Melting and feeding method and apparatus of metallic material in metal molding machine
US7165599B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2004 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Jan 30, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D17/28
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In a metal molding machine provided having a tilt to a clamping device with an injection unit which is constituted by a liquid metallic material reservoir in which a cylinder having a nozzle portion at the tip portion equipped with a heating device at the outer periphery and an injection plunger having advance or retreat freely in the inside, and the injection cylinder at the rear portion, the metallic material feeding to the above liquid metallic material reservoir is performed in liquid by melt to the temperature of above the liquidus temperature in a melting cylinder standing the liquid metallic material reservoir to liquid metallic material surface from a feeding pipe having a smaller diameter than the inner diameter of the cylinder. The melting and feeding of metallic material is performed at an atmosphere of an inert gas such as argon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.