Patent · US Expired

Control pin

US7278464B2 · kind B2 · utility

3Cited by
5References
27Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 26, 2006
Grant dateOct 9, 2007
Priority date
Expiry dateApr 26, 2026

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22D41/18
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A control pin for controlling the flow of liquid metal in a casting process includes an elongate body member, the body member being made at least partially of a composite ceramic material that includes a fibrous reinforcing material embedded within a ceramic matrix, and a failsafe element embedded within the composite ceramic material.

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