Moulding apparatus for thermosetting plastics material
Abstract
Abstract MOULDING APPARTUS FOR THERMOSETTING PLASTICS MATERIAL COMPRISES A PLASTICIZING AND FEED SCREW MOVABLE AXIALLY WITHIN A CYLINDER. THE PLASTICS MATERIAL IS DISCHARGED BY THE SCREW FROM ONE END OF THE CYLINDER INTO AN ANNULARSECTION INJECTION TRANSFER CHAMBER WHICH COMMUNICATES WITH A MOULD THROUGH A NUMBER OF DISCHARGE NOZZLES. THE END OF THE CYLINDER IS ARRANGED TO ENTER THE ANNULAR-SECTION CHAMBER TO COMPRESS THE PLASTICS MATERIAL THEREIN AND EJECT IT THROUGH THE DISCHARGE NOZZLES INTO THE MOULD. WHILST THE CYLINDER IS WITHIN THE ANNULAR-SECTION CHAMBER, THE END OF THE CYLINDER IS CLOSED BY A PLUG MEMBER THAT FORMS THE INNER WALL OF THE ANNULAR-SECTION CHAMBER THUS SEPARATING THE PLASTICS MATERIAL WITHIN THE CHAMBER FROM THE PLASTICS MATERIAL WITH THE CYLINDER.
Inventors
- 👤 Rolf Deerberg
- 👤 Hans-Lothar Kienbaum
Bibliographic Details
Claims Analysis
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