Method of and apparatus for forming a clear glossy laminate

Claim 1

IN A PROCESS FOR PRODUCING A SLEAR GLOSSY LAMINATE FROM A HAZY LAMINATE OF POLYETHYLENE FILM LAMINATED TO ONE SURFACE OF REGENERATED CELLULOSE FILM HAVING A NITRO CELLULOSE AND HYDROCARBON WAX CONTAINING A MOISTUREPROOF COATING ON ITS OTHER SURFACE WHEREIN SAID COATING HAS SURFACE IMPERFECTIONS; THE STEPS WHICH COMPRISE ROTATING A PAIR OF COUNTER-ROTATING ROLLS ADAPTED TO EXERT PRESSURE AT THE NIP THEREOF; ONE OF SAID ROLLS HAVING A SMOOTH ERAL SURFACE TO A TEMPERATURE SUBSTANTIALLY ABOVE THE SOFTENING POINT OF THE MOISTURE-PROOF COATING; FEEDING SAID HAZY LAMINATE ABOUT AN ARC OF SAID HEATED SMOOTH PERIPHERAL SURFACE WITH THE MOISTURE-PROOF COATING IN DIRECT CONCONTACT THEREWITH AND HEATING SAID COATING TO ITS SOFTENING POINT; AND PASSING THE LAMINATE THROUGH THE NIP OF THE COUNTER-ROTATING ROLLS WHEREAS THE SOFTENED MOISTURE-PROOF COATING IS SUBJECTED TO PRESSURE, SAID MOISTURE-PROOF COATING BEING SUBJECTED TO THE PRESSURE AT THE NIP FOR A TIME SUFFICIENT TO REMOVE ITS SURFACE IMPERFECTIONS.