Patent · US Expired

Apparatus for fixing electrophotographic images

US4001544A · kind A · utility

19Cited by

2References

22Claims

0Family size

Assignee

Wifo Wissenschaftliches Forschungs-Institut A.G. · CH

Inventors

Paul Heinzer · Pully, CH
Helmut Wulz · Zürich, CH

Key dates

Filing date	Nov 8, 1974
Grant date	Jan 4, 1977
Priority date	—
Expiry date	Nov 8, 1994

Classification

Technology area (CPC G)Physics
CPC primaryG03G15/2053
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Apparatus for fixing electrophotographic images carrying toner powder and comprising an upper heated fixing roller and a lower driven counter roller cooperating with the fixing roller to form a nip for the passage of image bearing sheets to be fixed, the fixing roller having a resilient tubular shell of metal or other material of high thermal conductivity.

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