Railway switch heating apparatus
US5702074A · kind A · utility
5Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1995 |
| Grant date | Dec 30, 1997 |
| Priority date | — |
| Expiry date | Sep 29, 2015 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B7/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
There is provided a new and useful apparatus for use in a railway switch heating assembly. The apparatus includes a hollow structural member adapted to replace a conventional railway tie and adapted to be connected to a source of heated air, and a mechanism for discharging the heated air from the hollow member to desired locations along the assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.