Anti-static printer's blanket in combination with grounded metal roller

Claim 1

IN COMBINATION, AN ANTI-STATIC PRINTING BLANKET OF AT LEAST THREE PLIES AND A THICKNESS OF BETWEEN .062" AND .076", A METAL ROLLER UPON WHICH SAID BLANKET A MOUNTED AND A GROUND ELECTRICALLY CONNECTED WITH SAID ROLLER TO DRAIN THE STATIC ELECTRICITY WHICH ACCUMULATES IN THE BLANKET AND A ELEMINATE THE PICKUP OF LINT AND DUST FROM THE AIR DURING PRINTING, SAID BLANKET CONSISTING ESSENTIALLY OF A TOP LAYER OF BUTADIERE ACRYLONITRILE VULCANIZED COPOLYMER CONTAINING FROM 40 TO 95 PARTS OF CONDUCTIVE CARBON BLACK PER 100 PARTS OF COPOLYMER AND FINELY DIVIDED CONDUCTIVE METAL SELECTED FROM THE GROUP CONSISTING OF SILVER, COPPER, NICKEL, IRON, PHITINUM AND PALLADIUM IN AN AMOUNT OF FROM 4 TO 12 PERCENT BY WEIGHT OF THE COPOLYMER TO PROVIDE ELECTRICAL RESISTANCE OF LESS THAN 80 OHM-CENTIMETERS, AND ALTERNATING PLIES OF WOVEN FABRIC AND OF THE SAME ELECTRICALLY CONDUCTIVE ELASTOMER AS IN THE TOP LAYER, SAID ALTERNATING PLIES OF WOVES FABRIC, ELASTOMER AND TOP LAYER ALL BEING VULCANIZED TO MAKE UP A SINGLE ASSEMBLY CONSISTING OF LEAST THREE PLIES AND NOT MORE THAN FOUR PLIES, SAID WOVEN FABRIC CONSISTING OF HIGH STRENGTH CELLULOSE ACETATE FIBERS AND BEING IMPREGNATED WITH SILVER FLAKE IN AN AMOUNT OF 5 PERCENT BY WEIGHT ON A DRY FABRIC BASIS.