Issued Patents 1989
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889479 | Changing device for changing the plastic material to be supplied to a horizontal injecting unit of an injection molding machine | — | 1989-12-26 |
| 4886439 | Openable and closeable nozzle for the plasticizing cylinder of an injection molding machine | — | 1989-12-12 |
| 4883418 | Plastics injection molding machine | — | 1989-11-28 |
| 4877389 | Locking apparatus for locking a detachably mounted plasticizing cylinder of a plasticizing unit in operative position to a carrying block of an injection unit of an injection molding machine | — | 1989-10-31 |
| 4865534 | Injection molding machine having an injection molding unit with multiple working positions | — | 1989-09-12 |
| 4863362 | Plasticizing assembly comprising a reinforcing skeleton intended for use in an injecting unit of an injection molding machine | — | 1989-09-05 |
| 4863368 | Injection molding machine for a selective linear or central charging of mold assemblies | — | 1989-09-05 |
| 4850841 | Plasticizing and injecting unit for use in an injection molding machine | — | 1989-07-25 |
| 4846664 | Hydraulic system for the mold clamping unit of a plastics injection molding machine | — | 1989-07-11 |
| 4846652 | Combination of an injecting unit and plasticizing unit for an injection molding machine | — | 1989-07-11 |
| 4828478 | Injection molding machine having replaceable, interlockable mold halves | — | 1989-05-09 |
| 4823551 | Hydraulic control circuit for an injection molding with two loads driven by a pump | — | 1989-04-25 |
| 4808103 | Injection molding machine having an injection nozzle control device | — | 1989-02-28 |