Blowing apparatus for expanding containers

A technology for blow molding equipment and blow molding containers, which is used in the fields of blow molding containers and blow molding equipment to ensure the effect of sealing

Active Publication Date: 2010-08-11
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to improve the blow molding process of a plastic container, in particular to improve the seal between the blow molding device and the container, without deforming the preform

Method used

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  • Blowing apparatus for expanding containers
  • Blowing apparatus for expanding containers
  • Blowing apparatus for expanding containers

Examples

Experimental program
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Embodiment Construction

[0035] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0036] figure 1A blow molding device 1 according to a first embodiment of the invention is shown. The blow molding device 1 includes a blow molding piston 2 . The blowing piston 2 is moved by means of a guide cam (not shown) into a specific (end) position in which a preform is supplied with compressed air and thus inflated into a container 10 . The container 10 is placed in a blow mold (not shown) with the aid of a central disc 30 . Reference 32 indicates a protrusion on the central disk 30 which supports the support ring 10b of the container. Reference 10a indicates the entire opening of the container 10 . A screw thread 10c and a promotion ring 10d are provided on the opening 10a.

[0037] A guiding device 4 is detachably mounted on the blow molding piston 2 . A blowing nozzle 6 ...

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PUM

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Abstract

The invention relates to a blowing apparatus (1) for expanding containers (10) with a gaseous medium, having a blowing piston (2) and having a blowing nozzle (6) by means of which the container (10) is expanded with the gaseous medium. According to the invention, the blowing piston (6) can be moved in a longitudinal direction (L) of the blowing nozzle (6), wherein the blowing nozzle (6) is movable in the longitudinal direction (L) with respect to the blowing piston (2), and a guide device (4) is provided, the guide device guiding the movement of the blowing nozzle (6) in the longitudinal direction (L) in relation to the blowing piston (2).

Description

technical field [0001] The invention relates to an apparatus for handling containers, in particular to a blow molding apparatus for blow molding containers. The invention also relates to a method for blow molding containers. Background technique [0002] A kind of container production method that adopts a blowing nozzle to blow mold various containers is disclosed in the prior art. Furthermore, the respective workpiece is heated and then compressed air is applied through a blowing nozzle at a pressure in the range of approximately 40 bar. The container is blown by the pressure. In the prior art, during the blow molding process, ie blow molding of the container by means of compressed air, the blow molding device is sealed from the container so that the container can be properly blown. The seal is thus produced eg at the upper edge of the container opening or below the opening edge. [0003] The opening here can be understood as a part of the preform which has a collar and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C49/58
CPCB29C2049/5868B29C2049/4294B29C49/58B29C2049/5817B29C49/06B29C2049/5803B29C2049/5893B29C49/42087B29C2049/5898B29C2949/0715
Inventor 沃尔夫冈·施佩卡埃里克·布洛赫曼弗洛里安·格尔丁赫尔
Owner KRONES AG
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