Patent ID: 6257448
Filing Date: 2001-07-10
Classification: F41B

Abstract:
A gun assembly comprising:a backpack assembly having a first restricter tube, the first restricter tube having an open first end and a second end;an expandable bladder located within the first restricter tube, the bladder having a first end and a second end, the first end having an opening located at the opening of the first restricter tube and the second end being closed;a supply manifold located at the first end of the first restricter tube and connected to the first end of the bladder whereby the supply manifold is in fluid communication with the bladder, the supply manifold having a discharge end; anda remotely located gun having an ejection nozzle adapted to discharge pressurized fluid from the backpack assembly; and a gun manifold, the gun manifold being in fluid communication with the discharge end of the supply manifold;the gun assembly further comprising a pressure relief valve separate from the ejection nozzle in fluid communication with one of the supply manifold and the gun manifold.