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Dosing unit and dosing device for powdery or granular dosing materials

A dose-dispensing, granular technology used in instruments, measuring volumes, solid materials, etc. to achieve simple design and manufacture

Active Publication Date: 2016-06-29
METTLER TOLEDO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, said arrangement has the disadvantage that by passing through the slit-shaped outlet, the actuator prevents the lips of the slit from closing tightly near the actuator, leaving a small leak in this area
However, there may also be leaks caused by larger particles trapped between the closed lips

Method used

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  • Dosing unit and dosing device for powdery or granular dosing materials
  • Dosing unit and dosing device for powdery or granular dosing materials
  • Dosing unit and dosing device for powdery or granular dosing materials

Examples

Experimental program
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Effect test

Embodiment Construction

[0029] Figure 1A A dosage-dispensing unit 100 according to the invention with a housing 101 is schematically illustrated in a vertical sectional view. Inside the housing 101 , a reservoir chamber 102 is formed to hold a dosage material 140 . The housing 101 has a bottle-like design and has an opening 105 through which the tank chamber 102 can be filled. After the tank cavity 102 has been filled with dosage material 140 , the housing 101 is connected by means of the mounting ring 103 to the dispensing head 104 of elastomeric material in such a way that the dispensing head 104 completely covers the opening 105 . In this common type of dosage-dispensing unit, after the dispensing head 104 has been coupled to the housing 101, the reservoir cavity 102 also extends into the dispensing head 104, since the dispensing head 104 comprises a connecting flange 106 and a slit-shaped outlet opening 107. The connecting flange 106 serves as a connecting area, and a slit-shaped outlet hole 10...

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PUM

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Abstract

The invention relates to a dosage-dispensing unit for powdery or granular dosage materials, comprising a housing, at least one reservoir chamber formed inside the housing and at least one dispensing head containing an elastomeric material, the reservoir chamber being formed inside the housing and functioning as to the effect of the received dose material. The dispensing head has an outlet, which in its undeformed state is slit-shaped and delimited by a first outlet lip and a second outlet lip, and which can be opened to an openable position by applying lateral pressure. variable width. Said arrangement also comprises at least first motion transmission means designed to transmit an oscillating motion to the first outlet lip relative to the second outlet lip and in the longitudinal direction of the second outlet lip.

Description

technical field [0001] The invention relates to a dosage-dispensing unit for granulated or powdered substances. [0002] Dosing units of this type serve to dispense metered doses of substances with high precision. This involves delivering the desired quantity of substance from the dosage-dispensing unit into the target container. In many cases, said target container is placed on a balance to weigh the amount of substance expelled from the dosage-dispensing unit, so that the substance can then be processed according to given instructions. Background technique [0003] A dosage-dispensing unit described in EP0527976B1 comprises a housing with a receptacle for dosage material and with a dispensing head consisting of an elastomeric material. The dispensing head is designed like a nipple of a baby bottle and has a slit-shaped outlet which can be opened from the outside by applying lateral force or pressure from two opposite sides. To prevent the dosing material from agglomerat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65B1/30
CPCG01F13/001
Inventor L·伯勒尔
Owner METTLER TOLEDO INC