WADDING STRUCTURE FOR USE AS PADDING, AND METHOD FOR ITS PRODUCTION
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United States of America Patent
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Feb 28, 2019
app pub date -
Aug 28, 2018
filing date -
Aug 30, 2017
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Abstract
A wadding structure for use as padding, characterized in that it comprises a plurality of fibres bound together by means of a resin with variable-density uniform finish. The variable-density finish may have a higher or lower density according to the need. The density of the finish entails a variation of the thickness of the product, which on average can guarantee a bulk 30% greater than that of a wadding produced in a traditional way with resin-spraying finish. A greater bulk of the product entails a greater heat value, typically approximately 20% greater, as it is precisely the amount of air embedded in the structure of the wadding that determines its thermal insulation.
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