'Dittering' cast film cuts edge-trim waste.To wind flatter rolls of cast film with less edge trim there's now an alternative to oscillating os·cil·late intr.v. os·cil·lat·ed, os·cil·lat·ing, os·cil·lates 1. To swing back and forth with a steady, uninterrupted rhythm. 2. the film as it's it's 1. Contraction of it is. 2. Contraction of it has. See Usage Note at its. it's it is or it has it's be ~have wound Colines in Nibbia, Italy, developed a system it calls "dittering," which involves electronic feed control and feathering The appearance of jagged edges on moving objects in an interlaced display. Also known as "combing," this artifact is created because the image moves from one video field (odd lines displayed) to the next video field (even lines filled in while odd lines still present). the die's automatic gauge control to open and close the die lips by a small amount in a continuing oscillation Oscillation Any effect that varies in a back-and-forth or reciprocating manner. Examples of oscillation include the variations of pressure in a sound wave and the fluctuations in a mathematical function whose value repeatedly alternates above and below some . Colines developed the system using an automatic die from Cloeren Inc., Orange, Texas. The first application was in 2004 on an eight-extruder, seven-layer barrier film line at sister company B-Pack in Italy. Colines has sold nine more Dittering lines since then. Colines: +39 (321) 48 63 11 * www.colines.it [ILLUSTRATION OMITTED] |
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