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A linear charge system (100) for applying a destructive explosive charge to a barrier structure; said system comprising a charge carrier (101) and an explosive charge element (120) assembled within said charge carrier (101); said explosive charge element (120) adapted to effect a directed explosive

A linear charge system (100) for applying a destructive explosive charge to a barrier structure; said system comprising a charge carrier (101) and an explosive charge element (120) assembled within said charge carrier (101); said explosive charge element (120) adapted to effect a directed explosive charge for the penetration of a said barrier in which a tamping fluid forms at least a portion of a penetrating agent.

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1. A linear charge system for applying a destructive linear explosive blast to a barrier structure; said system comprising a charge carrier and a linear explosive charge assembled within said charge carrier; said linear explosive charge adapted to effect a directed linear explosive blast for the pen

1. A linear charge system for applying a destructive linear explosive blast to a barrier structure; said system comprising a charge carrier and a linear explosive charge assembled within said charge carrier; said linear explosive charge adapted to effect a directed linear explosive blast for the penetration of a said barrier in which a tamping fluid forms at least a portion of a penetrating agent, and wherein said charge carrier is comprised of an elongate body of hollow section polymeric material; said elongate body provided with a sealing end cap at a first end and a filler end cap at a second end; said filler end cap provided with an aperture and closure means adapted to allow the filling of said body with said tamping fluid, and wherein the internal walls of said elongate body are coated with a gelling agent adapted to modify said tamping fluid into a tamping gel when said fluid is added to said elongate body. 2. The linear charge system of claim 1, wherein at least a portion of said tamping fluid is rearward of said linear explosive charge. 3. The linear charge system of claim 1, wherein at least a portion of said tamping fluid is forward of said linear explosive charge. 4. The linear charge system of claim 1, wherein said barrier structure includes domestic and commercial metal roller doors, metal doors, fire doors, reinforced timber doors and glass doors. 5. The linear charge system of claim 1, wherein said elongate body is provided with an adjustable foot element adapted to provide a height adjustment facility to said elongate body. 6. The linear charge system of claim 1, wherein said elongate body is provided with an adjustable hinged brace. 7. The linear charge system of claim 1, wherein said elongate body is provided with flexible magnetic strips disposed along portions of the front face of said body, said strips adapted to attach said charge carrier to a ferrous metal surface. 8. The linear charge system of claim 1, wherein said elongate body is provided with internal guide rails adapted to accept said linear explosive charge; said linear explosive charge comprising a loading card sliding into selected said internal guide rails as a sliding fit. 9. The linear charge system of claim 8, wherein said loading card comprises an elongate polymeric extrusion having front and rear wall separated by transverse dividing elements so as to form a number of longitudinal passages through the length of said loading card. 10. The linear charge system of claim 8, in which said loading card is provided with a series of slots and holes disposed at each end of said card; said holes and slots adapted to accept and retain a winding of detonating cord laid along the front face of said card so as to form said linear explosive charge. 11. The linear charge system of claim 10, wherein said linear explosive charge includes a flexible frangible explosive cutting sheet; said flexible frangible explosive cutting sheet placed in front of said detonating cord. 12. The linear charge system of claim 10, wherein said linear explosive charge comprises a flexible frangible explosive cutting sheet, the matrix of said cutting sheet containing a distributed explosive agent; said flexible frangible explosive cutting sheet positioned along said front face of said loading card. 13. The linear charge system of claim 8, wherein said elongate body, said sealing end cap, said filler end cap, said loading card, and said linear explosive charge are provided disassembled for assembly at a site for use.