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From a new kind of liquid-containing resealable pouch to “stealth” wraps and first-of-a-kind refill bottles for ecommerce and more, plastics played a prominent role at October’s international packaging exhibition.
In the early 1980s, Wheeler patented the Davis-Standard barrier feedscrew design, which quickly became the industry’s premier feedscrew and gave Davis-Standard (Pawcatuck, CT) a global technical presence.
Most extruders are single-screw—about 90% is my best estimate. But that is misleading, because the twins are concentrated in two market areas—rigid PVC and compounding—and the twins for one application are very different from the other.
This slide show details how some of the year’s most innovative thermoformers, honored by the Thermoforming Division of the Society of Plastics Engineers (Bethel, CT) in its annual parts competition, helped OEMs achieve winning designs in the...
Classroom discussions addressing such topics as co-rotating and counter-rotating twin-screw extrusion technology and screw design and process techniques will be supplemented by hands-on operating sessions.