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Device for winding a cylindrical sleeve around a toric ring










Image Number 6 for United States Patent #7429303.

Device (D) for winding a cylindrical sleeve (C) of axis XX' around a toric ring (R) so that the end (E) of the said cylindrical sleeve is engaged between the toric ring (R) and the cylindrical sleeve (C) itself in order to make at least one complete turn around the substantially circular radial section of the said toric ring (R). The device comprises a winding fabric (T) also formed by a sleeve sliding freely in the axial direction on the external surface of a concentric set of winding heads (10, 10') having an external profile comprising a back (104) constituting a substantially cylindrical surface, a convex front annular surface (102) connected to the previous surface and a concave annular surface (103) connected to the latter so that the winding fabric (2) produces S-shaped loops when the said winding fabric (T) substantially follows the radial profile of the convex annular surface (102) and of the concave annular surface (103) of the winding heads (10, 10').








 
 
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