Device for detecting defects in glass articles
US4491728A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1982 |
| Grant date | Jan 1, 1985 |
| Priority date | — |
| Expiry date | Mar 29, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/9054
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for detecting unacceptable defects in a neck area of hollow glass articles transported by a feeding element has a light source spaced from a path of feeding of the articles and arranged to illuminate the neck area of the latter, a projecting element arranged to project an image of the neck area of each of the glass articles, an image receiving element arranged to receive the projected image of the neck area and having a plurality of electrooptical elements, wherein the projecting element includes a mirror arranged to project the image of the neck area of each of the articles along a projecting axis which is transverse to the longitudinal axis of the device, and the electrooptical elements are arranged in a circle located in a plane normal to the projecting axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.