Invention Grant
- Patent Title: Structure, structure for vehicles, and air conditioning duct for vehicles
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Application No.: US16635705Application Date: 2018-08-15
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Publication No.: US11701860B2Publication Date: 2023-07-18
- Inventor: Yoshinori Ono
- Applicant: KYORAKU CO., LTD.
- Applicant Address: JP Kyoto
- Assignee: KYORAKU CO., LTD.
- Current Assignee: KYORAKU CO., LTD.
- Current Assignee Address: JP Kyoto
- Agency: Maier & Maier, PLLC
- Priority: JP 17161875 2017.08.25
- International Application: PCT/JP2018/030324 2018.08.15
- International Announcement: WO2019/039360A 2019.02.28
- Date entered country: 2020-01-31
- Main IPC: B32B5/08
- IPC: B32B5/08 ; B32B1/08 ; B32B7/12 ; B32B5/02 ; B32B5/24 ; B32B5/32 ; G10K11/168 ; F16L9/133 ; F16L9/21 ; B32B5/18 ; B60H1/00
Abstract:
The present invention provides a structure that improves sound absorption coefficient. The present invention provides a structure comprising: a foam resin layer formed of a foam material having a foaming ratio of 1.1 to 8 times; and a sound absorbing layer formed of a foam material having a foaming ratio of 10 to 30 times, the sound absorbing layer laminated on the foam resin layer.
Public/Granted literature
- US20210362464A1 STRUCTURE, STRUCTURE FOR VEHICLES, AND AIR CONDITIONING DUCT FOR VEHICLES Public/Granted day:2021-11-25
Information query
