Container for blood and machine for separating precipitates from liquid blood constituents

Claim 1

APPARATUS FOR USE IN SEPARATING MATERIALS INTO COMPONENTS OF RELATIVELY HIGHER AND RELATIVELY LOWER SPECIFIC GRAVITY WHICH COMPRISES: A DRIVE SHAFT AND A MOTOR FOR CAUSING THE ROTATION THEREOF, A ROTOR HEAD OPERATIVELY CONNECTED TO THE DRIVE SHAFT TO BE ROTATED THEREBY AND FORMED WITH A CIRCULAR RECESS CONCENTRIC WITH THE CENTER OF ROTATION, A SEPARATE REMOVABLE LINER IN THE RECESS IN THE ROTOR HEAD IN THE DORM OF A HOLLOW CIRCULAR BODY HAVING UPPER AND LOWER WALLS OF SHEET MATERIAL SPACED FROM EACH OTHER TO PROVIDE A CENTRAL CHAMBER AND CONNECTED TOGETHER AROUND THEIR PERIPHERIES TO PROVIDE AN ANNULAR CHAMBER CLOSED AROUND THE OUTER EDGE AND COMMUNICATING WITH THE CENTRAL CHAMBER AT ITS INNER EDGE, SAID WALLS HAVING ANNULAR CONFRONTING SEALING ZONES BETWEEN THE TWO CHAMBERS, AT LEAST ONE OF THE WALLS BEING FLEXIBLE SO THAT SEALING ZONES CAN BE BROUGHT INTO SEALING ENGAGEMENT WITH EACH OTHER, SAID ROTOR HAVING CLAMPING MEANS SPACED INWARDLY FROM THE PERIPHERY OF THE RECESS IN REGISTRY WITH THE SEALING ZONES OF THE LINER TO CLAMP SAID SEALING ZONES INTO SEALING ENGAGMENT WITH EACH OTHER, MEANS FOR COMPRESSING THE FLEXIBLE WALL OF SAID LINER AROUND THE ANNULAR CHAMBER WHILE THE ROTOR HEAD IS ROTATING TO EXPRESS SOME OF THE MATERIALS FROM THE ANNULAR CHAMBER INTO THE CENTRAL CHAMBER AND MEANS FOR THEREAFTER OPERATING SAID CLAMPING MEANS WHILE SAID ROTOR HEAD IS ROTATING TO CAUSE SAID SEALING ZONES TO HAVE SEALING ENGAGEMENT AND THEREBY SEAL OFF THE MATERIALS OF RELATIVELY HIGHER SPECIFIC GRAVITY IN THE ANNULAR CHAMBER FROM THE MATERIALS OF RELATIVELY LOWER SPECIFIC GRAVITY IN THE CENTRAL CHAMBER.