Patent · US Expired

Method for protecting a die

US5947187A · kind A · utility

2Cited by
16References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 18, 1997
Grant dateSep 7, 1999
Priority date
Expiry dateAug 18, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22C1/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Ceria is used to assure release between a metal workpiece and associated forming tooling in forming operations conducted at temperatures of 1500.degree. F. (816.degree. C.) and above.

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