Aluminum hopper car with cast collars interconnecting intersecting center sill hood with ridge hood and sloped end walls
US4884511A · kind A · utility
30Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 1988 |
| Grant date | Dec 5, 1989 |
| Priority date | — |
| Expiry date | Jan 27, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F1/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An aluminum hopper car having a center sill hood which uses aluminum collar castings to connect cross ridge hoods which intersect a center sill hood, and to connect the center sill hood with intersecting sloped car end walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.