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US 2012/0267394 A1Published application
Impression material delivery system
AssigneeDENTSPLY International Inc.
InventorsPaul Richard PIERSON, Tony BONANNO, Robert PIERONI
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a device suitable for the delivery of dental materials, such as impression material. The device disclosed herein includes a cartridge that has at least two separate pouches and a spout.
Claims9
A cartridge, comprising:
- a first pouch and a second pouch,
- the first pouch having a first connector piece therein such that a fin portion of the first connector piece is inside and attached to the first pouch,
- the second pouch having a second connector piece therein such that a fin portion of the second connector piece is inside and attached to the first pouch,
- the first connector piece has a D-shaped connector portion that is connected to a D-shaped connector portion of the second connector piece via interlocking members to for a single connector thereby connecting the first pouch to the second pouch,
- wherein each D-shaped connector portion has one spout such that the cartridge is capable of expelling one material from the first pouch and a second material from the second pouch.
2 more elements
A dispenser, comprising:
- an outer housing having a trigger and a door suitable to access at least two roller rack assemblies inside of the housing,
- each of the at least two roller rack assemblies include a roller having a pinion on each side such that each pinion is located between a pinion gear track and a worm gear, and
- upon activation from the trigger, the roller advances along a length of the pinion gear track and worm gear.
The dispenser according to claim 8, wherein the worm gears are rotated simultaneously with a central drive shaft.
A dispensing system comprising a cartridge and dispenser,
- where the cartridge comprises a first pouch and a second pouch, the first pouch having a first connector piece therein such that a fin portion of the first connector piece is inside and attached to the first pouch, the second pouch having a second connector piece therein such that a fin portion of the second connector piece is inside and attached to the first pouch, the first connector piece has a D-shaped connector portion that is connected to a D-shaped connector portion of the second connector piece via interlocking members to for a single connector thereby connecting the first pouch to the second pouch, wherein each D-shaped connector portion has one spout such that the cartridge is capable of expelling one material from the first pouch and a second material from the second pouch, and
- where the dispenser comprises an outer housing having a trigger and a door suitable to access at least two roller rack assemblies inside of the housing, each of the at least two roller rack assemblies include a roller having a pinion on each side such that each pinion is located between a pinion gear track and a worm gear, and upon activation from the trigger, the roller advances along a length of the pinion gear track and worm gear.
Dependencies are inferred from the claim text.