Asphalt block resistant to cold flow
US6451394B1 · kind B1 · utility
6Cited by
21References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1998 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Oct 13, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/8305
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Asphalt is packaged in containers having breakage means, such as short notches, long channels, wedges or molded parts, to allow for easy breakage into smaller portions for ease of handling and feeding into kettles. Asphalt is also packaged so as to improve cold flow of the block while simultaneously reducing fumes at the kettle. The containers have various features to enhance processability and handleability, including a handhold portions and/or scooped portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.