Porcelain enamel article and method of making same

Claim 1

IN THE METHOD OF PORECLAIN ENAMELING A CLEANED AND ROUGHENED STEEL WORK PIECE SURFACE HAVING DEEP SHARP EDGED PITS THEREIN, THE STEPS COMPRISING IMMERSING SAID ROUGHENED WORK PIECE IN AN AQUEOUS SOLUTION OF A NICKEL SALT AND DEPOSITING FROM ABOUT 0.1 TO ABOUT 0.2 GRAM PER SQUARE FOOT OF NICKEL THEREON BY THE HYDROPHOSPHITE REDUCTION PROCESS, WHEREIN THERE IS NO ION EXCHANGE BETWEEN THE WORK PIECE AND SAID SOLUTION, APPLYING THERETO A FINISH COAT PORECLAIN ENAMEL CLAY-FREE HYDROUS SLIP SAID PORECLAIN ENAMEL BEING SUBSTANTIALLY FREE OF AHDERENCE PROMOTING OXIDES, SAID SLIP FURTHER CHARACTERIZED BY THE INCLUSION THEREIN OF FROM ABOUT 0.001% TO ABOUT 3.0% PER 100 PARTS OF FRIT OF AN SYNTHETIC ORGANIC CATIONIC SURFACE ACTIVE AGENT AND FINALLY FIRING SAID PORCELAIN ENAMEL ONTO SAID WORK PIECE.