Apparatus for passing material into a pressure vessel in response to the internal pressure thereof

Claim 1

IN APPARATUS OF THE CLASS INCLUDING A PRESSURE VESSEL, THE IMPROVEMENT IN MEANS FOR PASSING MATERIAL INTO THE PRESSURE VESSEL IN RESPONSE TO THE INTERNAL PRESSURE THEREOF CONSISTING ESSENTIALLY OF CONTAINER MEANS FOR CONTAINING MATERIAL TO BE ADDED TO THE PRESSURE VESSEL, CONDUIT MEANS EXTENDING BETWEEN THE PRESSURE VESSEL AND THE CONTAINER MEANS FOR PASSING MATERIAL FROM THE CONTAINER MEANS INTO THE PRESSURE VESSEL, AND MEANS POSITIONED IN THE CONDUIT MEANS BETWEEN THE PRESSURE VESSEL AND THE CONTAINER MEANS FOR NORMALLY PREVENTING PASSAGE OF MATERIAL FROM THE CONTAINER MEANS INTO THE PRESSURE VESSEL, THERE BEING NO COMMUNICATION BETWEEN THE INTERIORS OF THE PRESSURE VESSEL AND THE CONTAINER MEANS WHEN IN USE EFFECTIVE TO EQUALIZE THE PRESSURES THEREIN AS LONG AS THE MEANS FOR PREVENTING PASSAGE OF THE MATERIAL IS EFFECTIVE WHEREBY THE LAST NAMED MEANS IS SUBJECTED TO INCREASING PRESSURE IN A DIRECTION AWAY FROM THE PRESSURE VESSEL WITH INCREASING PRESSURE IN THE PRESSURE VESSEL, THE MEANS FOR PREVENTING PASSAE OF THE MATERIAL BEING RENDERED INEFFECTIVE BY PRESSURE APPLIED IN A DIRECTION AWAY FROM THE PRESSURE VESSEL WHEN THE INTERNAL PRESSURE OF THE PRESSURE VESSEL EXTENDS A PREDETERMINED LEVEL THEREBY ALLOWING MATERIAL TO BE PASSED FROM THE CONTAINER MEANS INTO THE PRESSURE VESSEL.