Patents by Inventor Flavio Previero

Flavio Previero has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Conical-bottom silo, particularly suitable for small-sized plastic material and rubber with high elasticity properties, having a discontinuous screw stirrer
    Patent number: 5505537
    Abstract: A conical-bottom silo, particularly suitable for small-sized pieces of plastic material with properties of high elasticity, includes a conical screw stirrer inserted axially in the conical bottom of the silo. The conical screw of the stirrer is discontinuous and divided into several sections. The silo has a structure for discharging the material arranged below an outlet port positioned laterally in relation to the stirrer and including two co-operating cylindrical screws. The stirrer can be provided with apertured grill outlets for heated, forced air.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: April 9, 1996
    Assignee: Sorema s.r.l.
    Inventor: Flavio Previero