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1.
公开(公告)号:US20200331412A1
公开(公告)日:2020-10-22
申请号:US16700582
申请日:2019-12-02
发明人: Seong Je Kim , Keun Young Kim , Tae Yoon Kim , Jung Wook Lee , Young Su Kim , Jong Eun Ha
摘要: Disclosed are an undercover for vehicles with high elasticity and rigidity and a method of manufacturing the same. The undercover for vehicles with high elasticity and rigidity may include a needle-punched nonwoven fabric having a multi-layer structure of felt layers including a first PET fiber and a low-melting-point PET fiber, and each of the felt layers may have improved tensile strength and have optimized fiber alignment, to thereby improve the binding between fibers, mechanical rigidity and elasticity, as well as to reduce the weight of components, improve durability and secure harmlessness and inline workability.
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2.
公开(公告)号:US11560105B2
公开(公告)日:2023-01-24
申请号:US16700582
申请日:2019-12-02
发明人: Seong Je Kim , Keun Young Kim , Tae Yoon Kim , Jung Wook Lee , Young Su Kim , Jong Eun Ha
IPC分类号: B60R13/08 , D01F6/62 , B32B5/02 , B32B27/12 , B32B27/32 , D04H3/10 , B32B37/10 , B32B37/06 , B32B37/02 , B32B5/26 , B32B38/00 , B32B38/04
摘要: Disclosed are an undercover for vehicles with high elasticity and rigidity and a method of manufacturing the same. The undercover for vehicles with high elasticity and rigidity may include a needle-punched nonwoven fabric having a multi-layer structure of felt layers including a first PET fiber and a low-melting-point PET fiber, and each of the felt layers may have improved tensile strength and have optimized fiber alignment, to thereby improve the binding between fibers, mechanical rigidity and elasticity, as well as to reduce the weight of components, improve durability and secure harmlessness and inline workability.
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公开(公告)号:US11981276B2
公开(公告)日:2024-05-14
申请号:US17345933
申请日:2021-06-11
发明人: Seong Je Kim , Keun Young Kim , Ji Wan Kim , Jung Wook Lee , Jong Eun Ha , Young Su Kim , Sang Hoon Lee , Mu Jin Kim
IPC分类号: B60R19/00 , D04H1/435 , D04H1/4391
CPC分类号: B60R19/00 , D04H1/435 , D04H1/43914 , B60R2019/002 , D10B2401/063 , D10B2505/12
摘要: An external material for vehicles may include a non-woven fabric having a honeycomb structure and a wheel guard including the same.
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4.
公开(公告)号:US12043186B2
公开(公告)日:2024-07-23
申请号:US18084913
申请日:2022-12-20
发明人: Seong Je Kim , Keun Young Kim , Tae Yoon Kim , Jung Wook Lee , Young Su Kim , Jong Eun Ha
IPC分类号: B60R13/08 , B32B5/02 , B32B5/26 , B32B27/12 , B32B27/32 , B32B37/02 , B32B37/06 , B32B37/10 , B32B38/00 , B32B38/04 , D01F6/62 , D04H3/10
CPC分类号: B60R13/0861 , B32B5/022 , B32B27/12 , B32B27/32 , B32B37/02 , B32B37/06 , B32B37/10 , D01F6/62 , D04H3/102 , B32B5/26 , B32B2038/0072 , B32B38/04 , B32B2262/0284 , B32B2305/20 , B32B2367/00 , B32B2605/08 , B60R13/0838
摘要: Disclosed are an undercover for vehicles with high elasticity and rigidity and a method of manufacturing the same. The undercover for vehicles with high elasticity and rigidity may include a needle-punched nonwoven fabric having a multi-layer structure of felt layers including a first PET fiber and a low-melting-point PET fiber, and each of the felt layers may have improved tensile strength and have optimized fiber alignment, to thereby improve the binding between fibers, mechanical rigidity and elasticity, as well as to reduce the weight of components, improve durability and secure harmlessness and inline workability.
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公开(公告)号:US11649565B2
公开(公告)日:2023-05-16
申请号:US16902998
申请日:2020-06-16
发明人: Jung Wook Lee , Seong Je Kim , Ji Wan Kim , Tae Yoon Kim , Jong Hyun Ryu , Myung Sik Lee , Hee Koo Woo
CPC分类号: D01F6/06 , D01F6/62 , B60R13/0815
摘要: Disclosed are a fiber for a sound-absorbing material for vehicles and a sound-absorbing material for vehicles including the same. The cross-section of the fiber for a sound-absorbing material includes a first end portion, a second end portion spaced apart from the first end portion, and an intermediate portion connected to the first end portion and the second end portion. The intermediate portion includes at least three bent portions. Each of the first end portion and the second end portion has a width larger than the width of the intermediate portion.
