Multicomponent cartridge for one-time use

A multi-component, cartridge technology, which is applied to the device for coating liquid on the surface, medical science, dentistry, etc., can solve the problems of less sealing problems, the inability to achieve stable quality of filling materials, etc., and achieve the effect of improved reproducibility

Inactive Publication Date: 2010-08-18
SULZER MIXPAC AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] A multi-component cartridge of coaxial design also shown in DE 20 2008 007 801 U1 may have fewer sealing problems, however, the problem of inhomogeneous mixing remains
The consequence of non-homogeneou

Method used

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  • Multicomponent cartridge for one-time use
  • Multicomponent cartridge for one-time use
  • Multicomponent cartridge for one-time use

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0046] figure 1 A first embodiment of a multi-component cartridge designed for single use according to the present invention is shown. Specifically, such multi-component cartridges are used to dispense small and very small amounts of filling material. The multi-component cartridge 1 includes a first supply cavity 6 for the first component 8 and a second supply cavity 7 for the second component 9. The first supply chamber 6 is isolated from the second supply chamber 7 so that the two components do not come into contact with each other. These components usually react with each other once they come into contact with each other, in which chemical reactions can occur. The interaction of components is usually the effect required in the application, but as long as the components have not been used within their defined application range, this interaction is unnecessary. Therefore, before using the multi-component cartridge, it is actually sometimes necessary to store and transport th...

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PUM

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Abstract

A multicomponent cartridge (1) for one-time use, comprises a first supply chamber (6) for a first component (8), and a second supply chamber (7) for a second component (9), which are separate. The first supply chamber (6) is arranged coaxially around the second supply chamber (7) to form a circular space (10), wherein a first piston (3) is movably arranged in the first supply chamber (6) while a second piston (4) is movably arranged in the second supply chamber (7). A plunger (5) simultaneously moves the first piston (3) and the second piston (4) to simultaneously discharge two components (8, 9). A guide element (11) is arranged to guide the first piston (3) in the first supply chamber (6) and the second piston (4) in the second supply chamber (7). The guide element (11) includes a discharge opening (13) for discharging the first component (8) out of the first supply chamber (6), and is mounted in a housing (2). A movement element (12) moves the guide element (11) relative to the housing (2) such that a discharge opening (13) is opened.

Description

technical field [0001] The present invention relates to a multi-component cartridge for single use, which is suitable for the simultaneous discharge of two components which are ready to be mixed before use. Background technique [0002] Such a multi-component cartridge is already known from DE 20 2008 007 801 U1. [0003] A disadvantage of the above described devices is that a large number of components must be used. Multi-component cartridges according to the prior art are designed both for single use and for multiple uses. However, it has been shown that after multiple uses of such multi-component cartridges the mixing may be uneven and once such a multi-component cartridge has been used for the first time it may be difficult to seal it. For this reason, multi-component cartridges which have already been used once can only be stored to a limited extent. Due to poor sealing, the filling material comes into contact with air and its properties can thereby be changed, that ...

Claims

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Application Information

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IPC IPC(8): B05B7/04B05B7/26
CPCB05C17/00576B05C17/00559B05C17/00553B05C17/0146A61C5/064A61B2017/00495A61C5/64
Inventor A·斯陶布P·勒
Owner SULZER MIXPAC AG
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