Combination wad column and shot liner

Claim 1

A COMBINATION WAD COLUMN AND SHOT CARRIER FOR A SHOTSHELL COMPRISING A UNITARY, SUBSTANTIALLY CYLINDRICAL MEMBER MADE OF A FLEXIBLE PLASTIC MATERIAL, WHICH MEMBER INCLUDES: A COLLAPSIBLE CUSHION MEANS INTEGRALLY FORMED IN ONE PIECE WITH AND OF THE SAME MATERIAL AS THE REST OF SAID PLASTIC CYLINDRICAL MEMBER, SAID CUSHION MEANS INCLUDING AN IMPERFORATE WALL SPACED UPWARDLY FROM THE LOWER END OF SAID UNITARY CYLINDRICAL MEMBER, A CIRCUMFERENTIALLY CONTINUOUS SKIRT MEANS INTEGRAL WITH AND PROJECTING REARWARDLY FROM SAID IMPERFORATE WALL, SAID WALL AND SKIRT MEANS BEING POSITIONED ADJACENT THE CHARGE OF PROPELLANT POWDER SO THAT THE SKIRT MEANS PARTIALLY ENCLOSES A PORTION OF SAID PROPELLANT CHARGE AND ACTS AS A GAS SEAL THEREFOR, A SHOT CARRIER INTEGRALLY FORMED IN ONE PIECE WITH AND OF THE SAME MATERIAL AS SAID CUSHION MEANS AND EXTENDING IN A DIRECTION OPPOSITE TO THE SKIRT MEANS, SAID SHOT CARRIER COMPRISING AN OPEN-ENDED, THIN-WALLED TUBULAR PORTION WHICH ENCLOSES AT LEAST THE MAJOR PORTION OF THE SHOT CHARGE, AND A PLURALITY OF CIRCUMFERENTIALLYSPACED LONGITUDINAL SLITS IN SAID TUBULAR WALL PORTION EXTENDING FROM THE OPEN END OF SAID TUBULAR PORTION TO POINTS ADJACENT SAID CUSHION MEANS.