Filter cloth traveling type belt filter and production method of toner particles
US8545133B2 · kind B2 · utility
17Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2009 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Oct 6, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D29/843
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A production apparatus and a production method of toner particles are provided which efficiently and stably reduce the water content of the wet toner particle cake obtained by separating and washing toner particles from toner particle dispersion in a production apparatus of toner particles granulated in a wet process. A wet toner particle cake 1 formed on a belt filter is aerated and dehydrated with air, and at the same time, sealing units 6 provided on the upstream and downstream sides of the aeration unit 3 can be operated to efficiently seal aeration air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.