Process of solvent bonding napped textile fabric

Claim 1

IN A PROCESS FOR BONDING CONTIGUOUS FIBERS OF A NAPPED FIBROUS TEXTILE FABRIC HAVING SUBSTANTIAL THICKNESS IN WHICH THE SURFACE FIBERS HAVE ONE END HELD WITHIN THE FABRIC STRUCTURE AND ONE FREE END RAISED THEREFROM FORMING A NAP THEREON WHEREIN A CONTROLLED AMOUNT OF A LIQUID CONTAINING 1 TO 25 WEIGHT PERCENT OF A LATENT SOLVATING MATERIAL FOR SAID FIBERS IS DEPOSITED SIMULTANEOUSLY ON BOTH SURFACE OF SAID TEXTILE FABRIC IN THE ABSENCE OF SUBSTANTIAL PROPELLING FORCE AND IN THE FORM OF A MIST OF DISCRETE LIQUID PARTICLES HAVING AN AVERAGE PARTICLE SIZE OF LESS THAN ABOUT 0.012 INCH IN DIAMETER WITH SAID FIBERS BEING MAINTAINED IN THEIR RELATIVE POSITIONS WITHOUT SIGNIFICANT DISPLACEMENT WHILE DEPOSITING SAID PARTICLES THEREON AND CONTIGUOUS FIBERS ARE BONDED WITHOUT COMPRESSION OF THE NAP AT POINTS WHERE SAID PARTICLE HAVE BEEN DEPOSITED SOLELY BY EMPLOYING SAID DISCRETE LIQUID PARTICLES AND BY HEATING THE TREATED FABRIC TO A TEMPERATURE IN THE RANGE OF 215*F. TO 350*F. TO ACTIVATE THE SOLVATING MATERIAL, THE IMPROVEMENT WHICH COMPRISES DIRECTING SAID TEXTILE FABRIC IN A VERTICLE PATH WHILE DEPOSITING SAID LIQUID PARTICLES ON SAID FABRIC.