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Packaging Technology for Bottle Packaging Bottle Filling

Bottling lines are production lines that fill a product, generally a beverage, into bottles on a large scale. Many prepared foods are also bottled, such as sauces, syrups, marinades, oils and vinegar.

For example, packaging of bottled beer typically involves drawing the product from a holding tank and filling it into bottles in a filling machine (filler), which are then capped, labeled and packed into cases or cartons. Many smaller breweries send their bulk beer to large facilities for contract bottling—though some will bottle by hand. Virtually all beer bottles are glass.

The first step in bottling beer is removing, where the empty bottles are removed from the original pallet packaging delivered from the manufacturer, so that individual bottles may be handled. The bottles may then be rinsed with filtered water or air, and may have carbon dioxide injected into them in attempt to reduce the level of oxygen within the bottle. The bottle then enters a filler which fills the bottle with beer and may also inject a small amount of inert gas (usually carbon dioxide or nitrogen) on top of the beer to disperse the oxygen, as oxygen can ruin the quality of the product via oxidation. Finally, the bottles go through a capper, which applies a bottle cap, sealing the bottle. A few beers are bottled with a cork and cage.

Next the bottle enters a labeling machine where a label is applied. To ensure traceability of the product, a lot number, generally the date and time of bottling, may also be printed on the bottle. The product is then packed into boxes and warehoused, ready for sale.

Depending on the magnitude of the bottling endeavor, there are many different types of bottling machinery available. Liquid level machines fill bottles so they appear to be filled to the same line on every bottle, while filling machines fill each bottle with exactly the same amount of liquid. Overflow pressure fillers are the most popular machines with beverage makers, while gravity filling machines are most cost effective. In terms of automation, inline filling machines are most popular, but rotary machines are much faster albeit much more expensive.

Packaging Technology for Bottle Packaging Bottle Filling

When it comes to bottle packaging, key factors should be considered to optimize packaging:

Is Your Product Carbonated?

Carbonated beverages require a unique type of filling technique, as well as specialized filling equipment. As a result, you’ll need to consider purchasing a filling machine that’s designed to properly fill/bottle your carbonated product and preserve the carbonation of the liquid.

-what type of container of the bottle?

Another key factor in purchasing a machine is knowing as much as possible about the physical properties of the containers you’ll be using. Determining what type of container you’ll be filling is a key question to ask before buying, as this will help dictate what type of technique the machine must use. This is due to the fact that the bottle’s attributes must be compatible with the machine’s filling method in order for the machine to function properly.

-Production rate

When considering the efficiency of a filling equipment, it’s important to keep both your current and future production needs in mind, since upgrading your machinery might not be feasible if you decide to expand your business. Small machines are usually measured by the amount of bottles they produce per hour, while faster, fillers are typically calculated based on bottles per minute.

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