Patent ID: 6729230
Filing Date: 2004-05-04
Classification: B08B,D21G

Abstract:
A calender roll cleaning apparatus for smoothing a surface of a magnetic layer of a magnetic recording medium passed through a plurality of calender rolls, comprising:a wiping cloth feeding apparatus that feeds a calender roll surface wiping cloth at a definite rate and tension; a cleaning liquid supplying apparatus that supplies a controlled amount of cleaning liquid such that the cleaning liquid permeates into the wiping cloth fed from the wiping cloth feeding apparatus; and a wiping cloth pressing apparatus that presses the permeated wiping cloth at a controlled pressing load, wherein the cleaning liquid supplying apparatus controls the cleaning liquid supply amount to an amount at which the cleaning liquid applied to the calender roll from the wiping cloth is vaporized before reaching a magnetic recording medium nip portion located between the rolls, and wherein the cleaning liquid supplying apparatus is equipped with a porous member that oozes the cleaning liquid, and the porous member is brought into contact with the wiping cloth, whereby the cleaning liquid is uniformly distributed throughout the entire wiping cloth.