Faygo Plast

Pressurized air is forced though the mandrel structure as a means of keeping the plastic from collapsing as it moves through the die. As the plastic leaves the die, it will enter into a vacuum environment. Inside the vacuum, there are sizing rings meant to keep the plastic in the desired shape. The vacuum environment also will be filled with water as a means of cooling the extruded plastic. After the extruded plastic has passed through the water-filled vacuum environment it can be cut or spooled as appropriate.
In plastic extrusion line apparatus including a rotating screw in a cylinder forming a channel receiving solid material and eventually expressing it through a die, the channel comprising a feed zone, a melting and compression zone and a melt pumping zone, the improvement wherein a solids decompression zone is between the feed and the melting and compression zones which has increased unit volume relative to that of the feed zone, with the channel of the melting and compression zone communicating with the feed inlet through the decompression and feed zones such that solids are initially metered producing a starved condition so as to melt at substantially atmospheric pressure without filling the channel of the melting and compression zone until close to its end.
The twin screw extruder process starts with what are called thermoplastic resins. Thermoplastic resins are a type of plastic which can be melted, processed, and then re-melted to be used again. These resins are generally delivered in a pellet or bead form to be used in the single screw extruder machinery .