HUMIDITY RESPONSIVE MATERIALS AND SYSTEMS AND METHODS USING HUMIDITY RESPONSIVE MATERIALS
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United States of America Patent
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Issued Date -
Dec 8, 2011
app pub date -
May 1, 2009
filing date -
May 2, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to silk or other materials formed to have predetermined contraction/relaxation characteristics, wherein the contraction/relaxation characteristics are initiated by exposure thereof to predetermined humidity characteristics in the adjacent atmosphere. The materials may comprise a single silk fiber, a bundle of fibers of a predetermined size or diameter, a meshwork of fibers forming a predetermined configuration such as one or more sheets, bundles or other bodies. In this manner, the material can be scaled across a size range of any desired magnitude to produce predetermined force and/or displacement characteristics in association therewith.
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