Patent ID: 6698877
Filing Date: 2004-03-02
Classification: D21H

Abstract:
An offset print apparatus for applying a substance to a moving web, comprising:a transfer roll capable of being rotated; a moving web in contact with a first circumferential portion of said transfer roll, said moving web moving over or under said transfer roll and staying in contact with said first circumferential portion of said transfer roll while moving over or under said transfer roll; a dispenser located proximate to a second circumferential portion of said transfer roll, said dispenser having at least one orifice; a substance being dispensed from said dispenser through said at least one orifice and onto said transfer roll without having said dispenser contact said transfer roll, said transfer roll rotating said substance into engagement with said moving web such that at least a portion of said substance is applied to said moving web; and a positive pressure enclosure in fluid communication with said dispenser such that said positive pressure enclosure communicates clean air to said dispenser in order to aid in preventing build-up of dust on said dispenser.