| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat treatment apparatus for resin particles by hot blast by which resin particles having excellent circularity can be obtained. SOLUTION: The heat treatment apparatus for resin particles is equipped with a heat treatment tank to treat resin particles with hot blast, a hot blast supplying member to supply hot blast into the heat treatment tank, a resin particles supply member surrounding the hot blast supply member to supply the resin particles. An annular passage of hot blast is formed in the inside of the cylindrical hot blast supply member. COPYRIGHT: (C)2004,JPO&NCIPI |
