Patent ID: 6071345
Filing Date: 2000-06-06
Classification: B05C,B41F,B41P

Abstract:
An apparatus for applying a fluid coating to a traveling web, said apparatus comprising:a rotationally driven transfer roll having a liquid coating transfer surface;a fountain housing having a seal face proximate to said transfer surface;means for securing said housing to said transfer roll for relative rotation therebetween whereby said housing is held substantially stationary relative to said transfer roll and the rotation thereof;a vacuum cavity in said fountain housing in flow communication with an opening between said housing seal face; and said transfer roll;a fountain nozzle having a fluid discharge orifice positioned closely proximate to said transfer surface within the opening of said vacuum cavity;means for supplying a flow of fluid to said fountain nozzle for discharge onto said transfer surface;means for screeding an excess of said fluid from said transfer surface within said vacuum cavity; andmeans for providing a subatmospheric pressure within said vacuum cavity to flow air, vapors and said excess liquid from said vacuum cavity.