Patent ID: 7987561

Claim:
A hose clamp for clamping a pipe onto a pipe coupler comprising: a metal belt having a first edge and a second edge adapted for being overlapped defining a receiving cavity therein for clamping a pipe with a predetermined diameter; a positioning arrangement comprising a positioning head extended from said first edge of said metal belt, and a positioning head holder provided on said second edge at a corresponding place for receiving said positioning head, so as to guide said first edge and said second edge together in position; a fastening arrangement comprising at least a welding arrangement comprising a first welding element provided on said first edge and a second welding element provided on said second edge at a corresponding place for being welded with said first welding element, so as to fasten said first edge and said second edge together; and an indication arrangement provided on said belt comprising a first indicator provided on said first edge and a second indicator on said second edge adapted for overlapping onto said first indicator, so as to indicate whether the two edges of the belt are connected in a right place.