FLEX A FRAGM

DIAPHRAGMS OF VARIOUS TYPES SUCH AS FLEXIBLE ELASTOMERIC SEALS AND RUBBER SLEEVES USED AS FLEXIBLE DIVIDING MEMBERS SPANNING THE GAP BETWEEN A MOVING MEMBER AND A STATIONARY MEMBER OF DEVICES SUCH AS CYLINDERS OR VALVES TO PREVENT INTERCHANGE OF A FLUID OR GASEOUS MATERIAL BETWEEN TWO SEPARATED AREAS OR CHAMBERS IN THE CYLINDER OR VALVE