Patent ID: 7172013

Claim:
A bonding structure for a refractory sleeve attached to an inside of a continuous casting nozzle, said sleeve defining an inner hole of said nozzle, wherein said sleeve comprises 20 mass % or more of CaO; said bonding structure comprises a joint formed by applying an adhesive to a joint zone defined by either one of at least a portion of an outer peripheral surface of said sleeve or an inner surface of a hollowed body of said nozzle to which said sleeve is attached, or defined by an inner surface between said hollowed body and an outer peripheral surface of said sleeve inserted into said hollowed body; said adhesive comprises a mixture of a refractory aggregate containing 70 mass % or more of MgO as a primary component, said MgO having a particle size of 0.5 mm or less and a purity of 95% or more; and said adhesive has a porosity of 30 to 75% after drying.