Metallized fabric

Claim 1

IN MAKING A METALLIZED SHEET, THE PROCESS WHICH COMPRISES APPLYING TO A SURFACE OF A FLEXIBLE, FIBROUS, AIR PERMEABLE SHEET AN AQUEOUS DISPERSION OF FINE, UNDISSOLVED PARTICLES OF NORMALLY SOLID, NON-VOLATILE, THERMOPLASTIC RESIN BINDER MATERIAL IN LIMITED PROPORTION TO AVOID SATURATION OF THE SHEET AND TO SUPPLY THE SAID PARTICLES IN SPACED RELATIONSHIP TO EACH OTHER, THEN APPLYING OVER THE SPACED PARTICLES OF WATER-WET BINDER MATERIAL A LAYER OF HEAT REFLECTING METAL FLAKES IN UNCOVERED CONDITION, REMOVING THOSE OF THE APPLIED FLAKES NOT ADHERED TO THE DISPERSED BINDER MATERIAL, SUBJECTING THE SHEET MATERIAL SO TREATED TO AN ELEVATED TEMPERATURE TO VOLATILIZE THE WATER PRESENT AND SOFTEN THE THERMOPLASTIC BINDER MATTERIAL, PRESSING THE APPLIED METAL FLAKES UPON THE SAID SHEET AND THE BINDER THEREIN IN SOFTENED CONDITION, AND THEN COOLING THE WHOLE, THE RESULT BEING A SHEET HAVING THE BINDER MATERIAL ADHERED TO THE SHEET AND METAL FLAKES ADHERED TO THE BINDER, THE FLAKES HAVING UNCOVERED REFLECTING FACES, AND THE FLAKES DEFINING BETWEEN THEM SPACES THAT ARE PERMEABLE TO AIR.