JPS5254255A - Bacteria-and-dust-protected sound-absorbing duct - Google Patents
Bacteria-and-dust-protected sound-absorbing ductInfo
- Publication number
- JPS5254255A JPS5254255A JP50129910A JP12991075A JPS5254255A JP S5254255 A JPS5254255 A JP S5254255A JP 50129910 A JP50129910 A JP 50129910A JP 12991075 A JP12991075 A JP 12991075A JP S5254255 A JPS5254255 A JP S5254255A
- Authority
- JP
- Japan
- Prior art keywords
- dust
- sound
- bacteria
- absorbing duct
- protected sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Pipe Accessories (AREA)
- Duct Arrangements (AREA)
Abstract
PURPOSE: To prevent production of dust from a sound-absorbing material and also to improve sound-absorbing capability by providing inner surface of an air duct with a sound-absorbing material coated with thermal-plastic resin film protected from becoming loose.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50129910A JPS5254255A (en) | 1975-10-30 | 1975-10-30 | Bacteria-and-dust-protected sound-absorbing duct |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50129910A JPS5254255A (en) | 1975-10-30 | 1975-10-30 | Bacteria-and-dust-protected sound-absorbing duct |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5254255A true JPS5254255A (en) | 1977-05-02 |
Family
ID=15021404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50129910A Pending JPS5254255A (en) | 1975-10-30 | 1975-10-30 | Bacteria-and-dust-protected sound-absorbing duct |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5254255A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60152890U (en) * | 1984-03-22 | 1985-10-11 | 東急建設株式会社 | Duct silencer |
JPH0728295U (en) * | 1993-10-26 | 1995-05-23 | 松下電工株式会社 | Drain pipe soundproof cover |
US6971474B2 (en) * | 2002-12-20 | 2005-12-06 | Carcoustics Tech Center Gmbh | Air guiding element, especially an air guiding channel for a motor vehicle |
-
1975
- 1975-10-30 JP JP50129910A patent/JPS5254255A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60152890U (en) * | 1984-03-22 | 1985-10-11 | 東急建設株式会社 | Duct silencer |
JPH0728295U (en) * | 1993-10-26 | 1995-05-23 | 松下電工株式会社 | Drain pipe soundproof cover |
US6971474B2 (en) * | 2002-12-20 | 2005-12-06 | Carcoustics Tech Center Gmbh | Air guiding element, especially an air guiding channel for a motor vehicle |
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