Cell for testing fluids

Claim 1

A CELL FOR TESTING LIQUIDS COMPRISING: A CASING INCLUDING A PARTIALLY THREADED BORE EXTENDING LONGITUDINALLY THERETHROUGH, A PLURALITY OF PRESSURE AND RETURN PORTS EXTENDING LATERALLY FROM SAID BORE COAXIAL WITH A COMMON TRANSVERSE AXIS; AN INTERNAL BODY INCLUDING FIRST AND SECOND TRANSVERSE SURFACES, COAXIAL TRANSVERSE PRESSURE AND RETURN PASSAGES, A LONGITUDINAL OUTLET PASSAGE, A CENTRAL LONGITUDINAL METERING CHAMBER EXTENDING FROM SAID FIRST TRANSVERSE SURFACE TO ONE EXTREMITY OF SAID OUTLET PASSAGE, A TEST PATCH INDENTATION IN SAID SECOND TRANSVERSE SURFACE AND A FILTER PATCH INDENTATION IN THE WALL OF SAID CHAMBER IMMEDIATELY ADJACENT TO SAID FIRST TRANSVERSE SURFACE, SAID BODY BEING ADAPTED TO BE INSERTED INTO THE BORE OF SAID CASING WHEREBY SAID PRESSURE AND RETURN PORTS AND PASSAGES ARE ALIGNED; A FILTER PATCH ASSEMBLY ADAPTED TO BE INSERTED INTO SAID FILTER PATCH INDENTATION TO CLOSE SAID CHAMBER, SAID ASSEMBLY INCLUDING A SUPPORTING MEMBER HAVING A TRANSVERSE SECTION CONTAINING A PLURALITY OF HOLES PARALLEL WITH THE LONGITUDINAL AXIS OF SAID BODY, AND A FILTER ELEMENT IN CONTACT WITH SAID THIN TRANSVERSE SECTION ON THE SIDE THEREOF OPPOSITE TO SAID CHAMBER; A PLUG MEMBER HAVING A PORTION THEREOF INSERTABLE INTO THE BORE IN SAID CASING AND ENGAGEABLE WITH SAID THREADED PORTION THEREIN AND AN INLET PORT EXTENDING THROUGH SAID PLUG PARALLEL WITH THE LONGITUDINAL AXIS OF SAID CASING; A TEST PATCH ASSEMBLY INSERTABLE INTO SAID TEST PATCH INDENTATION, SAID ASSEMBLY INCLUDING A SUPPORTING MEMBER ENGAGEABLE WITH THE WALLS OF SAID INDENTATION INCLUDING A TRANSVERSE SECTION CONTAINING A PLURALITY OF HOLES PARALLEL WITH THE LONGITUDINAL AXIS OF SAID BODY AND A CYLINDRICAL FLANGED PORTION, A TEST FILTER ELEMENT IN CONTACT WITH SAID TRANSVERSE SECTION ON THE SIDE THEREOF ADJACENT TO SAID FLANGE PORTION AND A FIRST RETAINER ADAPTED TO HOLD SAID ELEMENT IN CONTACT WITH SAID TRANSVERSE SECTION, SAID FIRST RETAINER HAVING A PORTION THEREOF IN CONTACT WITH SAID OUTLET PASSAGE AND SAID FLANGED PORTION; A SECOND RETAINER ENGAGEABLE WITH A PORTION OF SAID TEST PATCH INDENTATION TO RETAIN SAID TEST FILTER ASSEMBLY IN A FIXED POSITION, SAID SECOND RETAINER CONTAINING A CENTRAL LONGITUDINAL OUTLET PORT ADAPTED TO FLOW FLUID OUT OF SAID CHAMBER; AND A CAP ENGAGEABLE WITH THE EXTERNAL THREAD ON SAID CASING TO SECURE SAID SECOND RETAINER IN POSITION AND PERMIT DISASSEMBLY OF SAID CELL FOR EXAMINATION OF SAID TEST FILTER ELEMENT.