Material separating machine
US4319991A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1980 |
| Grant date | Mar 16, 1982 |
| Priority date | — |
| Expiry date | Oct 24, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB07B13/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Apparatus for separating a composite of three materials into their particular groups includes a first screen (17) which permits the group of the smallest sized material to pass therethrough. The materials not passing through the screen (17) are fed to a trough (21). Second screens (23) are provided near the end of the trough which permits the group of the mid-sized materials to pass therethrough. The group of the largest sized materials move to and through a discharge spout (25) at the end of the trough (21).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.