Patent ID: 6298948
Filing Date: 2001-10-09
Classification: B41F,B41P,F16N

Abstract:
A central lubrication system for a rotary printing press where water will enter the lubrication system only in exceptional circumstances, comprising:a central supply of lubricant for individual lubricating points;a line system for feeding an oversupply of lubricant to the individual lubricating points;a lubricant return system for returning the excess lubricant;a test box connected, upstream of the central supply, to the lubricant return system;a sensor received in said test box, said sensor in said test box constantly testing the lubricant for the presence of a certain percentage of water in the lubricant;an inlet formed in said test box, said inlet connected to the lubricant return system; andan outlet formed in said test box so that the lubricant is able to circulate about said sensor in said test box between said inlet and said outlet thereof.