Continuous scouring and bleaching of gray goods

Claim 1

THE CONTINUOUS PROCESS OF SCOURING AND BLEACHING GRAY, WOVEN, COTTON TEXTILE GOODS WITH A SINGLE CONTINUOUS STORAGE STAGE WHICH COMPRISES CONTINUOUSLY PASSING SAID GOODS WETTED OUT AND SUBSTANTIALLY FREE FROM SIZES AND FINISHES THROUGH AN AQUEOUS PEROXIDE BLEACHING BATH CONTAINING, BY WEIGHT, 1.25% TO 2.0% H2O, 1.5% TO 3.0% SILICATE OF SODA HAVING A RATIO OF NA2O: SIO2 OF 1:2 TO 1:4, 0.3% TO 0.8% CAUSTIC SODA, AND A WATER-SOLUBLE BORON SALT EQUIVALENT TO 0.25% TO 2.0% BORAX, REDUCING THE BLEACH SOLUTION CONTENT OF THE GOODS TO WITHIN 75% TO 150% BY WEIGHT OF THE GOODS, HEATING THE GOODS CONTAINING THE BLEACH SOLUTION IN THE PRESENCE OF STEAM TO A TEMPERATURE BETWEEN 200*F. AND 212*F. AND MAINTAINING SAID GOODS AT A TEMPERATURE BETWEEN 180*F. AND 212*F. FOR A PERIOD OF THREE-QUARTERS TO ONE AND ONEHALF HOURS SUCH THAT FURTHER TREATMENT IS AVOIDED WHEN THERE REMAINS IN THE GOODS ONLY 15% RESIDUAL HYDROGEN PEROXIDE OF THE AMOUNT CONTAINED THEREIN AT THE INITIATION OF SAID HEATING STEP, AND WASHING THE BLEACHING SOLUTION FROM SAID GOODS.