Magnetic stirring apparatus for developer mixtures
US4004508A · kind A · utility
2Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1971 |
| Grant date | Jan 25, 1977 |
| Priority date | — |
| Expiry date | Jan 25, 1991 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M1/125
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Apparatus for stirring developer mixtures including ferromagnetic particles. Developer is located within a magnetic field created by either permanent or electromagnets. The field intensity is variably controlled and the time-rate for decreasing the field intensity is controlled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.