Cold chamber die casting casting machine and method
US5787962A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1997 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Nov 4, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D17/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A top filling injection unit for a cold chamber die casting machine, the cold chamber die casting machine having a fixed platen, a moving platen, a fixed die half and a moving die half, the fixed die half is mounted on the fixed platen and the moving die half is mounted on the moving platen, a part line on which the moving die half and fixed die half meet, the top filling injection unit comprised of an open upwardly inclined injection sleeve, an injection plunger, an injection plunger piston, an injection cylinder and an injection piston, an aperture in the fixed die half defining an opening, the injection sleeve is secured in the opening in the fixed die half, with the top of the injection sleeve proximate the part line, the injection plunger having a retractable filling position and an upper injection position, the injection plunger is lowered to a selected filling position, the upper injection position of the injection plunger being proximate the part line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.