ZA200601215B - Sound absorbing material - Google Patents
Sound absorbing material Download PDFInfo
- Publication number
- ZA200601215B ZA200601215B ZA200601215A ZA200601215A ZA200601215B ZA 200601215 B ZA200601215 B ZA 200601215B ZA 200601215 A ZA200601215 A ZA 200601215A ZA 200601215 A ZA200601215 A ZA 200601215A ZA 200601215 B ZA200601215 B ZA 200601215B
- Authority
- ZA
- South Africa
- Prior art keywords
- fiber
- sound
- absorbing material
- woven fabric
- material according
- Prior art date
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- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
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- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 229920005653 propylene-ethylene copolymer Polymers 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/659—Including an additional nonwoven fabric
- Y10T442/666—Mechanically interengaged by needling or impingement of fluid [e.g., gas or liquid stream, etc.]
- Y10T442/667—Needled
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003300449 | 2003-08-25 |
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ZA200601215B true ZA200601215B (en) | 2007-05-30 |
Family
ID=37031148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200601215A ZA200601215B (en) | 2003-08-25 | 2004-08-24 | Sound absorbing material |
Country Status (3)
Country | Link |
---|---|
US (1) | US7694779B2 (zh) |
CN (1) | CN100442034C (zh) |
ZA (1) | ZA200601215B (zh) |
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-
2004
- 2004-08-24 CN CNB2004800244513A patent/CN100442034C/zh active Active
- 2004-08-24 US US10/567,684 patent/US7694779B2/en not_active Expired - Fee Related
- 2004-08-24 ZA ZA200601215A patent/ZA200601215B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN100442034C (zh) | 2008-12-10 |
CN1842698A (zh) | 2006-10-04 |
US20060225952A1 (en) | 2006-10-12 |
US7694779B2 (en) | 2010-04-13 |
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