Railroad car tub
US6330863A · kind A · utility
2Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2000 |
| Grant date | Dec 18, 2001 |
| Priority date | — |
| Expiry date | Apr 28, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D7/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railcar includes a pair of car tubs on opposite sides of a center sill. Each car tub includes a cross-section to increase carrying capacity. Each car tub includes a longitudinal semi-circular floor plate formed by a cold-formed process. Additionally, each car plate includes a one-piece composite tub closure at each end thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.