Universal boxcar with exterior metal surfaces
US7305923B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2004 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Mar 12, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T30/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A universal boxcar is provided with exterior metal surfaces and load carrying capabilities of a conventional uninsulated boxcar and thermal transfer ratings of an insulated boxcar. The boxcar may be formed with interior dimensions corresponding generally with interior dimensions of an uninsulated boxcar without high cost, high performance insulation. The boxcar may include a double side doors slidably mounted on the exterior of each sidewall assemble. A load restraint system may be provided with improved load carrying capabilities and performance characteristics. The load restraint system may have increased load carrying capacity, increased service life, and reduced maintenance costs. All or portions of the load restraint system may be used in uninsulated boxcars or temperature controlled railway cars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.