Spiral mixing element
US4199269A · kind A · utility
2Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | May 18, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0822
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a device for mixing and/or conveying, in particular for mixing and conveying a developer composition in an electrophotographic copying machine. The device comprises an elongated member which is rotatable about its longitudinal axis, this member comprising a T-shaped lateral cross-section which has been spirally twisted about its longitudinal axis, whereby at least two portions of the T cross-section comprise helically extending mixing and/or conveying elements. Also disclosed is a method for manufacturing such a device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.