Container with cleavable coating on interior surface

Claim 1

A CONTAINER FOR HOT DEAD LEVEL ASPHALT OR THE LIKE HAVING A WALL THE INNER SURFACE OF WHICH IS PROTECTED BY A SUBSTANTIALLY SAND-FREE CLEAVABLE COATING CONSISTING ESSENTIALLY OF PLATE-KIKE SHAPE MICA PARTICLES OF BETWEEN ABOUT 300 AND 3000 MESH AND DISPERSED IN A POLYMERIZED SYNTHETIC RESIN BINDER MATERIAL BONDED TO SAID WALL, AND FURTHER COMPRISING, DISPERSED IN SAID BINDER MATERIAL, SOLID PARTICLES OF BETWEEN 200 AND 3000 MESH OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CLAY SUBSTANTIALLY ONLY OF THE KAOLINITE TYPE, FULLER''S EARTH, LAMP BLACK, FLAKE GRAPHITE, GREEN SLATE, CARBON BLACK AND TALC AND MIXTURES THEREOF, SAID BINDER MATERIAL BEING A MEMBER OF THE GROUP CONSISTING OF POLYMERIZED ACRYLIC ACID, POLYMERIZED ETHYL ACRYLATE, POLYMERIZED METHYL ACRYLATE, POLYMERIZED METHYL METHACRYLATE, POLYMERIZED ETHYL METHACRYLATE AND COPOLYMERIZED MIXTURES THEREOF, AND ACRYLONITRILE-METHACRYLATE COPOLYMER, BUTADIENESTYRENE COPOLYMER, VINYLIDENE CHLORIDE-ACRYLOONITRILE COPOLYMER, VINYLDENE CHLORIDE-VINYL CHLORIDE COPOLYMER AND POLYVINYL ACETATE, AND MIXTURES THEREOF, THE SOLIDS CONTENT OF SAID RESIN BINDER BEING PRESENT IN PROPORTIONS BY WEIGHT BETWEEN ABOUT 3-7.5% OF THE TOTAL SOLIDS CONTENT OF THE NAMED SUBSTANCES AND SAID MICA BEING PRESENT IN PROPORTIONS BY WEIGHT BETWEEN SUBSTANTIALLY 7-40% OF THE TOTAL SOLIDS CONTENT OF THE NAMED SUBSTANCES.