Method and means for producing magnetic record members

Claim 1

APPARATUS FOR TREATING A MAGNETIC RECORD MEDIUM HAVING A LAYER CONTAINING MAGNETIZABLE MATERIAL AND PROVIDING AN ACTIVE EXTERNAL SURFACE OF THE RECORD MEDIUM COMPRISING MEANS DEFINING RESPECTIVE SMOOTHING SURFACE PORTIONS OF SUBSTANTIALLY GREATER SMOOTHNESS THAN THE ACTIVE SURFACE FOR ENGAGING RESPECTIVE PORTIONS OF THE ACTIVE SURFACE OF THE RECORD MEDIUM, MEANS FOR MOVING THE ACTIVE SURFACE OF THE MAGNETIC RECORD MEDIUM AND THE SMOOTHING SURFACE PORTIONS AT SUBSTANTIALLY THE SAME SPEED, MEANS FOR PLACING THE ACTIVE SURFACE OF THE MAGNETIC RECORD MEDIUM IN A SOFTENED FLOWABLE CONDITION WHILE IN CONTACT WITH SAID SMOOTHING SURFACE, AT LEAST THREE METAL PRESSURE EDGES DISPOSED FOR ENGAGEMENT WITH THE SURFACE OF THE MAGNETIC RECORD MEDIUM OPPOSITE THE ACTIVE SURFACE WITH THE EDGES EXTENDING TRANSVERSELY TO THE DIRECTION OF MOVEMENT OF THE RECORD MEDIUM, AND MEANS FOR URGING THE METAL PRESSURE EDGES AGAINST THE SURFACE OF THE RECORD MEDIUM TO PRESS THE ACTIVE SURFACE OF THE MAGNETIC RECORD MEDIUM INTO CONFORMING ENGAGEMENT WITH THE RESPECTIVE SMOOTHING SURFACE PORTIONS.