| abstract |
IN A PROCESS FOR BACKING A TEXTILE MATERIAL BY THE STEPS OF COMPOUNDING A RUBBER LATEX MIX FROM A LATEX SELECTED FROM THE GROUP CONSISTING OF NATURAL RUBBER LATEX, SYNTHETIC RUBBER LATEX, AND A BLEND OF SUCH LATICES, A MINERAL FILLER AND A GELLING CONTROL AGENT COMPRISING ZINC OXIDE, ADDING A GELLING AGENT TO THE MIX, APPLYING THE MIX TO ONE SIDE OF SAID FABRIC, PROVIDING A PATTERN IN THE WET MIX AND SUBJECTING THE BACKED FABRIC TO HEAT TO GEL AND DRY THE PATTERNED MIX, THE IMPROVEMENT WHICH COMPRISES USING A STATIONARY APPLICATOR FOR PROVIDING THE PATTERN IN THE MIX, THE VISCOSITY OF THE MIX BEING SUCH AS TO SUBSTANTIALLY RETAIN SAID PATTERN THEREIN. |