Patent ID: 8015918
Filing Date: 2011-09-13
Classification: B41F,B41P

Abstract:
1. A cleaning apparatus comprosing: a first cylinder; a first liquid supply means for supplying a transfer liquid to said first cylinder; a second cylinder which performs a transfer to one surface of a transfer target body with the transfer liquid transferred from said first cylinder; wherein said first cylinder and said second cylinder are usually kept apart from each other; a cleaning unit which cleans a circumferential surface of said second cylinder in contact therewith; a third cylinder which is arranged to oppose said second cylinder and performs a transfer to the other surface of the transfer target body; second liquid supply means for supplying the transfer liquid to said third cylinder; first cleaning liquid supply means for supplying a cleaning liquid to at least one of said first cylinder and said third cylinder; control means for controlling said cleaning unit to clean said second cylinder while keeping the second cylinder in direct contact with both of said first cylinder and said third cylinder during a cleaning operation, second cleaning liquid supply means for supplying the cleaning liquid to said third cylinder, wherein said first cleaning liquid supply means supplies the cleaning liquid to said first cylinder, and a fourth cylinder which supplies the transfer liquid received from said second liquid supply means to said third cylinder, wherein said cleaning unit cleans said second cylinder while said first cylinder and said third cylinder are in contact with said second cylinder and said third cylinder is in contact with said fourth cylinder, and wherein said first cylinder comprises a plate cylinder, said second cylinder comprises a blanket cylinder, said third cylinder comprises a blanket cylinder, and said fourth cylinder comprises a plate cylinder.