Two part shot sleeve for die casting
US5195572A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1991 |
| Grant date | Mar 23, 1993 |
| Priority date | — |
| Expiry date | Nov 21, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D17/2023
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A two-piece shot sleeve for use with a die casting machine including first and second cylindrical sleeve sections being removably axially secured together, each open at both ends and including an interior passage for the flow of molten metal, the second sleeve section also including a pour hole for receiving molten metal into the interior passage. The invention also relates to a die casting machine including a die, a source of molten liquid for casting, a two-piece shot sleeve including a die end section and a pour end section, a plunger disposed within shot sleeve for forcing molten liquid through the shot sleeve into the die and, a ram for moving plunger axially within shot sleeve, wherein the pour end section of the two-piece shot sleeve is removable from the machine without removing the die end section. Further disclosed is an improved die casting machine which includes a die, a source of molten liquid for casting, a supply path for conducting liquid to the die, and a plunger and ram to force the liquid along the path into the die, the improvement including facilitating removal and replacement of at least part of the supply path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.