Syringes for dispensing multi-component material
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United States of America Patent
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Feb 11, 2014
Grant Date -
Dec 1, 2011
app pub date -
Feb 8, 2010
filing date -
Feb 13, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A syringe for dispensing a multi-component material. The syringe can include a 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. A connection between the static mixer and the first end of the syringe cartridge includes a flow-directing mechanism having a venting position in which the cartridge compartments are cut off from the static mixer and are in communication independently with respective venting outlets, and a dispensing position in which the cartridge compartments are in communication with the static mixer and are cut off from the venting outlets.
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