Patent · US Expired

Development apparatus

US4380966A · kind A · utility

23Cited by
3References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 1981
Grant dateApr 26, 1983
Priority date
Expiry dateOct 7, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25D11/16
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A development apparatus has a developer supporting member having a magnet therein and a thickness controlling member for the developer, the developer being a magnetic one-component developer which is applied to the surface of the developer supporting member by means of the thickness controlling member, the applied surface of the developer supporting member being brought into a position opposed to a latent-image carrying member to develop the latent image thereon, the surface of the developer supporting member being roughened by sand blast treatment with irregularly shaped and/or sized particles.

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