MANUFACTURING DEVICE FOR FOAMED SHEET

摘要

PURPOSE:To realize a manufacturing device for a foamed sheet in which the good-quality foamed sheet is manufactured at low loss. CONSTITUTION:A thermoplastic resin sheet foamed by heating is heated and foamed. The thermoplastic resin sheet is widened by being passed through a widening device before it is solidified. The widening device is constituted of a pair of widening units 10 arranged in the right and left of the foamed sheet. The widening units 10 are equipped with a pair of belts 21, 21' rotated by pinching the foamed sheet 2.