Patent ID: 9452628
Filing Date: 2016-09-27
CPC Classification: B41J,B41M

Claim Text:
1. An image decoloring apparatus, comprising: a conveyance path configured to convey a sheet on which an image is formed with a coloring agent that is decolored by heat; a first decoloring section configured to convey and heat the sheet nipped between a first heat roller and a first press roller which are arranged opposite to each other across the conveyance path; and a second decoloring section configured to be arranged at the downstream side of the first decoloring section on the conveyance path to include a second heat roller and a second press roller, which are arranged opposite to each other across the conveyance path and respectively reversed with respect to the first heat roller and the first press roller, wherein the thickness of the second heat roller is smaller than the thickness of the first heat roller, and a diameter of the first heat roller and a diameter of the second heat roller are substantially equal.