| 摘要 |
PURPOSE: A band clamp is provided to combine a hose and a pipe in a fixed angle by using a fastener and a combining groove. CONSTITUTION: A band clamp comprises a base(10), a rack(20) and a lock(30). The base has a front side and a rear side. The base surrounds a pressing object using the rear side. The rack and lock are formed on both ends of the base. One or more planes for tightening are formed on the surface of the base. A fastener and a plurality of combining grooves are formed on the plane for tightening. A plurality of protrusions(13) is formed on the rear side of the base.
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