Method of inspecting a wrap-fitted state of a cap wrap-fitted to a neck of a bottle and apparatus therefor
US6643009B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2002 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Jun 20, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/9054
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of inspecting a wrap-fitted state of a cap that is wrap-fitted to the neck of a bottle by detecting a positional relationship between a bottle mark and a cap mark, wherein an optical lens is arranged at a higher position on the vertical center axis of the bottle to which the cap is wrap-fitted, a single camera is arranged at a higher position on the optical axis of the optical lens to image the bottle mark and the cap mark through the optical lens, an illumination device is arranged for illuminating the bottle mark and the cap mark, the bottle mark and the cap mark are simultaneously shot by the camera, and the obtained image is sent to an image processor to detect a positional relationship between the bottle mark and the cap mark.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.