Apparatus for applying organic liquid coating to moving strip material

Claim 1

IN A COATING APPARATUS, A SMOOTH SURFACE ELONGATED CYLINDRICAL ROLL, MEANS ROTATABLY MOUNTING THE ROLL WITH ITS LONGITUDINAL AXIS DISPOSED IN A HORIZONTAL PLANE, MEANS MOVING STRIP MATERIAL ALONG A PATH FROM A REGION LOCATED BELOW THE ROLL UPWARDLY PAST THE ROLL WITH ONE SURFACE OF THE STRIP MATERIAL IN LINE CONTACT WITH THE ROLL TO A REGION LOCATED ABOVE THE ROLL, THE PATH LYING IN A PLANE DISPOSED IN ANGULAR RELATIONSHIP WITH A HORIZONTAL PLANE PASSING THROUGH THE LONGITUDINAL AXIS OF THE ROLL, MEANS APPLYING LIQUID COATING SUBSTANCE TO THE ROLL ALONG A LENGTH OF THE ROLL AT LEAST CORRESPONDING TO THE WIDTH OF THE STRIP MATERIAL, MEANS ROTATING THE ROLL IN A DIRECTION OPPOSITE TO THE DIRECTION OF MOVEMENT OF THE STRIP MATERIAL TO MOVE LIQUID COATING SUBSTANCE APPLIED TO THE ROLL IN A DIRECTION TOWARD THE ONE SURFACE OF THE STRIP MATERIAL, AND MEANS CONTROLLING THE SPEED OF ROTATION OF THE ROLL AND THE QUANTITY OF COATING SUBSTANCE APPLIED TO THE ROLL IN ACCORDANCE WITH THE SPEED OF THE STRIP MATERIAL TO MAINTAIN A POOL OF LIQUID COATING SUBSTANCE EXTENDING ALONG THE WIDTH OF THE STRIP MATERIAL IN THE SPACE DEFINED BY THE PORTION OF THE ONE SURFACE OF THE STRIP MATERIAL ABOVE THE LINE CONTACT AND THE OPPOSING SURFACE PORTION OF THE ROLL.