Die casting machine and method
US9101976B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2010 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Dec 29, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D17/263
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The die casting machine comprises a mold closing actuator capable of selectively inducing a closing pressure on first and second platens for forcing them towards a closed position in which their mold portions are pressed against each other along a parting line. An injection sleeve is movable relative to the mold portions between a distal position in which the injection sleeve and the mold portions are spaced apart; and an injection position in which the injection sleeve engages the mold portions at an inlet opening when the first and second platens are in their closed position. The injection sleeve applies a transverse contact pressure when it engages the mold portions. The closing pressure is unevenly distributed on the platens so as to compensate the transverse contact pressure to have a resulting effective molding pressure on the mold portions that is substantially evenly distributed across the parting line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.