Shotgun shell wad

Claim 1

A FIREARM CARTRIDGE WAS COMPRISING A TUBULAR PROJECTILE CUP HAVING AN OPEN OUTER END AND A CLOSED INNER END AND ADAPTED TO HOUSE THE PROJECTILE MEANS OF SAID CARTRIDGE, THE WALL OF SAID CUP HAVING A PAIR OF DIAMETRICALLY OPPOSED SLOTS FORMED THEREIN AND EXTENDING LONGITUDINALLY THEREOF, THE OUTER MARGINAL EDGE OF SAID CUP BEING OF INTEGRAL ANNULAR FORMATION, A SEALING CUP COAXIAL WITH SAID PROJECTILE CUP AND AXIALLY SPACED THEREFROM AND ADAPTED TO OVERLIE AND BE EXPOSED TO THE EXPLOSIVE CHARGE OF SAID CARTRIDGE, SAID SEALING CUP HAVING AN OPEN OUTER END AND A CLOSED INNER END, SAID SEALING CUP COMPRISING A PAIR OF CONCENTRIC TUBULAR WALLS CONNECTED TO THE INNER END THEREOF AND OPENING OUTWARDLY, SAID TUBULAR WALLS BEING RADIALLY SPACED FROM EACH OTHER, THE OUTER OF SAID WALLS BEING ADAPTED TO MOVE OUTWARDLY AND SEALINGLY ENGAGE THE BARREL OF A GUM UNDER THE INFLUENCE OF THE GAS FROM THE IGNITED EXPLOSIVE CHARGE OF SAID CAR TRIDGE, A FLEXIBLE DISK CO-AXIAL WITH, DISPOSED BETWEEN AND SPACED FROM SAID CUPS, SAID CUPS AND SAID DISK BEING OF SUBSTANTIALLY THE SAME OUTER DIAMETER, A ROD INTERCONNECTING SAID CUPS AND DISK AND DISPOSED CO-AXIALLY THEREOF, SAID ROD BEING OF SUBSTANTIALLY SMALLER DIAMETER THAN SAID CUPS AND DISK, SAID SEALING CUP AND ROD BEING CAPABLE OF AXIAL MOVEMENT TOWARDS SAID PROJECTILE CUP UNDER THE INFLUENCE OF THE IGNITED EXPLOSIVE CHARGE.