Synthetic material sheet for stabilizing coverings
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United States of America Patent
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Aug 21, 2007
Grant Date -
Aug 5, 2004
app pub date -
Dec 5, 2003
filing date -
Dec 6, 2002
priority date (Note) -
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Abstract
The present invention relates to a flexible sheet having a composite structure for stabilizing coatings, comprising a first layer of fiber material and a second layer of fiber material impregnated by a first and a second impregnating material, respectively, and a body layer set between said first layer and said second layer according to a general sandwich structure, where the body layer consists of a third material. The first and the second impregnating materials and the third material constituting the body layer are polymeric materials presenting a substantial affinity, so that the flexible sheet has a physically heterogeneous and chemically homogeneous structure.
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