JPH0260903B2 - - Google Patents
Info
- Publication number
- JPH0260903B2 JPH0260903B2 JP56128785A JP12878581A JPH0260903B2 JP H0260903 B2 JPH0260903 B2 JP H0260903B2 JP 56128785 A JP56128785 A JP 56128785A JP 12878581 A JP12878581 A JP 12878581A JP H0260903 B2 JPH0260903 B2 JP H0260903B2
- Authority
- JP
- Japan
- Prior art keywords
- foam
- vibration damping
- performance
- solid
- layer
- 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.)
- Expired - Lifetime
Links
- 239000006260 foam Substances 0.000 claims description 69
- 238000013016 damping Methods 0.000 claims description 64
- 239000000463 material Substances 0.000 claims description 45
- 239000007787 solid Substances 0.000 claims description 21
- 239000006261 foam material Substances 0.000 claims description 10
- 230000000452 restraining effect Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 19
- 239000002131 composite material Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000000945 filler Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000010409 thin film Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 239000011358 absorbing material Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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
- G10K11/168—Plural layers of different materials, e.g. sandwiches
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Vibration Prevention Devices (AREA)
- Laminated Bodies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56128785A JPS5830546A (ja) | 1981-08-19 | 1981-08-19 | 制振材 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56128785A JPS5830546A (ja) | 1981-08-19 | 1981-08-19 | 制振材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5830546A JPS5830546A (ja) | 1983-02-23 |
| JPH0260903B2 true JPH0260903B2 ( ) | 1990-12-18 |
Family
ID=14993389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56128785A Granted JPS5830546A (ja) | 1981-08-19 | 1981-08-19 | 制振材 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5830546A ( ) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59222894A (ja) * | 1983-05-31 | 1984-12-14 | 住友電気工業株式会社 | 吸音・制振材 |
| GB2283803B (en) * | 1993-11-09 | 1997-05-14 | Marconi Gec Ltd | Noise emission reduction |
| US6213721B1 (en) * | 1993-11-09 | 2001-04-10 | Thomson Marconi Sonar Limited | Noise emission reduction |
| JP4027068B2 (ja) * | 2001-10-11 | 2007-12-26 | 昭和電線デバイステクノロジー株式会社 | 吸音制振材 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5342270A (en) * | 1976-09-29 | 1978-04-17 | Mtp Kasei Kk | Method of manufacture of conjugate buffer material |
-
1981
- 1981-08-19 JP JP56128785A patent/JPS5830546A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5342270A (en) * | 1976-09-29 | 1978-04-17 | Mtp Kasei Kk | Method of manufacture of conjugate buffer material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5830546A (ja) | 1983-02-23 |
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