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US 11,717,987 B2Granted
Compactor
AssigneeWebsphere It & Soft Solutions Srl
InventorMaria Giovanna Gamberini
Life of this patent
Estimating the term…
Abstract
Compactor (100) for the “granulation” of plastic materials, the compactor (100) comprising a first zone or unit (101) for loading and distribution capable of being loaded with plastic material and distributing the plastic material loaded to other zones and/or units of the compactor (100); a second zone or unit (104) comprising a perforated spinneret (110) and at least one compacting roller (105) installed external to the spinneret (110), where the material is “granulated” by “sinterization” deriving from its forced passage through the perforations of the spinneret (110) under the action of the at least one roller (105); a third zone or unit for the forced feeding of the material, being provided at the at least one roller (105) comprising at least one rotating feeder auger (111) housed at least partially in a tubular housing (113).
Claims20
A compactor for the of plastic materials, said compactor comprising:
- a first zone or unit for loading and distribution of said plastic material to a second zone or unit;
- a second zone or unit including a rotating spinneret having perforations and at least one compacting roller adjustably positioned outside said spinneret and configured for trapping the plastic material between each compacting roller and the spinneret for forcing the plastic material through said perforations in said spinneret within a predetermined controlled pressure range, as determined by a friction between each compacting roller and the spinneret, under the action of said at least one adjustably positioned compacting roller and at a controlled temperature with a predetermined range provided by a cooling circuit having a cooling fluid and being configured to cool the at least one compacting roller to allow the plastic material to be granulated by sinterization as result of the applied pressure and temperature;
- a third zone or unit downstream of said first zone or unit and arranged to drive and guide said plastic material onto said at least one compacting roller, the third zone or unit comprising at least one sorting conduit that receives the plastic material from the first zone or unit and at least one rotating auger housed at least partially in a corresponding at least one tubular housing, both the at least one rotating auger and the at least one tubular housing being located external to the at least one sorting conduit, the at least one auger and corresponding tubular housing being positioned radially about an exterior circumference of the spinneret to receive the plastic material from the at least one sorting conduit and to expel the plastic material from the tubular housing onto the at least one adjustably positioned compacting roller;
- and
- wherein the at least one compacting roller is positioned adjacent to and rotates in response to rotation of the spinneret for pressing the plastic material, expelled from the at least one tubular housing, between the at least one adjustably positioned compacting roller and the spinneret at a pressure within the predetermined range for extruding the plastic material through the spinneret perforations at a temperature within the predetermined range, and into a central chamber of the spinneret.
2 more elements
A compactor for granulation of plastic materials, said compactor comprising:
- a loading zone or unit for loading and distribution of said plastic material to a collection zone or unit, wherein the loading zone or unit includes a loading hopper and a conveyor belt for conveyance of the plastic material loaded at an end of said conveyor belt into said collection zone or unit, wherein the collection zone includes a plurality of sorting hoppers arranged side-by-side and a plurality of corresponding conduits that are separate from the sorting hoppers, wherein each conduit is attached at a first end to one respective sorting hopper and extends downwardly therefrom to allow the plastic material to travel by gravity within the respective conduit;
- a supplier station that includes a plurality of rotating augers that are housed at least partially in corresponding tubular housings, wherein second ends of the plurality of conduits are attached to a plurality of couplers that in turn are coupled to the plurality of rotating augers to allow the plastic material to travel within the plurality of conduits by gravity through the plurality of couplers to the plurality of augers, wherein the plurality of augers are located outside of the plurality of conduits;
- and
- a granulation zone or unit including a rotating spinneret having perforations and a plurality of compacting rollers adjustably positioned outside said spinneret and spaced circumferentially about said spinneret, wherein the plurality of augers and the corresponding tubular housings are positioned radially about an exterior circumference of the spinneret and interposed between the plurality of the compacting rollers to expel the plastic material from the tubular housings onto the plurality of adjustably positioned compacting rollers at different locations about the exterior circumference of the spinneret;
- wherein the plurality of compacting rollers are positioned adjacent to and rotate in response to rotation of the spinneret, such that the plastic material expelled from the tubular housings is trapped between each compacting roller and the spinneret and is pressed between the adjustably positioned compacting rollers and the spinneret, and is extruded through the spinneret into the central chamber of the spinneret.
2 more elements
Dependencies are inferred from the claim text.