公开(公告)号：US20240149801A1

公开(公告)日：2024-05-09

申请号：US17982821

申请日：2022-11-08

申请人： INOAC CORPORATION

发明人： Yosuke HASEGAWA ,  Yasunari KOJIMA

IPC分类号： B60R13/08 ,  B29C33/60 ,  B29C44/04

CPC分类号： B60R13/0815 ,  B29C33/60 ,  B29C44/0423 ,  B29K2105/046

摘要： In a soundproof member 10 including a polyurethane foam 11 and disposed apart from an engine E on a vehicle interior side of a dash panel 50 partitioning a space into an engine room having the engine E as a sound source and a vehicle interior, the polyurethane foam 11 has a surface layer 12 on at least a part of the surface thereof, a one side surface of the polyurethane foam 11 directly facing the vehicle interior side of the dash panel 50 has at least a surface layer 12A in an open cell state or a core, and a surface layer 12B of the other side surface opposite to the one side surface is a surface layer in a closed cell state.

公开(公告)号：US20200013384A1

公开(公告)日：2020-01-09

申请号：US16496313

申请日：2018-03-20

申请人： INOAC CORPORATION

发明人： Yosuke HASEGAWA ,  Yasunari KOJIMA

IPC分类号： G10K11/162 ,  B29C33/58 ,  B29C33/62 ,  B29C39/02 ,  B29C44/02 ,  B32B5/18 ,  B32B27/40 ,  B60R13/08

摘要： In a soundproof member 10 including a polyurethane foam 11 and disposed apart from an engine E on a vehicle interior side of a dash panel 50 partitioning a space into an engine room having the engine E as a sound source and a vehicle interior, the polyurethane foam 11 has a surface layer 12 on at least a part of the surface thereof, a one side surface of the polyurethane foam 11 directly facing the vehicle interior side of the dash panel 50 has at least a surface layer 12A in an open cell state or a core, and a surface layer 12B of the other side surface opposite to the one side surface is a surface layer in a closed cell state.