메뉴Close
New next generation technology and the R&D infrastructure is our Changdae’s competiveness
Patents
changdae
patents
patents
| Name | No | Licensee | ETC |
|---|---|---|---|
| Micro hole structure for ejecting and disassembly | 10-0906960 | Head office | Registration |
| Method to make 3D curved hair line or flat hair line | 10-1353293 | ||
| Method to make the transparent stand neck | 10-0913949 | ||
| Simplified undercut mold for components to be set up in narrow space | 10-1327745 | ||
| The method to make the cube injection mold for multi injection and ejection | 10-1353294 | ||
| The injection mold which have the inner undercut structure | 10-0835615 | ||
| The method to make the stand neck with bi color effect | 10-0913950 |
Utility Model
changdae
Utility Model
Utility Model
| Name | No | Licensee | ETC |
|---|---|---|---|
| Bose-shaped core pin structure of mold | 20-0441047 | Head office | Registration |
| Steam pipe connection structure applied to injection mold | 20-0433756 | ||
| Injection mold with internal undercut treatment structure | 20-0433757 | ||
| Steam injection mold | 20-0433758 | ||
| Height adjustment structure of microhole core pin | 20-0441332 | ||
| Core extraction device for a mold having an assembly/disassembly core pin | 20-0442300 | ||
| Complex mold structure with steam structure and heat transfer structure | 20-0446313 | ||
| Rotating core fixing structure of multi-injection mold | 20-0469877 | ||
| Thick stand base injection mold | 20-0470933 |
