Invention Grant
US09393757B2 Discontinuously laminated film structures with improved visual characteristics 有权
不连续地层压膜结构,具有改善的视觉特性

Discontinuously laminated film structures with improved visual characteristics
Abstract:
In one example embodiment, a laminated film includes an extruded ribbed first film portion that includes multiple ribs, where consecutive ribs are separated by webs that are integral with the ribs. The laminated film also includes an un-ribbed second film portion, and a region of discontinuous lamination between the first film portion and the second film portion. The region of discontinuous lamination includes multiple regions where the first and second film portions are bonded together, and multiple regions where the first and second film portions are not bonded together.
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