Xerographing fixing method and apparatus

Claim 1

THE METHOD OF FIXING A RESIN BASE POWDER IMAGE ONTO A SUPPORT MATERIAL TO WHICH THE POWDER IMAGE IS LOOSELY ADHERING, COMPRISING THE STEPS OF HEATING AN OFFSET PREVENTING SURFACE COMPRISING TETRAFLUOROETHYLENE POLYMER TO A TEMPERATURE SUFFICIENT TO TACKIFY THE RESIN OF THE RESIN BASE POWDER IMAGE, APPLYING A COATING OF AN OFFSET PREVENTING LIQUID COMPRISING A SILICONE OIL TO THE OFFSET PREVENTING SURFACE, ADVANCING THE SUPPORT MATERIAL INTO CONTACT WITH THE OFFSET PREVENTING SURFACE IN A MANNER TO PLACE THE SURFACE OF THE SUPPORT MATERIAL BEARING THE POWDER IMAGE IN CONTACT WITH THE OFFSET PREVENTING SURFACE, FORCING THE SUPPORT MATERIAL AND THE OFFSET PREVENTING SURFACE INTO INTIMATE SURFACE CONTACT WITH SUFFICIENT PRESSURE TO INSURE GOOD THERMAL CONTACT BETWEEN THESE SURFACES WITHOUT CAUSING DEGRADATION OF THE POWDER IMAGE ON THE SUPPORT MATERIAL AND THEREBY HEATING THE POWDER IMAGE TO A TEMPERATURE SUFFICIENT TO TACKIFY THE POWDER IMAGE, AND REMOVING THE SUPPORT MATERIAL FROM CONTACT WITH THE OFFSET PREVENTING SURFACE TO EXPOSE THE TACKIFIED