| 摘要 |
PURPOSE: A clamp is engaged without separate tool to tighten the connecting part of a pipe and a hose to improve workability and air-tightness. CONSTITUTION: A clamp comprises a bending body(1), a rotating piece(4) and a U-shaped holder(5). The bending body(1) is roundly bent and has one end lead out through an opening hole(1a) formed on the other end and vertical plates(2, 3) with L-shaped holes(2a, 3a) formed by the ends bent vertically upwardly. The rotating piece(4) is inserted into the L-shaped holes(2a, 3a) of the vertical plates(2, 3) to push the vertical plates(2, 3) to both sides to tighten the bending body(1) as rotated downwardly. The U-shaped holder(5) is inserted into the upper parts of the vertical plates(2, 3) when the vertical plates(2, 3) contact with each other before used.
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