Patent ID: 6021551
Filing Date: 2000-02-08
Classification: F16L,Y10T

Abstract:
A clamping collar constituted by a semi-rigid wire rolled up to form at least one turn having a first end provided with a hook formed in a fold of the wire extending substantially transversely to a plane of the turn and a second end that is folded back outwardly to form an extension extending substantially in the same plane as the turn, the extension including a fastening fold forming a setback which, when considered in a direction going towards a free end of the extension, is directed towards the turn, said extension further including a pre-fastening fold situated between an end of the extension which is connected to the turn and said fastening fold, the pre-fastening fold being likewise directed towards the turn, said pre-fastening fold being connected to the turn via a first substantially rectilinear ramp sloping towards the free end of the extension relative to a radius of the turn passing through that end of the extension which is connected to said turn.