Dialyzer assembling means

Claim 1

A DIALYZER COMPRISING: TWO COMPANION PLATE MEMBERS, EACH HAVING A SURFACE WITH A GROOVE THEREIN; MEANS FOR CLAMPING SAID MEMBERS WITH SAID SURFACES IN CONFRONTING FACE-TO-FACE RELATION, WITH SAID GROOVES IN REGISTER TO FORM A CHAMBER; A MEMBRANE DISPOSED BETWEEN SAID MEMBERS; MEANS FOR ENGAGING SAID MEMBRANE AROUND SAID CHAMBER AND FOR TAUTENING THE INCLUDED PORTION OF SAID MEMBRANE WHEN SAID MEMBERS ARE CLAMPED IN CONFRONTATION; SAID MEANS FOR CLAMPING INCLUDING A TUBE, CLOSED AT ONE END, ADAPTED TO RECEIVE SAID PLATE MEMBERS THEREIN; TWO INTERMEDIATE MEMBERS, EACH OF SUBSTANTIALLY TRIANGULAR CROSS-SECTION, HAVING A BASE SURFACE ADAPTED TO ABUT A RESPECTIVE PLATE MEMBER, AND EACH HAVING A PLURALITY OF RESILIENTLY COMPRESSIBLE ROLLERS ADAPTED TO ABUT THE INNER WALL OF SAID TUBE, A PLUG SECURED TO SAID INTERMEDIATE MEMBERS AND ADAPTED TO CLOSE THE OTHER END OF SAID TUBE, A FIRST PAIR OF CONDUITS COUPLED TO THE ENDS OF SAID GROOVE OF ONE OF SAID PLATE MEMBERS, A SECOND PAIR OF CONDUITS COUPLED TO THE ENDS OF SAID GROOVE OF THE OTHER OF SAID PLATE MEMBERS, SAID FIRST AND SECOND PAIRS OF CONDUITS PASSING THROUGH SAID PLUG, WHEREBY WHEN SAID PLUG CLOSES SAID TUBE AND SAID PLATE MEMBERS AND SAID INTERMEDIATE MEMBERS ARE