Manufacturing method of assembling temperature controlled railway car
US6892433B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2002 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Apr 14, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49904
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A manufacturing facility and method for assembling a composite box structure on a railway car underframe are provided. The composite box structure may be defined in part by an exterior metal surface, interior side stakes attached to the exterior metal surface, foam insulation disposed between the side stakes and attached to the metal surface and at least one layer of reinforced plastic material forming an interior surface. The composite box structure preferably includes a pair of end walls, a pair of side walls, a floor assembly and a roof assembly. The composite box structure may be assembled on a railway car underframe to form a temperature controlled boxcar or on insulated boxcar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.