Solvent extraction apparatus

Claim 1

A CONTINUOUS SOLVENT EXTRACTING APPARATUS HAVING A STATIONARY HOUSING AND A SERIES OF CONTAINERS FOR THE MATERIAL TO BE TREATED MOUNTED IN FIXED RELATION TO SAID HOUSING AND ARRANGED IN A SUBSTANTIALLY CIRCULAR HORIZONTAL PATH AND EACH HAVING A FORAMINOUS WALL, A ROTATABLE CARRIAGE ARRANGED TO MOVE ABOVE SAID CONTAINERS AND UPPER PART ARRANGED TO MOVE ABOVE SAID CONTAINERS AND A LOWER PART WHICH PASSES BELOW SAID CONTAINERS, SAID UPPER PART HAVING MOUNTED THEREON A CHUTE LOCATED AT THE BEGINNING OF ITS CYCLE OF TRAVEL FOR DEPOSITING MATERIAL TO BE TREATED SUCCESSIVELY FOLLOWING EACH OTHER FOR DISCONDUITS ON SAID UPPER PART OF SAID CARRIAGE FOLLOWING SAID CHUTE AND SUCCESIVELY FOLLOWING EACH OTHER FOR DISCHARGING SUCCESSIVELY WEAKER MISCELA ON THE CONTENTS OF THE CONTAINERS, MEANS FOR SUPPLYING TO THE FINAL OF SAID CONDUITS FRESH SOLVENT LIQUID, COLLECTING DEVICES EACH INCLUDING A COLLECTING PAN ON THE LOWER PART OF THE CARRIAGE, THE FIRST OF WHICH IS DIRECTLY UNDER THE CONTAINER WHICH IS BEING FILLED, THE OTHER OF AID COLLECTING DEVICES BEING ARRANGED SUCCESSIVELY BELOW OTHER CONDUITS, THE LAST DRIANAGE PAN EXTENDING BEYOND THE LAST OF SAID CONDUITS TO PERMIT DRAINAGE OF MATERIAL, A DISCHARGE HOPPER ON THE LOWER CARRIAGE PART FOLLOWING THE LAST COLLECTING PAN AT THE END OF SAID CYCLE, MEANS ON THE HOPPER FOR EFFECTNG THE DISCHARGE OF THE TREATED MATERIAL FROM A CONTAINER AND LIQUID ELEVATING MEANS MOUNTED ON SAID APPARATUS WHICH FEED LIQUID FROM SAID COLLECTING MEANS TO SAID CONDUITS IN A MANNER SO THAT THE STRONGEST MISCELLAS ARE APPLIED TO THE CONTAINERS CLOSEST TO THE BEGINNING OF THE CYCLE.