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    • 9. 发明专利
    • PLATE BRICK
    • JPH09225628A
    • 1997-09-02
    • JP6541196
    • 1996-02-26
    • KUROSAKI REFRACTORIES CO
    • HARUKI KOUICHIHARADA TSUTOMUKANEKO TOSHIAKIIMANAKA TATSUYAKIMOTO YOSHIO
    • B22D41/28B22D11/10
    • PROBLEM TO BE SOLVED: To provide a plate brick, in which a changable brick member is difficult to slip from a plate base brick and regenerating ratio and reusing times are high. SOLUTION: The plate brick A is inserted with the changable brick member 19 having a molten steel passing-through hole 21 in a through-hole 18 arranged in the plate base brick 16. A sliding surface 23 having the same plate as the sliding surface 22 of the plate base brick 16 is formed at one side of the changable brick member 19 and an annular projecting part 25 projecting from a non-sliding surface of the plate base brick 16 is arranged at the other side to constitute the plate brick. In this case, the outer diameter of a through-hole inserting part 26 of the changable brick member 19 is set to the outer diameter or larger of the annular projecting part 25. Further, a difference part 27 in level expanded in the diameter toward the sliding surface side from the non- sliding surface side of the plate base brick 16 is formed on the way of the through-hole inserting part 26. A difference surface 28 in level supported by abutting on the difference part 27 in level, is formed in the through-hole 18.