Aluminum-stainless steel conductor (third) rail and method
US9566644B2 · kind B2 · utility
2Cited by
4References
10Claims
0Family size
Inventors
Key dates
| Filing date | Nov 13, 2015 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Nov 13, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60L2200/26
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of manufacturing an aluminum power transmission rail product with a metallurgically bonded stainless steel cap comprises providing molten aluminum in a tundish; providing a roll formed stainless steel wear cap; pretreating and preheating the stainless steel cap, then introducing that cap into the tundish; co-casting the aluminum and cap through one or more dies; and tensioning the stainless steel cap at an exit of the casting die and rapidly cooling the same. An aluminum-stainless composite product is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.