Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Reexamination Certificate
2005-02-08
2005-02-08
Dixon, Merrick (Department: 1774)
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
C428S137000, C428S155000, C428S156000, C428S166000, C428S220000, C264S041000, C264S045100, C264S045600, C264S653000
Reexamination Certificate
active
06852392
ABSTRACT:
A porous sheet is provided suitable for use as a substitute for natural leather for shoes, clothes, and a fiber composite sheet. The porous sheet is formed of an elastic polymer, has a thickness of 10 to 500 μm, and has 500 to 15,000 fine pores mm2inside, the fine pores having an average pore diameter of 1 to 20 μm, and which has a breaking strength of 1 to 15 N/mm2and a breaking elongation of 100 to 500%. A fiber composite sheet is also provided, wherein the porous sheet is laminated on a substrate made of a fiber aggregate as a main component.
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Kikuchi Masayoshi
Ohkawa Nobuo
Dixon Merrick
Teijin Limited
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