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Container blowing method

A container and bottle body technology, applied in the field of container blowing, can solve problems such as high cost and increase pollution risk, and achieve the effects of low cost, avoiding pollution risk and saving equipment

Inactive Publication Date: 2020-12-08
JIANGSU NEWAMSTAR PACKAGING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods are not only relatively expensive, but also secondary processing is likely to increase the risk of pollution

Method used

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  • Container blowing method

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Embodiment Construction

[0019] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0020] see figure 1 Shown, above-mentioned a kind of container blowing method is used for blowing the preform 1 of PET material, comprises the following steps:

[0021] Under sterile conditions:

[0022] (1) In the P1 stage, put the preform 1 into the mold 4, extend the stretching rod 3 from the mouth of the preform 1 to the bottom of the preform, the stretching rod 3 stretches the preform 1, and at the same time, the low-pressure air Pass in the bottle base 1, the bottle base 1 is pre-blown, the stretch rod 3 carries out axial expansion to the bottle base 1, and the low-pressure gas carries out the radial expansion to the bottle base 1; In the present embodiment, the low-pressure gas is gaseous acetylene.

[0023] (2) In the P2 stage, the high-pressure gas is passed into the preform 1, and the preform 1 is completely pressed against the in...

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Abstract

The invention discloses a container blowing method. The container blowing method comprises the following steps of: (1) stretching a stretching rod into a bottle blank in a mold, stretching the bottleblank, and pre-blowing the bottle blank through low-pressure gas; (2) blowing the bottle blank into a bottle body through high-pressure gas; and at least one of the low-pressure gas and the high-pressure gas being a gas which can be ionized into plasma particles; and (3) ionizing the gas in the blow-molded bottle body, so that the plasma particles generated in the bottle body being deposited on the inner wall of the bottle body to form a coating. According to the container blowing method, equipment for coating after bottle body forming is omitted, and the cost is relatively low; the bottle body and the coating are formed at a time, so that the pollution risk increased by secondary processing is avoided; and the prepared bottle body has good light-blocking, oxygen-blocking and permeation-blocking properties, and can be used for filling beer and milk.

Description

technical field [0001] The invention relates to the technical field of bottle blowing machines, in particular to a container blowing method. Background technique [0002] Polyester (PET) is one of the main raw materials in the field of beverage packaging. It has the advantages of good transparency, stable chemical properties, light weight and low price, and good recyclability. The shape of the packaging can be diversified and has good physical properties. performance. With the development of PET containers, PET bottles have gradually replaced various types of bottles, such as glass bottles, bags, etc.; however, due to the weak light-blocking and oxygen-blocking properties of PET bottles, and a certain degree of air permeability, they have not been able to be used in beer. , milk products and other industries. [0003] In this regard, some PET modified materials have gradually appeared on the market to adapt to beer, milk products and other products, such as (1) multi-layer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C49/46B29C49/58
CPCB29C49/46B29C49/58B29C2049/5834B29L2031/7158
Inventor 叶鹏沈军钱志兵
Owner JIANGSU NEWAMSTAR PACKAGING MACHINERY
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