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New wide-mouth bottle said to ease hot filling

Amcor PET Packaging says its Big Mouth bottles overcome problems of dimensional inconsistency in the container finish area.



Amcor PET Packaging says its Big Mouth bottles overcome problems of dimensional inconsistency in the container finish area.
 

Challenges in hot filling of wide-mouthed bottles, particularly capping and seal integrity issues, are said to be avoided due to a new design used in blowmolding of Amcor Big Mouth bottles, a new range of wide mouth PET (polyethylene terephthalate) container introduced by processor Amcor PET Packaging (Ann Arbor, MI). The new containers could see use in glass-replacement applications for packaging of pasta sauce, apple sauce, jams and jellies, salsa and other food products filled at temperatures up to 195° F.

Not surprisingly, Amcor offered little detail on exactly how it was able, with the new container's patent-pending design, to overcome problems of a lack of dimensional consistency in the container finish area. The company did say that, rather than simply trimming off the top after blow molding the jar, which can leave a relatively slim and sharp landing area for cap application, it adds another step in the process which gives these Big Mouth jars a flatter, smoother and wider surface, making for easier application of closures and helping eliminate any issues of poor sealing. The new bottles have a smooth surface-no ribbing-for ease of labeling.

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