Mold and method for making variable hardness castings
US5533563A · kind A · utility
Inventor
Key dates
| Filing date | Mar 30, 1995 |
| Grant date | Jul 9, 1996 |
| Priority date | — |
| Expiry date | Mar 30, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D15/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A mold and method for making castings having variable hardness is disclosed. The mold assembly includes a cope and drag captured between a pair of carrier plates. Chill members depend from the carrier plates and are received in appropriate apertures formed in the cope and drag. The chill members are inserted into the cope and drag after formation thereof and are removed therefrom prior to shake-out of the molded article. The chill members are used to control the cooling of the molded article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.