Patent attributes
A system for dispensing material contained in a collapsible package from a dispensing device. The system includes a piercing nozzle attachable to a dispensing end of the dispensing device, and a plunger attachable to a plunger rod of the dispensing device configured to compress the package against the piercing nozzle. The piercing nozzle includes a nozzle sidewall and a nozzle end wall defining an internal nozzle cavity configured to receive a first end of the package. One or more recessed members extend into the internal nozzle cavity in part from a recessed member. The piercing projection pierce the package when compressed thereagainst, allowing the material in the package to be dispensed through a nozzle opening. An internal nozzle rib can extend across a nozzle opening defined through the nozzle end wall.