| Patents for B29C 47 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor (64,906) | |
|---|---|
| 01/1976 | |
| 01/06/1976 | US3931379 Expandable styrene polymer |
| 01/06/1976 | US3930923 Nylon extrusion coating |
| 01/06/1976 | US3930782 Apparatus for extruding plastic material |
| 01/06/1976 | US3930781 Post-cooling apparatus for blown thermoplastic film |
| 01/06/1976 | US3930774 Extruder controller |
| 01/06/1976 | US3930768 Blow-head for tubular film |