Control pin
US7165757B2 · kind B2 · utility
4Cited by
9References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2004 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Mar 8, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22D41/18
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A control pin (12) for controlling the flow of liquid metal in a casting process includes an elongate body member (34), the body member being made at least partially of a composite ceramic material that includes a fibrous reinforcing material embedded within a ceramic matrix. The body member (34) is preferably hollow and includes a wear-resistant tip (36) at one end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.