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Apparatus for weighing liquid in a bottle, in particular a pharmaceutical bottle

A device and liquid technology, applied in the field of equipment for measuring the weight of liquid in a bottle, can solve problems such as disadvantages and achieve the effect of overcoming time constraints

Inactive Publication Date: 2008-01-09
MG2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] In the case of capsules, on the other hand, the situation is quite the opposite - and thus more disadvantageous - as the dielectric constant of the gel shell is typically 3-4 times that of the drug product

Method used

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  • Apparatus for weighing liquid in a bottle, in particular a pharmaceutical bottle
  • Apparatus for weighing liquid in a bottle, in particular a pharmaceutical bottle
  • Apparatus for weighing liquid in a bottle, in particular a pharmaceutical bottle

Examples

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Embodiment Construction

[0044] It is the object of the present invention to measure liquids using capacitive technology, which requires a special measuring unit 10 as shown in FIG. 2 by way of non-limiting example.

[0045] Bottles FL1 , FL2 , FL3 partially filled with liquid (empty in the case of a simple tare measurement) are fed through the measuring unit 10 .

[0046] The measuring unit 10 in FIG. 2 comprises an actual measuring part 11 (in the center of FIG. 2 ) which is preceded by a first guard part 12 and followed by a second guard part 13 which is located in the first guard. Partially along the downstream position in the direction of travel of the path P, the direction of travel is indicated by the arrow F.

[0047] The measuring section 11 in turn comprises two electrodes EL1 , EL2 located on opposite sides of the traveling bottles FL1 , FL2 , FL3 .

[0048] Each guard portion 12 and 13 comprises a pair of electrodes EL3, EL4 and EL5, EL6 which are held at the same potential as the adjacen...

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PUM

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Abstract

An apparatus for weighing liquid in a bottle (FL1, FL2, FL3), in particular a pharmaceutical bottle (FL1, FL2, FL3). The apparatus has at least one measuring cell (10), and a conveying device for feeding a number of bottles (FL1, FL2, FL3) through the measuring cell (10) along a path (P). The apparatus is characterized in that the measuring cell (10) has an actual measuring section (11) preceded and followed, respectively, by a first guard section (12) and a second guard section (13), which reduce the effect of adjacent bottles on the measurement.

Description

technical field [0001] The invention relates to a device for measuring the weight of liquid in a bottle. [0002] The invention can be advantageously but not exclusively used for filling and sealing vials or other containers (vials, syringes) made of dielectric materials (glass, plastic, ceramics), as described below by way of example only . [0003] In the present invention, the liquid content of the bottle is weighed using capacitive technology, which is specially used in the filling machines commonly used in the pharmaceutical industry, to achieve 100% product dosage control. [0004] The main advantage of using capacitive technology and the measurement process method that the applicant has developed for liquid measurement is that it overcomes the time constraints imposed by mechanical weighing, allowing 100% of the product to be weighed online using low cost equipment. [0005] Where weight control is required, filling machines are commonly equipped with dynamic force me...

Claims

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Application Information

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IPC IPC(8): G01G17/00G01G23/01G01G7/06
CPCG01G17/00G01G7/06
Inventor 埃内斯托·甘贝里尼安东尼奥·塔利亚维尼
Owner MG2
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