Machine for forming thermoplastic resin parts by injection moulding
Abstract
Abstract A MACHINE AND METHOD FOR INJECTION MOLDING THERMOPLASTIC RESIN PARTS HAVING A MOLD AND TRANSFER PLATE MEANS MOUNTED TO TRANSFER PARTS FROM THE MOLD TO A PART SEPARATION STATION WHERE AT EJECTION MEANS SEPARATE THE PARTS FROM THE PLATE MEANS SIMULTANEOUSLY WITH INJECTION OF RESIN INTO THE MOLD. THE METHOD AND MACHINE FURTHER CONTEMPLATES PART MOLDING IN TWO OR MORE COLORS WHERE A PARTIALLY FINISHED PRODUCT IS MOLDED AT ONE STATION, A MODIFIED PRODUCT IS MOLDED AT A SECOND STATION, THE MODIFIED PRODUCT EJECTED AT A PART SEPARATION STATION AND TRANSFER TO A SUCCEEDING STATION OF EACH PART IS EFFECTED IN BETWEEN SIMULTANEOUS INJECTION OF RESIN AT THE FIRST AND SECOND STATIONS AND EJECTING THE PART FROM THE PART SEPARATION STATIONS.
Inventors
- 👤 Giovanni Bessolo Veneria
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |