Patent · US Expired

Mold and method for making variable hardness castings

US5533563A · kind A · utility

4Cited by
6References
20Claims
0Family size

Inventor

Key dates

Filing dateMar 30, 1995
Grant dateJul 9, 1996
Priority date
Expiry dateMar 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.