Patent · US Expired

Fixing apparatus

US4163892A · kind A · utility

36Cited by
5References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1976
Grant dateAug 7, 1979
Priority date
Expiry dateDec 8, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/2064
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Apparatus for fixing a toner image on a support by pressing and heating it. To heat the toner image, the apparatus comprises first heating means for heating it with transmission or convection heat and second heating means for heating the same with radiation heat. A detecting means detects the temperature of the first heating means and in accordance with the detected information the second heating means is controlled so as to maintain the thermal condition for fixing in a constant and stable state with improved thermal efficiency.

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