Proportional feeder for particulate solids
US4281776A · kind A · utility
2Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 15, 1979 |
| Grant date | Aug 4, 1981 |
| Priority date | — |
| Expiry date | May 15, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01F23/60
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Proportional feeders for particulate solids such as plastic pellets, powders and the like, with precise control over the ratio of one material to another comprising, in combination, at least one housing having a vertical upper portion of uniform cross section and an inwardly converging lower portion, at least two inlets in the upper portion, an outlet in the lower portion and a vertical, laterally adjustable separator between the inlets in each housing and an adjustable wall member in at least one housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.