Method of treating a fiber cushion body
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United States of America Patent
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Mar 21, 2017
Grant Date -
Jun 19, 2014
app pub date -
Jun 11, 2012
filing date -
Jun 10, 2011
priority date (Note) -
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Abstract
A fiber cushion body, which is formed from cross-linked fiber material and which is resiliently deformable when load is applied along a main load direction, is treated using ultrasonic energy. A portion of the fiber cushion body is displaced, for example using a sonotrode, and ultrasonic vibrations are applied to the fiber cushion body to re-shape the fiber cushion body from a first shape to a second shape different from the first shape.
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