| 摘要 |
PURPOSE: An air expansion typed oil fence is provided to inject several air booms at once using one air injection hose for a prompt control. CONSTITUTION: An air expansion typed oil fence comprises: a rubber packing(12) combined to a contacting area of an air boom and an air injection hose(10a) for sealing off air; an air boom(n) for storing the end unit of the air injection hose at the upper part for the injected air to move to the air boom(n1) at the end; several connecting hoses(131, 132, 133, 134,... n) combining air booms and exposing only at the area between air booms for each air boom to be filled with air; and a check valve(14) at the both ends of the connecting hoses moving the air to one direction.
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