| 摘要 |
PURPOSE: An ice-machine pipe and a manufacturing method thereof is provided that having the double pipe structure and the ice-making pipe is manufactured without the process of spirally tiing the pipe. CONSTITUTION: An ice-machine pipe(1) comprises an outer tube(20) and an inner tube(10). A spiral groove(12) is formed in the outer tube or the inner tube. In the state where the inner tube and outer tube are inserted, the coolant flow is formed, and an ice-machine space(b) is formed in the inner surface of the ice-machine pipe.
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