Extrusion
Gloucester & Dolci Share Stretch-Winding Technology
Gloucester Engineering Co., Inc., Gloucester, Mass., and Dolci Extrusion S.r.l. of Italy have announced that they will share winding technology so that each firm can offer the other’s winders for cast stretch film.
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Sheet Processor Adds Former for R&D
Industrial sheet extruder Premier Material Concepts (PMC) has added a thermforming machine to its Findlay, Ohio, plant to allow it to conduct performance tests on new sheet products and to offer prototyping services for thermoformers.The forming machine was furnished by MAAC Machinery, Carol Stream, Ill.
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Cloeren Breaks Ground on Plant Expansion
Leading flat-die and feedblock supplier Cloeren Incorporated recently broke ground on a multimillion-dollar expansion of its Orange, Texas, Plant 2 site that will add about 37,500 ft² to the facility.
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Speed, Flexibility & Customization Spur Success at PS Extruder & Former
Commodore does it all in PS foam extrusion and forming. It builds most of its equipment and all of its tooling and combines that with innovative processing techniques, allowing it to carve a successful niche for itself in a field dominated by much larger companies.
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New Frontier for Single Screw R&D: Mixing & Melting by Extensional Shear
Extensional shear generally has been associated only with twin-screw extruders. However, I am now convinced it can be done with a single moving force (screw) by changing the geometry of the flow field perpendicular to the direction of flow.
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Novel Materials Stretch Process Capabilities
The potential for new or unusual materials to broaden the application potential of standard plastics processes was explored in a number of papers at April’s SPE ANTEC conference in Orlando, Fla.
Read MoreMuCell Extrusion Gains Dow and Styron Film and Sheet Technology
MuCell Extrusion LLC, Woburn, Mass., made two moves last month that further expanded its capabilities in flat film and sheet foaming.
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The Power-Law Coefficient
By referring to the power-law coefficient, the effect of barrel override in the metering section of many screws can be explained and anticipated.
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Making Old Bags New Again
This year, leading film processor and bagmaker Hilex company reprocessed 25 million lb of post-consumer material in its Bag2Bag recycling program.
Read MoreSimple, Economical, Manual Roll-Gap Adjustment for Sheet
Processing Technologies International (PTi), Aurora, Ill., has developed and patented a new way to manually adjust roll gap on cooling and polishing sheet roll stands.
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