April 1999 Issue
April 1999
Features
Featured articles from the latest issue of Plastics Technology
Air Rings--Make Them Work for You, Not Against You
Air rings do more than just blow cooling air on your film. Their complex aerodynamic effects also help form and stabilize the bubble. Yet operators often misuse air rings because they don't understand how the stabilizing function works. Here's a practical guide to making an air ring be your trusty helper instead of an unruly troublemaker.
Read MorePlastic Beer Bottles Are No Longer Just a Dream
Commercial success of two major foreign beer brands packaged in plastic bottles looks like the first wave in what could soon be a flood of plastic container development here and abroad. As shown in the table, at least nine plastic beer-bottle programs are commercially under way or in development.
Read MoreBeer In Plastic--So Many Ways to Get There
Coinjection, overmolding, barrier coatings, resin blends--all are being tested in the race to capture a swig of the mega-market for beer bottles.
Read MoreIt's All Here!
Article TextnThis month, Plastics Technology launches three new database tools on our Web site (www.ptonline.com). Like everything else at our site, they can be used free of charge. We're trying to be your one-stop plastics information source, and I think these newest features, combined with our other well-known products, put us there. And there's more to come.
Read MoreThere's Plenty of Fizz In Foam Blow Molding
Foam blow molding technology may be taking its first baby steps in the market, but this child could be jogging before long. After at least 10 years of testing, there is just one commercial application, but a score of packaging and industrial projects are being developed, mostly in Europe.
Read MoreWhy Molders Love All-Electric Machines
All-electric injection presses carry higher price tags, but molders who use them don't seem to care. They say price pales in comparison to the valuable molding advantages they get with electric machines. These first-hand accounts tell why the 'go-electric' movement is spreading.
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