Process for producing embossed designs on hard surfaces rolls

Claim 1

THE PROCESS FOR PRODUCING A RAISED EMBOSSED DESIGN UPON A HARD SURFACE METAL ROLL TO BE USED FOR ROLLING THE RAISED DESIGN INTO METAL SURFACES, WHICH CONSISTS IN EXECUTING AN ENLARGED DRAWING OF THE DESIGN TO BE MADE, ENGRAVING A REDUCED REPRODUCTION OF THE DESIGN UPON A FLAT METAL PLATE TO EXTRACT SIZE ULTIMATELY DESIRED ON THE HARD SURFACE METAL ROLL, THEN FILLING THE DEPRESSIONS IN THE ENGRAVED PLATE WITH AN ACID RESISTANT SUBSTANCE WHILE MAINTAINING SAID ENGRAVED PLATE AT SUITABLE TEMPERATURE TO FACILITATE WORKING OF THE ACID RESISTANT SUBSTANCE THEN TRANSFERRING THE ACID RESISTANT SUBSTANCE FROM THE DEPRESSIONS IN THE ENGRAVED PLATE TO A SHEET OF THIN TISSUE PAPER, THEN LAYING THE PAPER AROUND THE SURFACE OF THE ROLL TO BE EMBOSSED AND CAUSING THE ACID RESISTANT SUBSTANCE TO ADHERE TO THE SURFACE OF THE ROLL, THEN WETTING THE PAPER WITH AN AQUEOUS ALCOHOL SOLUTION, THEN REMOVING THE PAPER LEAVING THE ACID RESISTANT SUBSTANCE UPON THE ROLL, AND THEN ETCHING THE UNCOVERED PORTIONS OF THE ROLL SURFACE WITH ACID SO AS TO PRODUCE THE DESIGN IN RELIEF UPON THE ROLL IN REVERSE TO THE DESIGN UPON THE FLAT ENGRAVED PLATE.