METHOD FOR GRANULATION OF PELLET

摘要

PROBLEM TO BE SOLVED: To provide a method for granulation of pellets by which hardly collapsed pellets can be prepd. SOLUTION: Shattered articles 13 of end materials and shattered articles 16 of bumpers are crushed by means of a roller 14e and a die 14f of a granulator main body 14d and are successively pushed into die holes 14g innumerably formed in the die 14f. Polypropylene being the resin part of the shattered articles 13 of the end materials and the shattered articles 16 of the bumpers is melted by frictional heat with wall faces 14h of the die holes 14g and the shattered articles 13 of the end materials and the shattered articles 16 of the vehicle bumpers are solidified while fiber part of the shattered articles of the end materials is wrapped and are extruded as rod-like granulated articles 14i from the die holes 14g and are cut into a definite length by means of a cutter 14j and cylindrical pellets are discharged.