VIBRATION DAMPING CORRUGATED FLEXIBLE SLEEVING

摘要

A flexible sleeve for damping vibrations and supressing noise is disclosed. The sleeve is corrugated for radial stiffness and bending flexibility and has one or more damping layers of non-woven felt adhered to a flexible, resilient tubular support layer. The damping layers may be on both the inside and outside surfaces of the support layer. The support layer defines an interior space for receiving elongate substrates, the sleeve being slit to provide access to the interior space. Manufacture of the sleeve is by wrapping elongate multilayer strips combining the damping and support layers helically around a convoluted mandrel and applying heat and pressure to join the strips and force them to conform to the convoluted shape of the mandrel.