roll 1 the blade 3 3 may also be formed into other shapes by a corresponding displacement mechanism such as threaded spindles 3 8 the displacement mechanism can for example also operate pneumatically or hydraulically the spindles 3 8 or other displacement mechanism allow the size or width of the inlet gap to be adjustable providing means for varying or adjusting the amount of coating composition entering in particular regions of the application chamber also according to the invention the width of an outlet gap o defined by the doctor element 3 5 and the surface of the applicator roll 1 can be of varying sizes across the length thereof according to the invention the width of the outlet gap o should increase toward the ends of the applicator roll 1 numerous types of doctor elements may be utilized in the device according to the invention the use of a doctor roll has already been mentioned herein however scrapers or other types of fixed doctor elements may also be used if doctor rolls are utilized they may be ridged doctors profiled rods or wire wound rods similar to the device 3 shown in fig2 an application device 3 39 according to the invention is shown in fig6 here too a sump 3 7 39 is formed between the surface of an applicator roll 1 39 and a blade 3 3 39 an inlet of the device 3 39 is disposed at a top thereof and is indicated by an arrow 10 which also shows the direction of flow of the coating composition into the device 3 39 the coating composition flows around a free edge f 39 of the blade 3 3 39 and indicated by an arrow 11 a desired partial amount.