from a die provided at the tip end of the extruding machine and coat it on the surface of a heated resin coating film providing roll 15. The fiber sheet 10 contacts with the roll, provided with the coating film of resin in such manner, and the resin is impregnated between fibers. Impregnation is achieved by the arrival of the coating film of resin to the rear surface of the fiber sheet through filaments constituting the fiber sheet. The contact pressure between the fiber sheet and the roll is such a degree that the sheet can be arrived at the surface of the roll under pushing through the coating film of the resin. The contact pressure is regulated by a tension applied on the fiber sheet. The fiber sheet 10, coated with the resin, is pressed by a heating roll 17 to improve the degree of impregnation of the resin, thereafter, is cooled and is taken off. The temperature of these heating rolls 17 is higher than the softening pint of the resin impregnated into the cloth.</p> |
