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Dispensing device

A technology for dental materials and components, applied in the field of multi-component dental impression materials, can solve problems such as difficult synchronization, and achieve the effects of reliable installation, economical design, and overall volume reduction.

Inactive Publication Date: 2008-03-05
3M INNOVATIVE PROPERTIES CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to such mixing ratios, it may be difficult to synchronize or advance the drive members in precise mutual ratios

Method used

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Examples

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Embodiment Construction

[0058] Figures 1 and 2 show partial views of a prior art dispensing device 10 for mixing and dispensing multi-component dental substances. The device 10 is similar to the Pentamix on the market manufactured by 3M-ESPE AG Seefeld, Germany TMOne of the mixed units. The dispensing device 10 essentially comprises two adjacent parallel zones 11, 12 adapted to contain the substance, the drive unit comprising two plungers 13, 14, as force transmission members, displaceably placed in the material zones 11, 12 respectively. The substance contained in the zones 11 , 12 is moved in a forward direction, a motor (not shown) drives the plungers 13 , 14 , and a mixing nozzle 15 is in fluid communication with the front ends of the material zones 11 , 12 . The rear ends of the plungers 13,14 are rigidly connected by a cross member 16 to ensure that the plungers 13,14 are driven into the material zones 11,12 simultaneously. Each plunger 13, 14 comprises a plunger head and a plunger rod.

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PUM

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Abstract

The present invention is related to a devices, systems and methods for dispensing multiple-component flowable dental substances. In particular, the present invention is directed to device for dispensing at least one flowable dental substance, comprising at least one force transmitting member adapted to a) transmit a pushing force in a direction toward or opposite the substance and b) be gathered non-linearly. In particular, the present invention is directed to dispensing materials such as multiple-component dental materials used for making dental impressions.

Description

technical field [0001] The present invention relates to devices, methods and systems for dispensing multi-component flowable dental materials. In particular, the present invention relates to the dispensing of multi-component dental impression materials for making dental models. Background technique [0002] Devices for dispensing single and multiple component flowable substances are well known in the art. [0003] For example, several hand-held dispensing devices designed for dispensing flowable construction materials such as fillers, adhesives, and the like are known in the art. For example, German Patent No. 3437306 describes a motor-driven, single-component hand-held device for dispensing build materials such as sealant, adhesive or putty. The device includes a region for receiving a cartridge containing construction material, and a drive member for pushing said material forwardly from the forward end of the cartridge. Unlike the usual use of a rigid piston as the driv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C17/01A61C9/00B67D7/70A61C5/64B01F23/47B67D7/60
CPCA61C9/0026B05C17/00553A61C5/064B05C17/0109B05C17/0113A61C5/64A61C9/00B05C17/01
Inventor 曼弗雷德·哈雷英戈·瓦格纳迪尔克·米勒
Owner 3M INNOVATIVE PROPERTIES CO
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