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Device and method for sterilising plastic parisons

A technology for plastic parisons and plastic containers, which can be used in disinfection, chemistry, etc., and can solve problems such as danger

Inactive Publication Date: 2011-07-13
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, devices of this type often require very precise shielding so that very dangerous electron beams or ultraviolet beams do not penetrate to the outside world

Method used

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  • Device and method for sterilising plastic parisons
  • Device and method for sterilising plastic parisons

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] figure 1 is a rough schematic diagram of a device according to the invention.

[0031] The device 1 has a feeding device 2 which supplies parisons 10 to a heating device 4 in a timed manner or in precise distribution. In this case the heating device 4 has a plurality of heating elements 6 which are each arranged on the outside of the parison 10 in the longitudinal direction of the heating device. Reference numeral 12 designates a conveying device, such as a continuous conveying chain of a corresponding conveying container 10 through the heating device 4 . A conveying device 14 or a subunit 14 of a conveying device follows the heating device 4 . The conveying device 14 is a so-called distribution delay star wheel, by means of which, for example, the distribution between the parisons 10 can be altered. The reference T designates a conveying path along which the plastic parisons 10 or the subsequent plastic containers 20 are conveyed.

[0032] The conveying device 14 i...

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PUM

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Abstract

The invention relates to a device (1) for producing plastic containers (20), comprising a heating element (4) for heating plastic parisons, a transport system (12, 14, 16, 18) for transporting the plastic parisons (10) along a pre-defined transport path (T), and a shaping element (8) arranged along the transport path, downstream of the heating device (4), said shaping element shaping the plastic parisons to form plastic containers. According to the invention, the device (1) has a sterilisation element that applies a free-flowing medium to a wall of the plastic parisons (10) in order to sterilise said wall, the sterilisation device being arranged along the transport path of the containers such that the sterilisation takes place after the heating process applied to the containers in the heating device (4) and before the end of the shaping process in the shaping element.

Description

technical field [0001] The invention relates to a device for producing containers. Background technique [0002] Apparatus for producing plastic containers are well known in the prior art. In this case, the plastic parison is usually first heated and then expanded by a molding device, in particular a blow molding device, to form the plastic container. Sterilization of plastic containers is required in many applications, especially in the case of sensitive beverages, such as fruit juices or milk or even pharmaceuticals. [0003] In the prior art it is usual to sterilize the blow-molded container, in this case in particular the inner wall of the container. A disadvantage of this container sterilization process is that the container already has a relatively large surface and requires a large amount of sterilizing agent, such as hydrogen peroxide gas, for this reason. [0004] In the prior art, there has been a partial shift from sterilizing plastic containers to sterilizing ...

Claims

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Application Information

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IPC IPC(8): B29C49/42B29C49/46
CPCB29C49/42B29C49/46B29C49/12B29C2791/005B29C49/4205B29C2049/4697B29C2049/4635A61L2/208A61L2/22B29C49/4252A61L2202/23B29C49/42095B29C49/42405B29C49/42418B29C49/36B29C2049/4679B29C49/42414
Inventor 帕特里克·安吉哈德迈克尔·达曼恩奥利弗·马天尼
Owner KRONES AG
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