Method and apparatus for coating paper

Claim 1

A PROCESS OF MAKING COATED PAPER WHICH COMPRISES APPLYING TO A WEB OF PAPER FROM A POND OF A FLUID COATING COMPOSITION AN EXCESS OF THE COMPOSITION, SAID COMPOSTION COMPRISING A LIQUID VEHICLE CONTAINING IN AQUEOUS SUSPENSION A PIGMENT AND AN ADHESIVE, APPLYING SUCH COMPOSITION BY MOVING SAID WEB UPWARDLY ON A ROTATING RESILIENTLY COVERED BACKING ROLL WHICH FORMS A BOUNDARY OF THE POND, MOVING SAID WEB UPWARDLY INTO THE POND THROUGH A CONSTRICTED GAP WHICH IS CLOSED BY SAID COMPOSITION AND SAID WEB, SUBSEQUENTLY AFTER THE WEB HAS PASSED FROM THE SURFACE OF THE POND BUT WHILE THE SAID COMPOSITION IS STILL FLUID AND THE WEB IS ON THE BACKING ROLL, BLADING EXCESS COATING COMPOSITION FROM THE SAID MOVING WEB BY A FLEXIBLE BLADE IN PRESSURE ENGAGEMENT WITH THE BACKING ROLL AND WEB AND SPACED WELL ABOVE THE POND OF COATING COMPOSITION, AND LIMITING THE EXCESS OF COATING COMPOSITION CARRIED TO THE FLEXIBLE BLADE BY A ROLL WHICH IS POSITIONED IN THE SURFACE OF THE POND OF COMPOSITION AND WHICH ROLL IS ROTATED IN AN ANGULAR DIRECTION WHICH IS OPPOSITE TO THAT OF THE BACKING ROLL.