FOAM PRODUCT INTEGRAL WITH TRIM COVER ELEMENT
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United States of America Patent
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Issued Date -
Jan 8, 2015
app pub date -
Jun 13, 2014
filing date -
Jul 4, 2013
priority date (Note) -
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Abstract
A foam product integral with trim cover element, which is formed by injecting a liquid polyurethane material, with carbon oxide mixed therein, into an inside of the trim cover element, and curing the liquid polyurethane material into a soft foam padding filled in the trim cover element. In this kind of foam product, a material capable of impregnation with the liquid polyurethane material is attached to an inward surface of the trim cover element. This material capable of impregnation with the liquid polyurethane material is impregnated and bonded with the resulting soft foam padding during a foaming process, and is greater in hardness than the soft foam padding, sufficient to withstand shrinkage of the soft foam padding within the trim cover element. An impregnation-preventive film, or the combination of the impregnation-preventive film and a soft polyurethane open-cell foam layer, may be attached to an inward surface of the afore-said material.
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