Patent ID: 9346208
Filing Date: 2016-05-24
CPC Classification: B29B,B29C

Claim Text:
1. A mixing/extruding apparatus, having: a mixer/extruder comprising a charging portion positioned to charge a material to be mixed into the mixer/extruder, a mixing element movable to mix the charged material, a die positioned to extrude the mixed material, and a diverter configured and positioned to divert the mixed material from the die before the mixed material reaches the die; an electric motor for driving the mixing element of said mixer/extruder; and a power supply device for supplying a drive power to said electric motor, wherein said power supply device includes: a start-up power supply portion for supplying a variable drive power while the diverter is open, with which said electric motor is rotated at low speed with a smaller output than an output generated upon a normal operation to said electric motor; an operation power supply portion provided in parallel with said start-up power supply portion for supplying a constant drive power with which said electric motor is rotated at high speed with the output generated upon the normal operation to said electric motor; and a power supply switching device for switching the drive power from the start-up power supply portion to be supplied to said electric motor to the drive power from the operation power supply portion.