the consumable product must be protected (shelf life) The following must be considered in all lightweighting efforts: But: What exactly does bottle quality mean today (figure 2)? Wall thickness distribution is the key to bottle quality. Why can’t the manufacturers of machines for injection moulding, blow moulding, and filling all be on the same page? Or at least agree on a few facts? Or are the physics of the machines so different? In the end, the result should at least make the podium. It’s like we’ve put a Formula 1 racer in the hall, but the workforce is a far cry from these high end machines. Though we run the most modern and expensive plants, they are operated by employees who only receive a few weeks of training. What does this mean for preform production? What does this mean for bottle blowing as well as the bottle itself and its characteristics? How can we get a sense of the various technologies and their influence on our product and production? But if there is a chance of saving material, we should try and do so for every project – both to save costs and to help the environment. Several statements from our conversations in bottling plants show why we are happy to, and indeed must, address this topic:Īnything new tends to make us feel uneasy and uncertain. In comparison, their product almost fades into the background and – from a cost perspective – the contents are of secondary importance: “We sell packaging - not drinks.” Today bottling companies tend to see themselves as vendors or traders of packaging and its recyclable material. The industry faces enormous cost pressures. ![]() After various discussions and attempts at comparing the alternatives on the market, we soon realized that this is both an interesting and provocative topic. ![]() ComPETence was approached by a bottling company to address the topic of preform bases.
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