Toyobo Co., Ltd.

Mitsubishi Tanabe Pharma Corporation

Sidem Pharma Sa

Yoshio Inaba

Suzy Charbit

Hervé Ficheux

François Schutze

Alain Taccoen

Michel Homerin

Takashi Hisagi

A vertical underwater type pelletizer-cutter apparatus utilizing a hydraulic suction force for pelletization of thermoplastic polymers comprising a nozzle portion having a plurality of nozzles through which a thermoplastic polymer in a melt state is extruded in strands, an injector portion having a plurality of injectors through which the strands are introduced with water, a cooling portion comprising a plurality of guide tubes through which the strands pass together with said water which cools and solidifies the same and a cutter portion which cuts the cooled and solidified strands into pellets, wherein means are provided for monitoring the pressure at the space in the upper part of the guide tube and for automatically stopping the extrusion of the thermoplastic polymer when the monitoring means detects an abnormal reduction in the pressure.

Pelletizer

Growing community of inventors

Tsuruga, Japan

Yoshio Inaba