Cutting blade and method for cutting pavement in a circle
US6755481B2 · kind B2 · utility
3Cited by
3References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 2001 |
| Grant date | Jun 29, 2004 |
| Priority date | — |
| Expiry date | Feb 16, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C23/094
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for cutting pavement of an asphalt road or a concrete road in a circle for installation of a manhole, by using a cutting blade which has a pavement cutting edge serves as a tip for cutting the pavement and side edges serve as an inclined cutting surface to bore an inside of the pavement cut by the pavement cutting edge, thereby cutting the pavement in a frusto-conical shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.