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Blow molding device (1) of containers

A technology of blow molding equipment and containers, which is applied in the field of blow molding equipment for containers, can solve problems such as complex equipment, and achieve the effect of improving the sealing effect

Inactive Publication Date: 2014-07-23
KRONES AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the equipment used in this method is very complicated. It not only needs a relatively narrow container mouth, but also needs to use horizontal strips to enable the preform to extend along its axial direction.

Method used

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  • Blow molding device (1) of containers
  • Blow molding device (1) of containers
  • Blow molding device (1) of containers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052] figure 1 A partial schematic view of a blow molding plant 1 for containers 10 is shown. Figure 1-4 Shown separately is the left half of the device of the invention. The container 10 is clamped in the blow mold 30 . The container 10 is inflated by blowing compressed air to the inner wall of the blow mold 30 .

[0053]The device has a blowing nozzle 4 which is placed on the container opening 10a into which a gaseous medium, in particular compressed air, can then be blown.

[0054] exist figure 1 In the preferred embodiment, the mouthpiece 4 has a device body 6 which can rest against the mouth 10a of the container. Wherein the device main body 6 can completely surround the circumference of the container opening 10 a of the container 10 , and basically cover the container opening along the axial direction L of the container 10 .

[0055] The device body 6 has a clamping device 12 which is capable of clamping in its interior at least one region of the container opening...

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PUM

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Abstract

The invention relates to a blow molding device (1) for blowing containers (10) by means of a gaseous medium, the device having a blowing nozzle device (4) which blows a gaseous medium into the container (10), wherein the blown The mouth device (4) has a device body (6) which rests against the container mouth (10a) of the container (10), and the device body (6) has a clamping device (12) which supports the container mouth ( 10a) and the clamping device also has a surrounding wall (14), which completely surrounds the container mouth (10a) in the circumferential direction of the container mouth (10a) during the blow molding process, and the device body also has a ring Shaped bead (18), said bead is placed on the top of the clamping device (12), and can be attached to an upper edge (10b) of the container mouth (10a), so that the inner space of the bead (18) is placed relative to the bead (18) The outer space is sealed.

Description

technical field [0001] The invention relates to a blow molding device for containers. Background technique [0002] It has long been known to blow mold preforms into plastic containers by means of air pressure. In the blow molding process, the preform is fixed in a blow mold and is expanded into a plastic container by means of a blowing nozzle. Devices are known in the prior art, the mouthpiece of which seals against the support ring of the container and thus achieves the sealing of the preform. [0003] In recent years, efforts have been made to reduce the material consumption in terms of the support rings used for said preforms, or to dispense with the use of such support rings altogether. In this case, it is no longer necessary to use a support ring to achieve a seal between the preform and the blowing nozzle, or only a support ring with a small radial extension. [0004] European patent EP 1 453 653 B1 discloses a blow molding device for blow molding thermoplastic pol...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C49/28B29C49/58B29C49/42B29C49/48B29L22/00
CPCB29C2049/5827B29C49/06B29C2049/4294B29C49/58B29C2949/0715
Inventor 鲁珀特·迈因茨英格
Owner KRONES AG