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Bottle sterilization method and device

A sterilizing device and bottle technology, which is applied to household components, applications, household appliances, etc., can solve the problems of bottle whitening, uneven heating, uneven forming, etc., and achieve the effect of not producing whitening and preventing equipment damage

Inactive Publication Date: 2016-06-01
DAI NIPPON PRINTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hydrogen peroxide entering the blow molding machine may cause damage to various parts and equipment such as sealing parts in the blow molding machine
In addition, in order to prevent poor sterilization, when a large amount of condensed mist of hydrogen peroxide solution is blown at the stage of the preform, the amount of hydrogen peroxide solution attached to the preform becomes uneven. Therefore, after heating the preform and until During blow molding, uneven heating occurs on the preform, and molding defects such as whitening, deformation, and uneven molding are likely to occur on the bottle

Method used

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  • Bottle sterilization method and device
  • Bottle sterilization method and device
  • Bottle sterilization method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0074] According to this Embodiment 1, by sterilizing the preform, forming the bottle into a sterile one, filling it with a sterile beverage, and sealing it with a sterile cap, as a finished product, it is possible to manufacture figure 2 Package shown in (G).

[0075] This package includes a sterile bottle 2 and a cap 3 as a cap.

[0076] In this embodiment, the bottle 2 is made of PET, but it is not limited to PET, and may be made of other resins such as polypropylene and polyethylene. Resins that dispense recycled PET can also be used. A male thread is formed on the mouth portion 2a of the bottle 2 .

[0077] The cap 3 is formed by injection molding of a resin such as polyethylene, and a female thread is formed on the inner peripheral surface of the cap 3 simultaneously with the molding.

[0078] The bottle 2 is filled with the sterilized beverage a in a state where the inside thereof has been sterilized in advance. After the beverage a is filled, the cap 3 is covered ...

Embodiment approach 2

[0175] According to this second embodiment, it is also possible to manufacture Figure 13 (K) An aseptic package including a bottle 2 and a cap 3 as shown.

[0176] The above bottle 2 as Figure 10 (A)~ Figure 13 As shown in (K), an aseptic package is formed through sterilization, molding, beverage filling, and sealing.

[0177] Initially, the Figure 10 The preform 1 shown in (A) is conveyed continuously at a desired speed, and the gas G or mist of the sterilizing agent or a mixture thereof is supplied to the moving preform 1 .

[0178] In addition, the sterilant is also supplied in the same manner as in Embodiment 1, and hydrogen peroxide gas G, mist, or a mixture thereof as the bactericide contacts and adheres to the inner and outer surfaces of the preform 1, whereby the adhering to the preform 1 The microorganisms on the surface of the blank 1 are sterilized or damaged.

[0179] In addition, it is also possible to Figure 10 Before blowing the gas G onto the preform...

Embodiment approach 3

[0269] In this Embodiment 3, to Embodiment 2 Figure 10 In the process of supplying the bactericide to the preform 1 shown in (A), use Figure 16 The sterilant supply nozzle 94 is shown instead of the sterilant supply nozzle 6 .

[0270] Such as Figure 16As shown, a pipe 94a extending in a substantially U-shape following the outside of the preform 1 is provided at the sterilant supply nozzle 94, and a discharge port 95 facing the outside of the preform 1 is provided on the pipe 94a. The discharge ports 95 are provided in multiple places so as to face the lower portion of the mouth portion 2 a in the preform 1 so as not to allow hydrogen peroxide as a sterilizing agent to enter the preform 1 .

[0271] Hydrogen peroxide gas G generated by the same generator as the sterilant gas generator 7 used in Embodiment 2 is blown out of the preform 1 from the discharge port 95 of the sterilant supply nozzle 94 to become gas G or mist. Or a mixture thereof is blown onto the outside of ...

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Abstract

A bottle sterilization method that sequentially performs: a step in which disinfectant is caused to adhere to a resin preform (1) and microbes attached to the preform are sterilized, by gasifying the disinfectant and spraying this gas (G) from a nozzle (6) towards the traveling preform; a step in which hot air (P) is blown on to the preform, the disinfectant adhered to the preform is activated, the microbes attached to the preform are sterilized, and the disinfectant adhered to the preform is removed from the preform; a step in which the preform is heated to a blow molding temperature; and a step in which the preform is blow-molded into a bottle (2) inside a blow molding die. As a result, disinfectant is not brought inside a blow molding machine.

Description

technical field [0001] The invention relates to a bottle sterilization method and device. Background technique [0002] At present, a method of sterilizing a bottle has been proposed, in which a preform is coated with a sterilizing agent while continuously moving the preform, and in this state, the preform is introduced into a heating furnace and heated in the heating furnace to a temperature for sterilizing the bottle. The temperature at which the preform is formed into a container, and the drying and activation of the bactericide applied to the preform are simultaneously performed by this heating (Patent Documents 1, 2, and 3). [0003] In addition, a beverage filling method is proposed, which preheats the preform, blows hydrogen peroxide mist or gas to the preheated preform, and then heats the preform to the forming temperature, and preforms the preform that has reached the forming temperature. The preform is molded into a bottle in a blow molding mold that also moves co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C49/42
CPCB29C49/06B29C49/4205B29C2049/4679B29C2049/4892A61L2/186A61L2/22A61L2202/23B29K2067/003B29C49/6418B29C2049/4697B29C49/46A61L2/208B29L2031/7158B29C49/42403B29C49/42418B29C49/42802B29C49/42808B29C49/42822B29C2949/0715B29K2667/003
Inventor 早川睦和田唯子
Owner DAI NIPPON PRINTING CO LTD
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