Blow molding machine cooling base during stabilization phase

A stable and inherent technology for the field of devices for forming plastic preforms into plastic containers

Active Publication Date: 2015-12-23
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of post-cooling the base by water is that the container is then wetted or soaked by water, which in turn poses a problem for subsequent labeling

Method used

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  • Blow molding machine cooling base during stabilization phase
  • Blow molding machine cooling base during stabilization phase
  • Blow molding machine cooling base during stabilization phase

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0083] figure 1 is a rough schematic diagram of the sequence of methods according to the prior art. In this case, a blow molding machine with eight stations A-H is shown roughly schematically. In this case (also in figure 2 ), the letters indicate the following states of the method:

[0084] A: Open the blow mold;

[0085] B: transfer of the plastic preform into the blow mold;

[0086] C: forming a container - especially by applying pressure to it;

[0087] D: The container is complete and held under pressure;

[0088] E: The container is complete and held under pressure;

[0089] F: The container is complete and held under pressure;

[0090] G: The container is lowered (released from pressure);

[0091] H: Transfer the finished container out of the blow mold.

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PUM

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Abstract

The invention relates to a blow molding machine for the production of plastic containers (10), wherein, during the blow molding process, on the one hand blowing air is supplied from a first gas preparation device (22) to the container to be expanded, and on the other hand , or provide blowing air from the second gas preparation device (24) to the container to be expanded. During this process, cooling of the container base additionally takes place.

Description

technical field [0001] The present invention relates to a device and a method for producing plastic containers, in particular to a device and a method for forming plastic preforms into plastic containers. Background technique [0002] Devices and methods of this type are already known from the prior art. Usually the plastic pre-forms are first heated by means of a furnace, and these plastic pre-forms heated in this way are subsequently shaped into containers in blow molding machines, in particular stretch blow molding machines, by blowing air acting on them. In this case, this forming process is a relatively complex process and can usually be divided into several partial steps. In this way, the container is inflated by the preliminary blowing pressure, and then the final blowing pressure is usually applied, and the container finally expanded in this way is maintained at the pressure for a predetermined period of time, so that the deformed state can be stabilized. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C49/30B29C49/64B29L22/00
CPCB29C49/12B29C49/36B29C49/58B29C49/64B29C49/66B29C49/783B29C2049/5841B29C2049/6692B29C49/1212B29C2049/7832B29C49/18
Inventor 彼得·克纳普
Owner KRONES AG
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