POLYESTER SOUND ABSORPTION MATERIAL, METHOD OF MANUFACTURING MOLDED PRODUCT USING SAME, AND MOLDED PRODUCT MANUFACTURED THEREBY
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United States of America Patent
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Issued Date -
Mar 7, 2024
app pub date -
Nov 15, 2023
filing date -
Dec 26, 2019
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Abstract
The present invention relates to a polyester sound absorption material having improved moldability and decreased weight and a method of manufacturing a molded product using the same, and more particularly to a polyester sound absorption material, which is capable of integrally molding a skin member and a sound absorption material using a felt including a polyester base fiber, a low-melting-point polyester adhesive fiber and a polyester hollow fiber, without the need to attach an additional sound absorption pad onto a skin member.
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