Patent · US Expired

Electrostatic separator

US4985732A · kind A · utility

25Cited by

15References

27Claims

0Family size

Assignee

Spectrum Sciences B.V. · NL

Inventors

Benzion Landa · Nes Ziona, IL
Shabtai Ezuz · Afula, IL
Jakob Karin · Ramat Gan, IL
Paul Fenster · Netanya, IL

Key dates

Filing date	Mar 8, 1989
Grant date	Jan 15, 1991
Priority date	—
Expiry date	Mar 8, 2009

Classification

Technology area (CPC G)Physics
CPC primaryG03G21/0088
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Apparatus including a drum having a drum surface, apparatus for supplying a particle dispersion comprising particles to the drum surface, electrostatic apparatus for causing at least some of the particles to adhere to the drum surface and resilient blade apparatus downstream of the electrostatic apparatus for operative engagement with the drum surface for retaining a layer of particle rich material on the drum surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.