Patent ID: 6093248
Filing Date: 2000-07-25
Classification: B05C,D21H

Abstract:
An apparatus for application of a liquid or pasty medium onto a traveling fiber material web having two sides and a direction of travel, said apparatus comprising:a first applicator for direct application of the medium onto a first side of the traveling material web, said first applicator comprising a predosing apparatus for directly applying a surplus amount of the medium on a corresponding said first side of the travelling material web and a finish-dosing apparatus for dosing said directly applied amount of the medium to a desired final amount of application;a first rotating press roll for pressing the medium applied by said first applicator into the traveling material web, said first press roll being positioned after said first applicator in the direction of travel;a first rotating mating face having a surface with a first contact section, said first applicator being positioned adjacent to and opposite of a portion of said first contact section, said first mating face being configured for continuously carrying the traveling material web on said contact section from said first applicator to said first press roll, said first mating face rotating in a direction opposite to said first press roll, said first contact section being configured for supporting the traveling material web opposite said first applicator, said finish-dosing apparatus configured for contacting the travelling material web while the travelling material web is supported by said said portion of first contact section, said first contact section and said first press roll defining a press nip therebetween;a second applicator for direct application of the medium onto a second side of the traveling material web;a second rotating press roll for pressing the medium applied by said second applicator into the traveling material web; anda second rotating mating face having a surface defining a second contact section, said second mating face carrying the traveling material web on said surface and rotating in a direction opposite to said second press roll, said second contact section being associated with each of said second applicator and said second press roll, said second contact section and said second press roll defining a press nip therebetween, said second press roll being disposed after said second applicator relative to the direction of travel of the material web.