Anti-perforation insole for footwear
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United States of America Patent
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N/A
Issued Date -
Jan 22, 2009
app pub date -
Oct 11, 2005
filing date -
Oct 14, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An anti-perforation insole (1) includes a multi-layer (10) consisted of at least four layers of a fabric (12), with a double-faced weft, made of high toughness polyester fibers coupled together by a thermoplastic film or an adhesive resin; each of the layers of fabric shows a surface treated by a coating (14) of polyurethane and/or acrylic resin enriched with micronized, ceramic: materials in form of silicates, for example of aluminium.
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