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公开(公告)号:US20210010164A1
公开(公告)日:2021-01-14
申请号:US16902998
申请日:2020-06-16
发明人: Jung Wook Lee , Seong Je Kim , Ji Wan Kim , Tae Yoon Kim , Jong Hyun Ryu , Myung Sik Lee , Hee Koo Woo
摘要: Disclosed are a fiber for a sound-absorbing material for vehicles and a sound-absorbing material for vehicles including the same. The cross-section of the fiber for a sound-absorbing material includes a first end portion, a second end portion spaced apart from the first end portion, and an intermediate portion connected to the first end portion and the second end portion. The intermediate portion includes at least three bent portions. Each of the first end portion and the second end portion has a width larger than the width of the intermediate portion.
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公开(公告)号:US11786852B2
公开(公告)日:2023-10-17
申请号:US16990449
申请日:2020-08-11
发明人: Jung Wook Lee , Seong Je Kim , Hyeong Rae Lee , Yeon June Kang , Sung Soo Yang
IPC分类号: B01D39/16 , G16C20/30 , G16C60/00 , G01N23/046
CPC分类号: B01D39/1692 , G01N23/046 , G16C20/30 , G16C60/00
摘要: The present invention relates to a method for predicting physical properties of an amorphous porous material which may predict an acoustic physical property value and an absorption coefficient from parameters of an amorphous porous material, and may estimate the acoustic characteristics with the amorphous porous material which is an amorphous specimen even without separately producing a formalized specimen such as a cylindrical specimen or a flat specimen. Further, the method for predicting physical properties of the amorphous porous material may estimate the acoustic physical properties through the analysis of a three-dimensional pore connection structure, which is a microstructure of an amorphous specimen, even without acoustic impedance, thereby estimating the acoustic physical properties which accurately reflect the characteristics of the actual specimen.
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公开(公告)号:US20220118749A1
公开(公告)日:2022-04-21
申请号:US17217844
申请日:2021-03-30
发明人: Seong Je Kim , Ji Wan Kim , Jung Wook Lee , Keun Young Kim
摘要: A sound-insulating material includes 16 to 24% by weight of a base resin having a thermoplastic olefin (TPO) and a polyolefin elastomer (POE) and 76 to 84% by weight of an inorganic filler. The sound-insulating material can be used, for example, as part of a sound-absorbing and sound-insulating material in a vehicle.
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公开(公告)号:US20210325331A1
公开(公告)日:2021-10-21
申请号:US16990449
申请日:2020-08-11
发明人: Jung Wook Lee , Seong Je Kim , Hyeong Rae Lee , Yeon June Kang , Sung Soo Yang
摘要: The present invention relates to a method for predicting physical properties of an amorphous porous material which may predict an acoustic physical property value and an absorption coefficient from parameters of an amorphous porous material, and may estimate the acoustic characteristics with the amorphous porous material which is an amorphous specimen even without separately producing a formalized specimen such as a cylindrical specimen or a flat specimen. Further, the method for predicting physical properties of the amorphous porous material may estimate the acoustic physical properties through the analysis of a three-dimensional pore connection structure, which is a microstructure of an amorphous specimen, even without acoustic impedance, thereby estimating the acoustic physical properties which accurately reflect the characteristics of the actual specimen.
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公开(公告)号:US20210198822A1
公开(公告)日:2021-07-01
申请号:US16883521
申请日:2020-05-26
申请人: Hyundai Motor Company , Kia Motors Corporation , SAM WON CO., LTD , Toray Advanced Materials Korea Inc.
发明人: Ji Wan Kim , Keun Young Kim , Jung Wook Lee , Tae Yoon Kim , Seong Je Kim , Yong Gu Jo , Hwang Ki Kim
摘要: Disclosed are, inter alia, a sound absorption and insulation material including a polyester hollow fiber, a polyester low-melting-point composite fiber and a polyester base fiber, a sound absorption and insulation pad for a floor including the same, and a manufacturing method thereof for improving the elasticity and sound absorption and insulation performance of the sound absorption and insulation material. The sound absorption and insulation material is an environmentally friendly material that can reduce discomfort due to the generation of volatile organic compounds (VOCs) and the emission of toxic gases during combustion. Also, the sound absorption and insulation pad including the sound absorption and insulation material can exhibit superior sound absorption performance, sound insulation performance and actual vehicle performance compared to a conventional sound absorption and insulation pad of the same thickness.
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