2 Head anti-overflow Liquid Filler Verticale Abfüllmaschinen fuer Fluessigkeiten mit 2 Köpfe

Semi automatic 2 Head anti-overflow Liquid Filling Machine vertical liquid filler  Halbautomatische Abfüllmaschinen fuer Fluessigkeiten mit 2 Köpfe
Clear bottles and containers offer consumers a sneak peak at a product, but at the same time create a unique challenge when it comes to packaging. While clear bottles can create a dynamic shelf impact, imagine a product in a clear bottle, on a shelf, in which every single bottle is filled to a different level. The impact might still be termed dynamic, but the effect would likely be the reverse of what was intended. To create an aesthetically pleasing look, the packager must assure that each and every clear bottle is filled to the same level.

While this may sound like an onerous task, the truth is, a filling machine exists to achieve just such a task.

The overflow filling machine uses an overflow principle to ensure that each and every bottle (whether clear or not) will be filled to the same level. This is true even if the bottles do not have the same exact interior volume. For example, a 500 ml (or 16.9 ounce) bottle of water is a fairly common site, whether purchased as a single serving or bought in a pack of 12, 24 or 36. Though they may be termed 500 ml bottles, the interior volume of each 500 ml bottle may actually vary slightly because of the manufacturing process used to make the bottles. The difference will likely not be noticeable to the human eye, but there will be differences. However, using the overflow filler, each of these bottles can still be filled to a consistent level, achieving the intended shelf appearance.

To understand how the overflow filler achieves the level fill, you really need to understand the nozzles used on the overflow machine. Once bottles are in place for the filling to begin, the overflow nozzles will descend and actually enter the bottle. As the nozzles enter the bottle, a foam or rubber seal covers the bottle opening and a spring causes the nozzles to compress. The compression opens the nozzles at the tips and product is released into the bottle. Once the product hits the desired, and pre-set, level, excess product is forced through a return port back to the product supply tank of the filling machine. Once the fill time has elapsed and the excess product has returned to the filling machine supply tank, the seals will release from the bottle opening and the fill nozzles will exit the bottles, leaving each bottle with an even, level fill.

The overflow filler can also work with nearly any level of production, making the machine that much more popular. Overflow fillers can be manufactured as tabletop packaging machines, semi-automatic fillers or even fully automatic filling machines. These machines may be used to fill product on a rotary fill line or an inline packaging system. The overflow filler is truly a versatile piece of packaging equipment, however, it does have its limitations. Overflow filling machines work best with thin, free-flowing liquids that move easily through the product pathway. Products with higher viscosities may not be suitable for the overflow filling technique. High viscosity products, such as honey, toothpaste and similar products, will not be as easy to push through the return port and back to the supply tank. In products with high viscosity, using the overflow principle could lead to lengthy fill times, clogged tubes and inconsistent fills from one cycle, or even bottle, to the next. But for those bottling water, window cleaner and other free-flowing products in a clear container, the overflow filler will almost always be the ideal choice for any packaging line.

Jack Du has spent his Packaging Industry career with Liquid Packaging Solutions, Inc., in Guangzhou China. To learn more about the Packaging Industry, visit the company's website at http://youtube.com/user/mrjackdu007/videos where you can learn about a variety of packaging machinery as well as cosmetic machines and even create your own packaging system.

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