Method and apparatus for mixing particulate solids
Abstract
Abstract METHODS AND APPARATUS FOR CONTINUOUS, MULTI-STAGE MIXING OF AT LEAST TWO PARTICULATE SOLIDS. THE MATERIALS TO BE MIXED ARE INTRODUCED INTO AN ANNULAR HORIZONTAL MIXING ZONE AND AVANCED THEREALONG AS A TUMBLING LEADING MASS WITH A PORTION OF THE OUTER END OF THE MASS DERIVED CONTINUOUSLY AS A RESIDUAL STREAM TRAILING ALONG THE OUTER PERIPHERY OF THE ZONE WHILE A SECOND, LARGER PORTION OF THE LEADING MASS IS DIVERTED INWARDLY AS A TRAILING MASS ALONG THE INNER PERIPHERY OF THE ZONE, THE TRAILING MASS BEING DIVERTED IN A TUMBLING MODE SO THAT A PART THEREOF IS COMBINED WITH THE TRAILING RESIDUAL STREAM. THE INVENTION IS ESPECIALLY USEFUL FOR MIXING PARTICULATE POLYMERIC MATERIAL WITH AN ADDITIVE SUCH AS A DRY COLORANT.
Inventors
- 👤 Joseph C Morin
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |