Comb for string type vacuum filter

Claim 1

IN A CONTINUOUS ROTARY DRUM FILTER OF THE TYPE COMPRISING IN SPACED PARALLEL RELATIONSHIP A VACUUM DRUM AND A DISCHARGE ROLL AND HAVING A PLURALITY OF PARALLEL ENDLESS STRINGS COMPOSED OF A SYNTHETIC RESIN MATERIAL PASSING OVER THE DRUM AND ROLL, THE STRINGS BEING SPACED FROM EACH OTHER AXIALLY OF AND PASSING OVER THE DRUM AND ROLL, A STRING ALIGNING COMB HAVING AN ELONGATED BODY PORTION WITH A PLURALITY OF FINGERS SPACED LATERALLY OF EACH OTHER LONGITUDINALLY OF THE BODY PORTION AND EXTENDING IN A COMMON DIRECTION, SLEEVE MEMBERS COAXIALLY MOUNTED ON THE FINGERS, THE SLEEVE MEMBERS BEING COMPOSED OF A SYNTHETIC RESIN MATERIAL RESISTANT TO ABRASION BY SAID STRING, THE BODY PORTION AND FINGERS BEING COMPOSED OF A STIFF AND RIGID MATERIAL DIFFERENT FROM THAT OF THE SLEEVE MEMBERS AND BEING CAPABLE OF WITHSTANDING RELATIVELY HIGH TEMPERATURES OPERATING CONDITIONS, THE COMB BEING POSITIONED IN PARALLEL RELATIONSHIP WITH THE DISCHARGE ROLL AND POSITIONED TO RECEIVE BETWEEN EACH PAIR OF ADJACENT SLEEVES AN ENDLESS STRING PASSING OVER THE DISCHARGE ROLL.