Sorting optically different solid masses
US5469973A · kind A · utility
18Cited by
14References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1994 |
| Grant date | Nov 28, 1995 |
| Priority date | — |
| Expiry date | Aug 4, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S209/939
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Masses of differently optically transmissive materials, such as plastic bottles of different composition or color, are separated using the different transmissivity to separate masses in a moving stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.