| 摘要 |
PROBLEM TO BE SOLVED: To provide a work cooling structure for seam welding capable of saving cooling water and facilitating removal of facilities or the like. SOLUTION: Cooling water stored in a water storing portion 3 is pumped up by a first pump 4, and the cooling water is discharged through an outlet 5 of a water passage 6 so as to cool a work W and receive the discharged water from the outlet 5 on a water receiving portion 8. Water in the water receiving portion 8 is fed into a filter 11 by a second pump 10, the water passed through the filter 11 is cooled by a cooler portion 13 and is fed back to the water storing portion 3 via a circulation passage 12. COPYRIGHT: (C)2004,JPO
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