Automatic non-drip pneumatic pressure lubrication system - esp. applicable to circular knitting machines ensuring controlled lubrication

摘要

An automatic lubrication system has a pressurised lubricant reservoir and alongside it a compressed air vessel, both being fed from the main supply via reducing valves and an electrically operated control valve, the air and oil passing along coaxial tubes to the nozzles. These comprise a tube with a central bore calibrated close to its conically widening outlet in which a rigid metal tube, inserted into the end of the oil lead, terminates. The rigid tube carries a centralising piece with longitudinal surface grooved, the air lead being pushed in to it and screwed tight.