Device and Method for the Quantity-Controlled Filling of Containers with Powdered Substances

Inactive Publication Date: 2009-03-05
UHLMANN VISIOTEC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0017]So that the containers can be filled reliably and accurately with the correct quantity of powdered substance, the quantity of powdered substance is determined within a time window of less than approximately 50 ms, and preferably a time window of

Problems solved by technology

The system suffers from the problem of a long weighing time for small quantities of powder.
Furthermore, the system can not be used in the area of antiseptic or sterile product

Method used

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  • Device and Method for the Quantity-Controlled Filling of Containers with Powdered Substances
  • Device and Method for the Quantity-Controlled Filling of Containers with Powdered Substances
  • Device and Method for the Quantity-Controlled Filling of Containers with Powdered Substances

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Embodiment Construction

[0021]FIG. 1 is a schematic view of an exemplary embodiment of the inventive device for the controlled filling of containers with powdered substances. The device comprises a supply vessel 2, which is at least partially filled with a powdered substance 4. Supply vessel 2 is preferably clamped in a holder (not shown), which is mounted so that it is free to rotate. Supply vessel 2 is preferably made of high-grade steel, but many other materials such as glass, ceramic or other metals are which are also contemplated herein. In a preferred embodiment shown in FIG. 1, supply vessel 2 comprises at its lower end a capillary 5, which tapers to a point at the bottom, where a narrow exit opening 6 is located. The length and diameter of capillary 5 can be adapted to powdered substance 4 and to the geometry of the container 7 to be filled. Supply vessel 2 can also be of a two-part design in order to make it easier to replace capillary 5 with one of a different size, material, configuration or the...

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Abstract

A device for the controlled filling of containers with powdered substance includes a supply vessel with a narrow exit opening for temporarily holding the powdered substance and for discharging a predetermined quantity of the powdered substance into a container located underneath the supply vessel, a vibrator means is connected to the supply vessel for effecting the discharge of the powdered substance. A sensor for determining the quantity of powdered substance discharged from the supply vessel into the container, and a control unit, which converts the data acquired by the sensor into control commands for the vibrator means is included. The sensor includes a capacitive sensor for the quantitative determination of the quantity of powdered substance falling there through during the filling process and is located between the supply vessel and the container.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority based on European patent applications EP 07 017 104.6, filed Aug. 31, 2007, and EP 08 014 296.1, filed oil Aug. 11, 2008.FIELD OF THE INVENTION[0002]The invention pertains to a device and to a method for the controlled filling of containers with powdered substances.[0003]Strict quality criteria must be met in the production of powdered pharmaceutical products. Various inspection methods test the powdered substances to determine, for example, their active ingredient or other content before they are packaged in their final containers. Blister packs are used for this purpose among other types of packaging methods.[0004]To exclude errors during the final step of filling the containers, a sensor is used to verify the quantity of material in the pockets of a blister pack. This sensor is described in EP 1 193 77 A1. After the sensor has checked the quantity of material in the pockets of the blister pack, the pock...

Claims

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Application Information

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IPC IPC(8): B65B1/04
CPCB65B1/08B65B1/30B65B1/36G01F15/003G01F1/64G01F13/001B65B1/48
Inventor MERTENS, RICHARDPRINZ, HEINOSEYFANG, KARLHEINZ
Owner UHLMANN VISIOTEC
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