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Method and device for inspecting containers

A technology of containers and conveying devices, which is applied in the field of inspection containers and can solve the problems of liquid refilling and so on

Inactive Publication Date: 2008-07-02
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when working at a low production rate, the problem arises that the rotation of the liquid may already be so low by the time it reaches the test device that no foreign matter is raised.

Method used

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  • Method and device for inspecting containers
  • Method and device for inspecting containers

Examples

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Embodiment Construction

[0036] The device for inspecting filled and sealed containers, in the present case beverage bottles, shown schematically in FIG. 1 is specially designed for inspecting bottles made of transparent or translucent material. The bottles F to be inspected are preferably fed continuously to an inlet star wheel 2 via an inlet conveyor 1 , for example on an upstream bottle filling and sealing machine.

[0037] In this case, before being taken over by the inlet star wheel 2, the bottles pass through a permanently arranged inlet inspection 9, which checks the presence of a seal and, if necessary, also the filling level. In order to avoid excessive acceleration of the container, which in turn could lead to contamination of the testing device by liquid escaping from the unsealed bottle, these defectively sealed bottles F are not gripped by the inlet star wheel 2 but only in the tangential direction Pass through and lead to a rear collection point. Do the same with overfull or underfilled...

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PUM

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Abstract

A device for filled and sealed containers (F) comprising a conveying device (3) which conveys the containers (F) a predetermined distance at a conveying speed VTrans and on which a large number of containers (F) are arranged. ) holding elements, wherein these holding elements are respectively rotatable, so that the container (F) rotates around its longitudinal axis, and also includes a control device (13), which controls the container around its longitudinal axis in a predetermined depending on the container The motion curve (P) of the position on the path rotates, wherein the rotation of the container in the first predetermined section (A) on the path is always accelerated to a predetermined maximum rotational speed VRot_max, and the container is rotated on the second path. The rotational deceleration in the predetermined section (C); according to the invention the predetermined motion profile (P) is variable as a function of the conveying speed VTrans of the containers (F).

Description

technical field [0001] The invention relates to a device and a method for inspecting containers and in particular filled and sealed containers. Background technique [0002] Numerous devices and methods for testing containers are known from the prior art. It is known, for example, to test the bottom of a container or its seal. However, there is also a need to check the filled and sealed containers, in particular with regard to the presence of foreign particles such as chips or the like in the filled containers. [0003] A method and a device for inspecting transparent containers and their liquid contents are known from WO 94 / 08230. In the first turntable, the container is rotated completely once about its vertical axis at a low rotational speed, while a video camera is used to observe the side walls in order to detect damage. The speed is then increased in order to swirl the liquid and lift possible foreign objects from the bottom. The rotational movement of the containe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/90
CPCG01N21/9027G01N35/04G01N33/0081
Inventor A·尼德迈尔
Owner KRONES AG
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