Fluid dispenser for welding machines

Claim 1

A HYDRAULIC PRESSURE ACTUATED DEVICE FOR CONTROLLABLY DISPENSING FLUID COMPRISING THE COMBINATION OF: A FLUID SUPPLY SOURCE FORMED AND POSTIONED TO PROVIDE A SUPPLY OF FLUID HAVING PRESSURE, VALVING MEANS FORMED TO RECIPROCATE BETWEEN AN OPEN AND CLOSOED POSITION ANND CONNECTED TO SAID FLUID SUPPLY SOURCE, A DISPENSING NOZZLE HAVING AN ORIFICE AND PROVIDING A LIMITED FLUID PASSAGEWAY OF A SUBSTANTIALLY CONSISTENT DIMENSION HAVING A GIVEN LONGITUDINAL RESISTANCE TO FLUID FLOW, A TUBE INTERCONNECTING SAID VALVE MEANS WIITH SAID NOZZLE FORMED TO PROVIDE A CONTINUOUS FLUID COLUMN FROM SAID VALVING MEANS TO SAID NOZZLE ORIFICE, THE RESISTTANCE TO FLUID FLOW BEING SUFFICIENT TO MAINTAIN THE FLUID COLUMN IN SAID TYBE AND NOZZLE WHEN SAID VALVING MEANS IS CLOSED AND SAID ORIFICE IS AT ATMOSPHERIC PRESSURE, AND TIMING MEANS AND AN EXTERNALLY CONTROLLED ACTIVATING SWITCH CONNECTED TO SAID VALVING MEANS TO ACTUATE OPENING THEREOF FOR A PRESCRIBED PERIOD OF TIME FOR APPLICATION OF FLUID FROM SAID FLUID SUPPLY TO SAID FLUID COLUMN TO OVERCOME THE RESISTANCE AND EJECT A SPECIFIIED AMOUNT OF FLUID FROM SAID ORIFICE, SAID SWITCH BEING ACTIVATED BY MEANS DIRECTLY INTEGRATED WITH FLUID DISPENSING REQUIREMENTS.