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Pressurized Liquid Poised to Alter Blow-molding Landscape

Posted September 07, 2016 12:00 AM by Engineering360 eNewsletter

In form-fill-seal production, each step in the process is designed and tweaked to squeeze the most productivity or efficiency out of beverage bottling. Traditionally, most blow-molding operations use compressed air to form the plastic bottles. But a new process introduced by Amcor and Sidel is gaining momentum. LiquiForm technology pressurizes the product liquid to form and fill the bottles in one step, promising to eliminate equipment and processing steps, and reduce waste and energy consumption.


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#1

Re: Pressurized Liquid Poised to Alter Blow-molding Landscape

09/07/2016 4:06 PM

Since this can apparently be done on cold, hot beverages, how does the machine do this? Do they still use Polycarbonate? Is the plastic billet preheated? I could not get much detail from the link included. Maybe there is a secret trick, such as a short, quick steam injection, followed by the beverage, the soft plastic fills to fit the mold, and the steam gets condensed? Is that it?

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#2

Re: Pressurized Liquid Poised to Alter Blow-molding Landscape

09/12/2016 3:15 PM

What about off-gassing? Not to mention temperature control for the beverage. They are "cold" forming a bottle with high pressure? I'll shake my own soft drink, thank you.

It didn't mention carbonized beverages, but really, what else is there besides Pepsi? (Coors)

Maybe I'm overthinking it, but I'll let them take the first drink.

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