| 摘要 |
A method for washing a drain pipe with a drag wire is provided to prevent breakdown of the pipe and to improve transfer efficiency by using a more flexible operation wire and to washing clearly by transferring stronger force to a washing unit. A method for washing a drain pipe with a drag wire includes the steps of: inserting an adsorption head of a flexible adsorption wire into one side of a pipe; contacting a pipe contact part of a vacuum intake device to the other side of the pipe; inserting the adsorption wire into the pipe and removing the vacuum intake device(step1); connecting the front of an operating wire(310) having a flexible washing unit(400) to the front or rear ends of the adsorption wire removed of the adsorption head, and dragging the operation wire with drawing out the adsorption wire from the end of the adsorption wire that is not connected with the operation wire, thereby inserting the operation wire into the pipe(step2); drawing out the operation wire from the front of the operation wire and washing the pipe by dragging the washing unit and repeating the washing process more than one time(step3).
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