Patent · US Expired

Web liquid charging: improved resistance to contamination

US5893663A · kind A · utility

4Cited by
15References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 1997
Grant dateApr 13, 1999
Priority date
Expiry dateNov 19, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/0208
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrostatographic printing machine and apparatus that utilizes a foam roll aquatron with a hydrophilic web between it and the photoreceptor. The porous web captures and removes toner particles which ordinarily would be trapped in the foam roll nip and cause image quality defects, such as streaking.

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