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公开(公告)号:US20220161866A1
公开(公告)日:2022-05-26
申请号:US17398496
申请日:2021-08-10
发明人: Jong Hyun RYU , Dong Oh LEE
IPC分类号: B62D25/20
摘要: The present disclosure relates to a connecting structure between a quarter portion and a rear floor of a vehicle and, more specifically, to a connecting structure between a quarter and a rear floor, which can strengthen torsional rigidity of a vehicle body and secure durability of an opening of a tailgate.
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公开(公告)号:US20180301133A1
公开(公告)日:2018-10-18
申请号:US15807349
申请日:2017-11-08
发明人: Jae Gi SIM , Jong Hyun RYU
IPC分类号: G10K11/168 , B32B3/26 , B32B3/28 , B32B15/14 , B32B15/20
摘要: A sound-permeable metal plate, which is a plate processed to have concavity and convexity formed thereon, may include: a plurality of cells protruding from the plate; and a flat base portion formed between the plurality of cells, wherein each of the cells includes a plurality of wall surface parts, which are bent on and protrude from the base portion, and a cover portion extending from end portions of the wall surface parts, and each of the cells has a straight line-shaped slit formed through the plate.
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公开(公告)号:US20210095089A1
公开(公告)日:2021-04-01
申请号:US17000640
申请日:2020-08-24
发明人: Jung Wook LEE , Se Hoon KIM , Ji Wan KIM , Jin Hyung LEE , Seong Je KIM , Dae Yong KIM , Jong Hyun RYU , Myung Sik LEE , Min Seo WU
摘要: Disclosed are a polyurethane foam composition for sound-absorbing materials, a method for manufacturing a polyurethane foam and a polyurethane foam manufactured using the method. Particularly, disclosed are a composition containing a polyol mixture including a polyol and an additive, and isocyanate, and the manufacture of a low-density polyurethane foam for sound-absorbing materials, which is imparted with improved appearance formability, reduced smell and enhanced sound absorption performance by controlling the content of the composition and the conditions for foaming the composition.
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