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Device and method for marking plastic containers

A technology for plastic containers and markings, which is used in the inspection of the correctness of markings, the manufacture of containers, and rigid/semi-rigid containers, and can solve problems such as measurement difficulties.

Active Publication Date: 2009-12-30
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another problem that may arise is that both the container and the product may be transparent
In addition, external light and small roughnesses may cause difficulties when measuring

Method used

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  • Device and method for marking plastic containers

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Embodiment Construction

[0024] figure 1 A device 1 for marking plastic containers 10 according to the invention is shown. Here, reference 6 refers to conveying means, such as a conveyor belt, which transports the containers 10 along a predetermined conveying path T. As shown in FIG. However, it is also possible for the containers 10 to be transported not by means of the conveyor belt 6, but eg by means of a plurality of grippers.

[0025] Marking 2 refers to the marking device, which is designed to use a laser to print on an area of ​​the container, in this embodiment, the neck area of ​​the container 10 .

[0026] However, it is also possible for the marking device 2 to print on the bottom or central region of the container. Downstream of this marking device 2 in the transport direction of the containers, a checking device 4 is provided for checking whether markings 7 have been printed on the containers. If this marking 7 has already been printed on the container, the corresponding position of th...

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PUM

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Abstract

The device (1) has a labeling unit (2), which affixes a label (7) on the container (10). The device has a checking unit (4), which checks the existence of the label on the container. The checking unit (4) has a temperature sensitive sensor (5).

Description

technical field [0001] The present invention relates to apparatus and methods for making plastic containers. Background technique [0002] In the prior art, it is well known that plastic containers such as polyester (PET) bottles are stamped in various ways. For example, it is known to print colored stamps on plastic bottles, and it is also known to print stamps on containers to mark an expiration date. In the present invention it is advantageous to detect whether these impressions have actually been printed on the container. [0003] A method and a device for applying a laser beam to moving containers are known from patent EP 0 539 735 A1. In this invention, a laser beam is used on returnable PET bottles in order to inspect the bottle and / or read the code on the bottle. However, there is no reference in this document to a test to determine whether a code is actually present on the bottle. [0004] A testing device for plastic bottles is known from patent EP 0 295 371 B1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65B61/26B65B61/02B65B57/02G06K5/02B31B50/00
CPCG06K5/00
Inventor 斯特凡·皮亚纳
Owner KRONES AG
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