Coextruded profiled webs

Details Coextruded profiled webs Coextruded profiled webs

2011-06-28

2011-06-28

Loney, Donald (Department: 1783)

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

C428S172000, C428S182000, C428S213000

Reexamination Certificate

active

07968172

ABSTRACT:
A nonplanar, thermoplastic polymeric film having a top surface, a bottom surface, a midline, and a series of peaks and valleys oscillating around the midline and forming continuous ridges in a first direction on both the top surface and the bottom surface of the film. The nonplanar, thermoplastic polymeric film has two or more polymer layers with at least one polymer layer partitioned disproportionally in the peaks such that at least two of the two or more polymer layers vary in thickness across the width of the nonplanar, thermoplastic polymeric film.

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International Search Report, PCT/US2005/015831, Aug. 19, 2005, 5 pages.
Written Opinion of the International Searching Authority, PCT/US2005/015831, Aug. 19, 2005, 7 pages.

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