| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a crucible lifter that is located compactly at a periphery of a crucible and can securely lift the crucible.SOLUTION: A crucible lifter includes: a plurality of support plates 2 which are entered into a melting furnace from above at at least three places in a peripheral direction through a gap between an outer periphery of a crucible L and an opposed inner periphery of the melting furnace; a connection body 1 which connects respective upper ends of the support plates 2 and has a lifting lock part 13; a lock piece 3 which is made to move toward an outer periphery of a bottom part of the crucible L gradually reduced in diameter downward from a state in which the lock piece is provided at a lower end part of the support plate 2 and housed in the plate; and an operation member 4 which moves the lock piece 3 back and forward from an upper-end direction of the support plate 2.</p> |
