Patent ID: 8647115

Claim:
A syringe for dispensing a multi-component material, the syringe comprising: a syringe cartridge having a first end and a second end, and respective compartments for components of the multi-component material; a static mixer connected to the first end of the cartridge, the mixer having a dispensing outlet; and a plunger assembly that is movable into the syringe cartridge at the second end to dispense material from the first end; wherein the connection between the static mixer and the first end of the syringe cartridge comprises a flow-directing mechanism configured to be selectively positioned between a venting position in which each of the cartridge compartments is cut off from the static mixer and at the same time is in communication independently with a respective venting outlet, and a dispensing position in which each of the cartridge compartments is in communication with the static mixer and at the same time is cut off from the respective venting outlet.