Dispensing cartridge

a technology of dispensing cartridges and cartridges, which is applied in the direction of liquid/fluent solid measurement, containers, dental prosthetics, etc., can solve the problems of low shrinking rate, little ability to form shrink marks, and plastic materials that are difficult to handle in injection moulds to achieve the effect of improving stability
US20050049558A1Inactive Publication Date: 2005-03-033M ESPE
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
3M ESPE
Publication Date
2005-03-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a dispensing cartridge, particularly for dental impression materials, formed from a plastic material having at least one inlet and at least one outlet, and comprising a metal reinforcement tube.
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Description

FIELD OF THE INVENTION

[0001] This application claims priority from EP Application No. 03013831.7, filed Jun. 18, 2003.

[0002] The present invention relates to a dispensing cartridge, particularly for dental impression materials, of the type adapted to be releasably received in an applicator having a moveable plunger. BACKGROUND OF THE INVENTION

[0003] A number of dispensing devices are available for dispensing various types of materials. In many instances, the dispensing device is an assembly that includes a reusable dispenser or applicator and a disposable cartridge. The cartridge contains a quantity of a composition or material to be dispensed and is releasably received in a receptacle of the applicator.

[0004] In one type of dispensing devices, that include an applicator and a cartridge, the applicator has a plunger that is advanced by the user during a dispensing operation. Often, the plunger is received in an open end of the cartridge and bears against a piston within the cart...

Claims

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