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2007-12-16 Manufacturing
News
PET plastics packaging application first commercialization First commercial application from Amcor PET Packaging, an ergonomic, contoured plastics bottle with a full shrink label attracts consumers for major juice beverage producer.
Welch’s, the world's leading marketer of Concord and Niagara grape-based
products, including 100 percent grape juice and jelly, has recently launched
six varieties of its 100 percent juice in Amcor’s 14-ounce custom
PowerFlex* bottle. This is the first custom application of Amcor PET Packaging
PowerFlex polyethylene terephthalate (PET) bottle. Traditional hot-fill bottles employ ribs and panels to absorb vacuum and minimize distortion during the cooling process. These ribs create a surface with “hills and valleys” that is not conducive to the sleek, ergonomic container Welch’s desired for its premium, 100 percent juice line.
PowerFlex* is the first ever, true panel-less, ribless, hot-fill polyethylene terephthalate (PET) plastics packaging which takes hot fill (185° degrees Fahrenheit) bottle options to a new level. The plastics bottle is an attractive, ergonomic bottle that can easily be grasped at the waist and mimics the aesthetics, performance and feel of glass. The bottle can run smoothly on existing glass filling lines with little or no equipment modification that are set up for traditional (with panels) hot-filled plastics bottles. The panel-less, ribless technology enables premium profiles and is adaptable to many shapes. Amcor’s structural design not only eliminates the panels, but unlike competitive containers, PowerFlex has a large, completely smooth label panel – free of any kind of ribbing. The ridge-free surface provides the ideal aesthetic platform for a full body label.
Amcor’s technical staff, through a combination of design and manufacturing innovations, has created a patented bottle that absorbs vacuum via a specially designed base. A unique diaphragm within the base draws upward as the liquid cools. It has the geometric characteristics to enable the inverted cone shaped diaphragm to deflect upward as the vacuum is created. (In addition to custom options, Amcor also offers two stock versions of the PowerFlex bottle—a 16-ounce, long-neck design and a 16.9-ounce dome-shouldered alternative.) Before Welch’s settled on the final design, Amcor developed several
design iterations for the company to consider. The goal was to develop
a new single-serving size that was also narrower, slimmer and taller looking
than the other PET plastics bottles and glass sizes in the line. Amcor PET Packaging is the leading manufacturer of PET (polyethylene
terephthalate) plastics packaging for the global beverage, food and non-food
industries.
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