Stretch Blow Molding
3D Blow Molding Gains Momentum
Although this continent has been slow to follow Europe’s example, market forces in North America are finally shifting in favor of three-dimensional blow molding.
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Garbage In, Good Plastics Out
Experts consider it the most high-tech recycling plant in the world: Schwarzataler Kunststoff in Germany takes dirty bottles and film from post-consumer recycling and turns them into automotive and other compounds in a fully automated process.
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New Polypropylene Families for Packaging, Blends & Composites
Two new lines of polypropylene resins from Basell North America challenge PS, PET, PVC, and other PPs for clear, rigid packaging.
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All-Plastic Paint Cans Challenge Steel
After considerable success in Europe, all-plastic gallon paint cans are spilling into North America’s retail paint market more quickly than was anticipated just a few months ago.
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NPE News Wrap-Up: Blow Molding
Long-stroke machines go rotary, all-electrics grow larger,and PET bottles get a new 鈥済lass鈥 coating. Visitors to the show got to see all these and more.
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Blow Molding - Higher Output Vies With Flexibility
The emphasis in blow molding equipment introductions at NPE 2003 is on higher output capability and greater versatility to take on emerging markets.
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All-Electrics & Stretch-Blow Get Top Billing
Energy efficiency and production cost savings were dominant themes of the blow molding exhibits at K 2001. A handful of new all-electric machines aroused intense interest, though they are aimed primarily at niche markets. And in two-stage (reheat) PET stretch-blow molding, the focus was on boosting output per cavity.
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On-Line PET Bottle Thickness Gauging Brings Responsive Process Control
Maintaining desired wall thickness in the neck, shoulder, wall, and base of a PET bottle is a continuing challenge to blow molders, says Chris Robinson, head of quality assurance at the Bowling Green, Ohio, plant of Southeastern Container (SEC) Group Inc.
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Blow Molding Gets Green Light in Detroit
Technical blow molding is changing the contours of automotive interior trim, load-bearing floors, seat-back systems, and under-hood ducting. Favorable economics, process refinements, and the emergence of tailored materials and equipment are taking the brakes off blow molding's earlier limits, and pointing a way to cost cutting.
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Blow Molding (K 2001 Preview)
One cluster of blow molding innovations on display at K 2001 will address the need for more versatile single-stage injection stretch-blow molding (ISBM) machines. A thirst for energy savings underlies plans to launch all-electric units for PET and HDPE containers. Also in the limelight are advances in large-part technical blow molding.
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