Method and device for filling and sealing

Abstract

Provided is a method and device for filling and sealing, capable of eliminating the impact of foam generated during filling without damaging the container and at low cost, while also improving the gas replacement rate and productivity. A method for filling and sealing in which a filling step, a defoaming step, a mouthpiece cleaning step, a gas replacement step, and a lid mounting step are performed in sequence while a bottle-type container (105) is continuously transported, in which the defoaming step injects an inert gas at a normal temperature into the head space of the bottle-type container (105) as a defoaming gas.

Description

technical field [0001] The present invention relates to a filling and sealing device for carrying out a filling process, a defoaming process, a mouth cleaning process, a gas replacement process, and a cap installation process while continuously conveying a bottle-shaped container, and in particular relates to a bottle-shaped container that is carried out in the head space. A filling and sealing method and device capable of obtaining a higher replacement effect when sealing after gas replacement. Background technique [0002] Generally, beverage can containers are produced by filling containers such as bottles that are continuously conveyed with contents such as beverages, and then cleaning the mouth of the container and sealing it with a cap such as a bottle cap. [0003] At this time, if oxygen-containing air remains in the headspace between the liquid surface of the contents and the upper end of the mouth of the container, the oxygen in the air will oxidize the contents af...

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Problems solved by technology

[0016] However, in the beverage filling equipment described in Patent Document 3, capping is performed after the headspace is made into a non-oxidizing atmosphere by using a non-oxidizing gas in the defoaming device, but when cleaning the mouth in a post-process, The non-oxidizing gas in the headspace flows out to the outside, which may reduce the gas replacement efficiency

[0017] In addition, in the method and device for removing air bubbles in the head space of the container described in Patent Document 4, the air bubbles are discharged from the container to remove the air bubbles in the head space, but it is necessary to remove the air bubbles discharged to the outside of the container. The air bubble suction mechanism that keeps the adhesion to a minimum complicates the device, especially the burden of cleaning work increases, resulting in a decrease in productivity

[0018] In addition, air bubbles are removed from the headspace by removing the air bubbles from the container, so the cleaning frequency of the container and the conveying equipment is increased to prevent contamination of the filling line, thereby increasing the cost.

[0019] In addition, in the method and device for filling the contents described in Patent Document 5, the defoaming medium is high temperature, so there is a concern that the contents may be deteriorated or deformed due to heat, and a heating mechanism for the defoaming medium must be provided separately. , so the assembly of the device becomes complicated, or energy is required in the heating mechanism, so it is not preferable from the viewpoint of cost

[0020] In addition, the technique of adding an antifoaming agent such as ethanol as exemplified above may change the composition of the built-in product, and it cannot be used for a built-in product that is not allowed to change the composition.

[0021] In addition, the technology of irradiating external energy such as ultrasonic waves has problems in that the scale of additional equipment increases, and the energy used also increases, which increases the cost burden

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