| 摘要 |
PROBLEM TO BE SOLVED: To provide an antifoaming agent feeder in a sewage sucking system capable of feeding a stable quantity of antifoaming agent when operating a sewage sucking machine and a floor cleaner, surely stopping the feed of the antifoaming agent when stopping the operation, and preventing the outflow of the antifoaming agent to the outside. SOLUTION: The antifoaming agent Z is fed to a sewage suction squeegee 9 or a sewage recovering hose 8 by a tube pump 14 and a control part 15 which drives the tube pump 14 for a predetermine time at a predetermined time interval by being associated with the operation of a blower 7. COPYRIGHT: (C)2005,JPO&NCIPI
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