Patent ID: 8365366

Claim:
A clamping collar comprising a belt that co-operates with tightening means, the belt having peripheral edges and comprising at least two belt portions suitable for being interconnected at adjacent connection ends, each of which connection ends has a joggle between an end segment and a coupling segment, the joggle of each connection end being provided with a slot that extends transversely from one of the peripheral edges of the belt to a step, the collar being provided with at least one pair of retaining surfaces comprising a first retaining surface situated in the end segment of the first connection end and a second retaining surface situated in the coupling segment of the second connection end, one of said retaining surfaces comprising an edge portion of a retaining window, and the other one of said retaining surfaces comprising a hook formed on an edge portion of a fastening window, wherein, in order to interconnect said belt portions, the connection ends are interlocked, the step of each connection end being disposed in the slot of the other connection end so that the coupling segment of each of the connection ends is disposed against the end segment of the other connection end, and so that said hook engages said edge to oppose relative movement of the connection ends in a first direction.