Injection moulding apparatus and method to reduce velocity increase of flow front during injection moulding
US12251863B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jun 2, 2023 |
| Grant date | Mar 18, 2025 |
| Priority date | — |
| Expiry date | Sep 26, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/3044
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An injection moulding apparatus including at least a first mould plate, the first mould plate having a first injection inlet arranged in fluid connection with a first gate leading into a mould cavity and a second injection inlet arranged in fluid connection with a second gate leading into the mould cavity. The first and second injection inlets are arranged to open in sequence. The second gate includes a first gate volume leading into the mould cavity. The second gate is further provided with a second gate volume allowing injection material to flow into the second gate volume at the same time as into the first gate volume and thereafter into the mould cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.