Patent · US Expired

Mold casting process and apparatus, and method for producing mechanical parts

US4971134A · kind A · utility

4Cited by
4References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1988
Grant dateNov 20, 1990
Priority date
Expiry dateJan 13, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22D27/04
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A mold casting process comprises, after pouring of a molten metal into a mold, rapidly cooling that surface layer of a cast product which is in contact with a mold, and releasing the resulting product from the mold when the surface layer thereof has been converted into a shell-like solidified layer. Such process is used for casting a mechanical part blank and apparatus for carrying out the process is provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.