Anisotropic foam-film composite structures

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component

Reexamination Certificate

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C428S314400, C428S314800, C428S318600, C428S319300, C428S319700, C428S315500, C428S315700

Reexamination Certificate

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07993739

ABSTRACT:
Multilayer foam-film composite structures in which the cells of at least one foam layer have an anisotropic orientation exhibit at least one enhanced property of toughness, tear resistance and puncture resistance in comparison with a foam-film composite structure alike in all aspects except for the anisotropic orientation of the cells of at least one foam layer.

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Translation of JP 10-000748, Kazuhiko Morita, “Polypropylene-Based Resin Foam Laminated Sheet and Molding Body Thereof”, Jan. 6, 1998.
Ranade, et al., Journal of Cellular Plastics, vol. 40, Nov. 2004, pp. 497-507.

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