Device with a conically shaped housing and feeling for feeding plastics material to an extruder

A device for feeding plastics material to an extruder comprising a conically shaped housing with a material outlet opening located at the apex end thereof, motor driven means rotatably mounted within said housing for feeding the material from the material outlet opening in said housing, wherein the improvement comprises that said housing has the apex end thereof directed downwardly, said feeding means comprises a conically shaped wall with the apex end thereof directed downwardly located within and spaced inwardly from the inner surface of said housing, said wall being disposed in parallel relation with the inner surface of said housing and forming therebetween an annular material flow passageway extending downwardly to the outlet opening from said housing, a screw blade secured to and extending around said wall from the upper end to the lower end thereof and said screw blade extending downwardly from the lower end of said wall through said outlet opening, a partition wall in combination with said feeding means divides the interior of said housing into an upper storage chamber and a lower material conveying chamber with said conically shaped wall located within said conveying chamber, said partition wall comprises a frusto-conical member having the surfaces thereof diverging in the downward direction, the circumferentially extending lower end of said frusto-conical member having at least one opening therethrough, and arcuate segments attached to and extending around the circumferentially extending lower end of said frusto-conical member, said segments being spaced apart in the circumferential direction of said frusto-conical member.