Liquid treatment apparatus

• US 3,081,158 A
• Filed: 12/28/1959
• Issued: 03/12/1963
• Est. Priority Date: 12/28/1959
• Status: Expired due to Term

• Current Assignee: George D. Winter
• Original Assignee: George D. Winter
• Inventors: Winter, George D.
• Application Number:
  US03/862,111
• Time in Patent Office: 1,170 Days
• US Class Current: 422/64
• CPC Class Codes: B01L 3/0206 of the plunger pump type
• CPC Class Codes: G01N 35/08 using a stream of discrete samples flowing along a tube system, e.g. flow injection analysis
• CPC Class Codes: Y10T 436/117497 with a continuously flowing sample or carrier stream

Claims

1. FEED APPARATUS FOR SUPPLYING A SERIES OF LIQUID SAMPLES TO AN ANALYSIS APPARATUS, COMPRISING A HOLDER FOR A SERIES OF LIQUID SAMPLE RECEPTACLES ARRANGED IN A ROW, AT LEAST ONE ADDITIONAL RECEPTACLE POSITIONED LATERALLY OF SAID ROW OF RECEPTACLES FOR SUPPLYING A WASH LIQUID, A LIQUID TAKE-OFF DIVICE FOR THE TRANSMISSION OF THE SAMPLES, IN SUCCESSION, FROM THEIR RESPECTIVE RECEPTACLES TO SAID ANALYSIS APPARATUS AND FOR THE TRANSMISSION OF SAID WASH LIQUID FROM ITS RECEPTACLE TO SAID ANALYSIS APPARATUS BETWEEN SUCCESSIVE TRANSMISSIONS OF SAMPLES THERETO, MEANS MOUNTING SAID TAKE-OFF DEVICE LATERALLY OUTWARDLY OF SAID HOLDER FOR MOVEMENT FROM A RETRACTED POSITION IN RELATION TO SAID HOLDER TO AN OPERATIVE POSITION FOR THE WITHDRAWAL OF THE LIQUID SAMPLES AND SAID WASH LIQUID FROM THEIR RESPECTIVE RECEPTACLES, SAID TAKE-OFF DEVICE HAVING INLET MEANS WHICH IS POSITIONED IN SAID RECEPTACLES IN SAID OPERATIVE POSITION OF SAID TAKE-OFF DEVICE, SAID HOLDER AND SAID TAKE-OFF DEVICE BEING RELATIVELY MOVABLE IN ONE DIRECTION TO POSITION SAID INLET MEANS OF SAID TAKE-OFF DEVICE IN SAID RECEPTACLES FOR THE SAMPLES AND WASH LIQUID TRANSMISSION OPERATION AND IN AN OPPOSITE DIRECTION FOLLOWING SAID SAMPLE AND WASH LIQUID TRANSMISSION OPERATION, SAID HOLDER AND SAID TAKEOFF DEVICE BEING ALSO RELATIVELY MOVABLE IN THE DIRECTION OF THE ROW OF SAID SAMPLE RECEPTACLES, MEANS FOR INTERMITTENTLY MOVING SAID HOLDER AND SAID TAKE-OFF DEVICE IN RELATION TO EACH OTHER IN SAID DIRECTION OF THE ROW OF RECEPTACLES TO RELATIVE POSITIONS FOR THE SAMPLE-TRANSMISSION OPERATION FROM EACH OF SAID SAMPLE RECEPTACLES, AND MEANS OPERATIVELY CONNECTED TO SAID TAKE-OFF DEVICE TO URGE AND POSITIVELY MOVE THE LATTER FROM SAID RETRACTED POSITION TO SAID OPERATIVE POSITION F0R THE WITHDRAWAL OF SAID SAMPLES FROM THEIR RESPECTIVE RECEPTACLES DURING EACH OF A PLURALITY OF DWELL PERIODS OF SAID HOLDER AND SAID TAKE-OFF DEVICE DURING SAID INTERMITTENT RELATIVE MOVEMENT THEREOF AND FOR THE WITHDRAWAL OF SAID WASH LIQUID FROM ITS RECEPTACLE.