Rubber or plastics flexible element contg. fibres or granules - for frictional transmission of force, e.g. for tyres or belt

摘要

Flexible rubber or plastics frictional force transmitting element eg tyre contains embedded in its surface layer, in the region a wear or friction surface, rock wool or glass fibres or rock or glass granules, pref. with a max. dimension of 0.3-3.0 mm., which may be oriented in the case of fibres.