Patent · US Expired

Fuser assembly with donor roller having reduced release agent swell

US6190771A · kind A · utility

16Cited by

21References

9Claims

0Family size

Inventors

Jiann-Hsing Chen · Fairport, US
Stephen V. Davis · Rochester, US
Robert A. Lancaster · Hilton, US

Key dates

Filing date	Dec 28, 1998
Grant date	Feb 20, 2001
Priority date	—
Expiry date	Dec 28, 2018

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31663
WIPO fieldOptics
WIPO sectorInstruments

Abstract

In a fusing assembly for fixing toner to a receiver and having a fuser roller and a pressure roller forming a fixing nip, a metering roller, a polymeric release agent is applied to the metering roller and a release agent donor roller for receiving polymeric release agent from the metering roller and applying it to the surface of the fusing roller, the release agent donor roller comprising an outer layer including a silicone material selected so that its swelling in 1000 cts poly(dimethylsiloxane) is less than 6% by weight.

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