Bituminous paving depth gauge
US6298574A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 13, 1998 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Apr 13, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B5/061
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A top reading bituminous paving depth gauge is used to determine the thickness of paving layers. The gauge comprises a depressible rod operatively associated when a rod support system comprising an upper portion having a graduated measuring gauge fixed on the rod support system and a bottom support devise fixed to the lower end of the rod support system. The bottom or the support device acts as a foot for the measuring gauge and also acts to receive the lower portion of the depressible rod. The top reading bituminous paving depth gauge operates without any washers on the measuring depressible rod to prevent false measurements due to the presence of large aggregates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.