Method of applying a discontinuous coating to paper

Claim 1

THE METHOD FOR APPLYING A LIGHTWEIGHT DISCONTINUOUS COATING OF UNIFORM PATTERN TO A TRAVELING WEB OF PAPER WHICH INCLUDES: APPLYINGG TO SAID WEB BY DIRECT PRINT FINE RELATIVELY CLOSELY SPACED BUT SEGREGATED AND UNIFORM QUANTITIES OF AN AQUEOUS MINERAL PIGMENT COATING MIX INCLUDING A BINDER, WATER AND INORGANIC FILLER, SAID COATING MIX BINDER BEING SELECTED FROM THE GROUP CONSISTING OF STARCH AND CASEIN, SAID MIX CONTAINING INORGANIC FILLER IN AN AMOUNT BETWEEN ABOUT FORTY-FIVE AND SEVEN-TENTHS AND FORTYSEVEN AND SIX-TENTHS PER CENT BY WEIGHT AND BINDER IN AN AMOUNT BETWEEN ABOUT SEVEN AND ONE-TENTH AND NINE AND TWO-TENTHS PER CENT BY WEIGHT, AND THEREAFTER WHILE STILL MOIST URGING THE CLOSELY SPACED BUT SEGREGATED QUANTITIES OF COATING MIX AGAINST THE WEB BY MEANS OF A HIGHLY POLISHED ROTATING GLAZE MEMBER TRAVELING AT THEE SAME SPEED AS THE WEB, WITH A PRESELECTED PRESSURE ADEQUATE ONLY TO INSURE UNIFORM EVEN CONTACT, THE CLOSELY SPACED QUANTITIES OF MIX MAINTAINING SEPARATENESS BUT BEING PARTIALLY FLATTENED AGAINST THE WEB, SAID GLAZE MEMBER BEING HEATED TO A PRESELECTED TEMPERATURE WHEREBY THE HEAT OF THE GLAZE MEMBER WHEN CONTACTING SUCH QUANTITIES CAUSES PORTIONS OF THE BINDER TO MIGRATE TO THE SURFACE OF SUCH COLSELY SPACED QUANTITIES OF MIX AND ONTO THE UNCOATED AREAS OF THE WEB AND THEREAFTER ARE GLAZED BY SAID GLAZE MEMBER TO FORM A SUBSTANTIALLY CONTINUOUS SKIN OVER THE WEB, THE DISCONTINUOUS COATING INCLUDING THE RESIDUE OF SAID MIX AFTER MIGRATION OF SUCH PORTIONS OF THE BINDER, THE WEB HAVING COATED AND UNCOATED AREAS OF SAID FINE DIMENSION THAT THEY ARE NOT READILY DISTINGUISHABLE AT DISTANCES FOR NORMAL VISION BETWEEN ABOUT TWELVE TO SIXTEEN INCHES.

Claim 2

THE METHOD FOR APPLYING A LIGHTWEIGHT DISCONTINUOUS COATING OF UNIFORM PATTERN TO A TRAVELING WEB OF PAPER WHICH INCLUDES: APPLYINGG TO SAID WEB BY DIRECT PRINT FINE RELATIVELY CLOSELY SPACED BUT SEGREGATED AND UNIFORM QUANTITIES OF AN AQUEOUS MINERAL PIGMENT COATING MIX INCLUDING A BINDER, WATER AND INORGANIC FILLER, SAID COATING MIX BINDER BEING SELECTED FROM THE GROUP CONSISTING OF STARCH AND CASEIN, SAID MIX CONTAINING INORGANIC FILLER IN AN AMOUNT BETWEEN ABOUT FORTY-FIVE AND SEVEN-TENTHS AND FORTYSEVEN AND SIX-TENTHS PER CENT BY WEIGHT AND BINDER IN AN AMOUNT BETWEEN ABOUT SEVEN AND ONE-TENTH AND NINE AND TWO-TENTHS PER CENT BY WEIGHT, AND THEREAFTER WHILE STILL MOIST URGING THE CLOSELY SPACED BUT SEGREGATED QUANTITIES OF COATING MIX AGAINST THE WEB BY MEANS OF A HIGHLY POLISHED ROTATING GLAZE MEMBER TRAVELING AT THEE SAME SPEED AS THE WEB, WITH A PRESELECTED PRESSURE ADEQUATE ONLY TO INSURE UNIFORM EVEN CONTACT, THE CLOSELY SPACED QUANTITIES OF MIX MAINTAINING SEPARATENESS BUT BEING PARTIALLY FLATTENED AGAINST THE WEB, SAID GLAZE MEMBER BEING HEATED TO A PRESELECTED TEMPERATURE WHEREBY THE HEAT OF THE GLAZE MEMBER WHEN CONTACTING SUCH QUANTITIES CAUSES PORTIONS OF THE BINDER TO MIGRATE TO THE SURFACE OF SUCH COLSELY SPACED QUANTITIES OF MIX AND ONTO THE UNCOATED AREAS OF THE WEB AND THEREAFTER ARE GLAZED BY SAID GLAZE MEMBER TO FORM A SUBSTANTIALLY CONTINUOUS SKIN OVER THE WEB, THE DISCONTINUOUS COATING INCLUDING THE RESIDUE OF SAID MIX AFTER MIGRATION OF SUCH PORTIONS OF THE BINDER, THE WEB HAVING COATED AND UNCOATED AREAS OF SAID FINE DIMENSION THAT THEY ARE NOT READILY DISTINGUISHABLE AT DISTANCES FOR NORMAL VISION BETWEEN ABOUT TWELVE TO SIXTEEN INCHES.