Process for reclaiming rubber

Claim 1

A PROCESS FO RRECLAIMING VULCANIZED RUBBER FROM THE FIBERS OF USED TIRES COMPIRISING THE STEPS OF REDUCING THE USED TIRES INTO SMALL PARTICLES OF SUCH SIZE THAT THE VULCANIZED RUBBER PARTICLES WILL BE SUBSTANTIALLY FREE FROM THE FIBER PARTICLES, APPLYING AT ROOM TEMPERATURES, A LIQ UID SWELLING AGENT FOR VULCANIZED RUBBER TO THE REDUCED PARTICLES OF VULCANIZED RUBBER AND FIBERS WHEREBY THE RUBBER PARTICLES ARE SWOLLEN BY THE SAID LIQUID SWELLING AGENT, SEPARATING THE SWOLLEN VULCANIZED RUBBER PARTICLES FROM THE FIBERS IN AN AQUEOUS MEDIUM HAVING A DENSITY INTERMEDIATE BETWEEN THAT TO THE SWOLLEN VULCANIZED RUBBER AND THE FIBERS, THE SWOLLEN RUBBER BEING LIGHTER AND THE FIBERS BEING HEAVIER THAN THE SIAD MEDIUM, SAID AQUEOUS MEDIUM BEING ADAPTED TO RESIST CHEMICAL REACTION AT ROOM TEMPERATURE WITH THE LIQUID SWELLING AGENT FOR VULCANIZED RUBBER, THE FIBERS AND THE VULCANIZED RUBBER, AND FINALLY RECOVERING SAID LIQUID SWELLING AGENT FORM THE SEPARATED VULCANIZED RUBBER PARTICLES AND FROM THE SEPARATED FIBERS.