Patent ID: 7785668

Claim:
A method for doctoring a coating excess applied by a coater to a moving surface with a doctor roll, comprising the steps of: (1) applying excess coating to the moving surface, (2) rotating a doctor roll in a doctor roll support having upstream and downstream ends adjacent the moving surface and the excess coating thereon, (3) moving the doctor roll support and doctor roll toward or away from the moving surface for controlling the amount of excess coating removed from the moving surface by the doctor roll, (4) limiting the movement of the doctor roll and the doctor roll support in the direction the moving surface is moving, the step of limiting movement of the doctor roll support comprising generally pivoting the upstream end of the doctor roll support about an axis upstream of the doctor roll, (5) retaining the downstream end of the doctor roll support against a downstream retaining member, (6) sliding the downstream end of the doctor roll support against the retaining member, (7) loading the doctor roll against the moving surface for establishing the force of the doctor roll toward the moving surface, and (8) doctoring the excess coating off the moving surface with the doctor roll, whereby the coating on the moving surface is consistently doctored by said doctor roll.