Anchoring sleeve for railway rail assembling screw to concrete sleeper comprises compressible member consisting of hollow cap of deformable material with peripheral projection comprising lateral wall

摘要

The sleeve comprises a compressible member (10) at its base which is compressed to cover a foreign body possibly present in the sleeve when the screw is being installed. The compressible member consists of an internally hollow cap made of deformable material and has a peripheral projection (12) comprising a lateral wall (13).