Fixierungsvorrichtung, Bilderzeugungsvorrichtung und Verfahren zur Konstruktion der Fixierungsvorrichtung

Details

Veröffentlichungs-Nr.

EP3447585

Aktenzeichen

EP18187466

Anmeldetag

6. August 2018

Veröffentlichung

30. Juni 2021

Erteilung

30. Juni 2021

Rechtsraum

EP

IPC

G03G15/20

Abstract

A fixing apparatus, includes a first pressing roller, a belt wound around the first pressing roller, a second pressing roller disposed to face the first pressing roller across the belt and to form a fixing nip portion between itself and the belt, and a roller position changer that changes a position of the second pressing roller, wherein at least one of the first pressing roller and the second pressing roller is a roller including a core metal and a foaming body covering the core metal, and the roller position changer changes a position of the second pressing roller to be able to change a peak surface pressure of the fixing nip portion correspondingly to a kind of a print medium so that a range where maximum shearing strain occurs from an interface between the core metal and the foaming body in the foaming body becomes a predetermined range.

Anmelder

Firma

KONICA MINOLTA, INC.

Land

🇯🇵 Japan

Fachgebiete