Patent · US Expired

Refractory metal core wall thickness control

US7174945B2 · kind B2 · utility

28Cited by
0References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 2006
Grant dateFeb 13, 2007
Priority date
Expiry dateJan 23, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22C21/14
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

In accordance with the present invention, a casting system is provided which broadly comprises a core and a wax die spaced from said core, a refractory metal core having a first end seated within a slot in the core and a second end contacting the wax die for positioning the core relative to the wax die, and the refractory metal core having at least one of a mechanism for providing spring loading when closed in the wax die and a mechanism for mechanically locking the wax die to the core.

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