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Water filling method, water filling system and water filling bottle

A filling method and filling system technology, which can be used in liquid filling, bottles, bottling machines, etc., can solve problems such as a large amount of energy and huge energy, and achieve the effect of improving the method and realizing the environmental load.

Active 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

However, in the case of the former, even when liquid nitrogen is gasified, a large amount of energy is required to produce liquid nitrogen as described above.
In addition, in the latter case, even when a nitrogen generator is used, it is necessary to replace the adsorption membrane of the nitrogen generator, so a huge amount of energy is used.

Method used

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  • Water filling method, water filling system and water filling bottle
  • Water filling method, water filling system and water filling bottle
  • Water filling method, water filling system and water filling bottle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0114] use figure 1 The water filling system 10 of the present embodiment shown, and through Figure 5 The water fill method shown, produces a image 3 Water filled bottle 70 is shown (Example 1) (DAir Technology). In addition, as the plastic bottle 50 , a PET bottle with a capacity of 500 ml and a weight of 12 g was used. In addition, positive pressure was performed so that the volume of the head space in the plastic bottle 50 would be 20 ml, and the pressure in the plastic bottle 50 would be 50 kPa. In addition, water was used as the water 60 .

Embodiment 2

[0127] use figure 1 The water filling system 10 of the present embodiment shown, and through Figure 5 The water fill method shown, produces a image 3 Water filled bottle 70 is shown (Example 2) (DAir Technology). In addition, as the plastic bottle 50 , a PET bottle with a capacity of 500 ml and a weight of 12 g was used. In this case, in the air dissolution process ( Figure 5 In step S8), the amount of air dissolved in the water 60 (air injection amount) was set to 0.20 g / L. In addition, make the water filling process ( Figure 5 The filling temperature of the water 60 in the step S5) is 15° C., and the head space is 10 ml.

Embodiment 3

[0129] In the air dissolution process ( Figure 5 In the step S8) of the above-mentioned method, the amount of air dissolved in the water 60 (air injection amount) was set to 0.02 g / L, and the same operation was performed as in the above-mentioned Example 2, and the water-filled bottle 70 (Example 3 ).

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Abstract

This invention is a water-filling method for filling a plastic bottle (50) with water (60). First, air is super-dissolved in advance in the water (60) in an air-dissolving section (air-dissolving step). Afterward, the water (60) in which air was super-dissolved is filled into the plastic bottle (50) in a water-filling section (15) (water-filling step). After the plastic bottle (50) is plugged shut in a cap-attaching section (16), the interior of the plastic bottle (50) receives positive pressure through the air super-dissolved in the water (60) turning to gas.

Description

technical field [0001] The present invention relates to a water filling method, a water filling system, and a water filling bottle, and in particular to a water filling method and a water filling method capable of reducing the energy required to positively pressurize the inside of a plastic bottle and easily improving the strength of a lightweight bottle that tends to be insufficient. Fill system and water fill bottle. Background technique [0002] In recent years, the weight reduction of plastic bottles has progressed by reducing the amount of plastic materials used in plastic bottles. However, reducing the weight of a plastic bottle poses a problem of reducing the strength of the plastic bottle and the barrier properties of the container. [0003] Therefore, as a technique to compensate for the reduction in the strength of plastic bottles, there is a technique of positively pressurizing the inside of the plastic bottle by adding liquid nitrogen immediately before sealing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B67C7/00B65D1/02B65D85/72B67C3/04
CPCB67C3/02B67C7/00
Inventor 关根章智太田美惠桑野诚司
Owner DAI NIPPON PRINTING CO LTD