Gloss gauge
US4830504A · kind A · utility
13Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 1987 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Jun 24, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/86
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for determining gloss on a surface having a calibrating feature wherein a gloss calibration standard is provided by means of a built-in standardization surface. The standardization surface provides a reference to which the gloss of a sample surface is compared. The standardization surface is protected from dust build-up throughout the operation of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.