WO2006059385A1 - 防音被覆材及び防音排水管 - Google Patents
防音被覆材及び防音排水管 Download PDFInfo
- Publication number
- WO2006059385A1 WO2006059385A1 PCT/JP2004/017933 JP2004017933W WO2006059385A1 WO 2006059385 A1 WO2006059385 A1 WO 2006059385A1 JP 2004017933 W JP2004017933 W JP 2004017933W WO 2006059385 A1 WO2006059385 A1 WO 2006059385A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- soundproof
- pipe
- heat
- drain pipe
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
Definitions
- the present invention relates to a soundproof coating material and a soundproof drain pipe applied to piping of a building water supply / drainage device, an air conditioner and the like. More specifically, the present invention relates to a soundproof coating material and a soundproof drain pipe that can be securely and smoothly attached to a soundproof layer around the pipe, have excellent handleability, and effectively reduce water supply and drainage noise.
- Patent Document a soundproof drain pipe that is lightweight, excellent in handleability, and excellent in soundproof performance
- This soundproof drainpipe is covered with a soundproof layer consisting of a sound insulation outer layer with a surface density of 1.5-5. OkgZm 2 and a sound absorption inner layer with a thickness of 4.0—10 Omm.
- a heat-shrinkable film is covered with a tubular heat-condensable film on the layer, and the heat-shrinkable film is heat-shrinked so that the soundproof layer is clamped around the tube and slidably attached.
- Patent Document 1 Japanese Patent No. 3470149
- the present invention is a further improvement of the above-mentioned soundproof drain pipe proposed by the present inventor, and the problem to be solved is a more reliable and smooth attachment of the soundproof layer around the pipe.
- the soundproof layer is rounded and covered around the pipe, and then a cylindrical heat-shrinkable film is placed on the soundproof layer, and the heat-shrinkable film is covered.
- the film was heat-shrinked, and the soundproof layer was attached around the pipe using the ⁇ ⁇ procedure.
- the soundproof layer when the soundproof layer is rolled over the circumference of the tube, depending on the type of the soundproof layer, that is, the sound insulation outer layer and the sound absorption inner layer, the sound insulation layer does not smoothly fit around the tube, or is not familiar. It may be difficult to get around.
- the soundproof layer is attached to the periphery of the tube by force that cannot be covered with the tubular heat-shrinkable film or by heat-shrinking the tubular heat-shrinkable film.
- the soundproof layer around the pipe is wrinkled and has a force that cannot secure sufficient soundproof performance, or the soundproof layer cannot slide around the pipe. It may cause problems such as falling off.
- the present invention is an improvement of the invention relating to the soundproofing coating material and the soundproof drain pipe proposed by the present inventor, can be more reliably and smoothly attached to the periphery of the soundproof layer, has excellent handleability,
- the purpose is to provide a soundproof covering material and a soundproof drain pipe that can effectively reduce water supply and drainage noise.
- the invention according to claim 15 is characterized in that in a soundproof coating material that effectively reduces noise in water supply and drainage by covering the periphery of the pipe, the soundproof layer that covers the pipe, A cylindrical heat-shrinkable layer overlying the soundproof layer, the soundproof layer comprising: 1. OX 10 6 — 3. OX 10 6 Pa sound insulation outer layer, and 0.5 X 10 3 — 2.
- the gist of the soundproofing coating material is characterized by comprising a sound absorbing inner layer having an elastic modulus of OX 10 3 Pa.
- the invention described in claim 6-11 is characterized in that a sound insulation outer layer having an elastic modulus of 1. OX 10 6 — 3. OX 10 6 Pa around the pipe, and 0.5 X 10 3 — 2.0 X
- the soundproofing layer is covered with a sound absorbing inner layer having an elastic modulus of 10 3 Pa, a cylindrical heat shrinkable layer is placed on the soundproofing layer, and the cylindrical heat shrinkable layer is heat shrunk to thereby heat-shrink the soundproofing layer.
- the gist is a soundproof drain pipe with a layer attached around the pipe.
- the soundproofing layer to be covered around the pipe is 1. OX 10 6 — 3. OX 10 6 Pa sound-insulating outer layer, and 0.5 X
- the sound absorption inner layer having a modulus of elasticity of 10 3 — 2. 0 X 10 3 Pa, so that a more reliable and smooth sound insulation layer can be attached around the tube and obtained.
- 6-11 The soundproof drainage pipe has excellent handling characteristics that the soundproof layer does not slide around the pipe, and the soundproof layer does not fall out of the pipe during handling or transportation, and effectively reduces water supply and drainage noise. Turn into.
- FIG. 1 is an enlarged cross-sectional view of a main part showing a soundproof drain pipe of the present invention.
- FIG. 2 is a perspective view showing a soundproof drain pipe in which the present invention is applied to an L pipe.
- FIG. 3 is a perspective view showing a soundproof drain pipe in which the present invention is applied to a straight pipe.
- FIG. 4 is a perspective view showing a piping structure using the soundproof drain pipe of the present invention. Explanation of symbols
- Fig. 1 Fig. 3 shows a soundproof drain pipe in which the soundproof covering material of the present invention is attached around the pipe.
- the pipe 10 to which the soundproof coating material of the present invention is attached around the pipe is applied to piping of a building water supply / drainage device, an air conditioner, and the like, and has been used conventionally, such as a straight pipe or an L pipe.
- the thickness, shape, length, etc. are completely arbitrary.
- the soundproof coating material 11 of the present invention is attached around the pipe in accordance with the type of pipe 10 to be covered, that is, the thickness, shape and length of the pipe.
- the soundproof coating material 11 of the present invention includes a soundproof layer 12 that covers the tube 10 and a cylindrical heat shrinkable layer 13 that covers the soundproof layer 12.
- the soundproof layer 12 has the greatest feature of the present invention, and includes a sound insulation outer layer 14 and a sound absorption inner layer 15.
- the sound insulation outer layer 14 is a layer having sound insulation performance that blocks transmission of water supply and drainage noise from the inside of the pipe 10, and is characterized by having an elastic modulus of 1. OX 10 6 — 3. OX 10 6 Pa. It is a thing. When the elastic modulus of the sound insulation outer layer 14 is outside the above range, the sound insulation layer 12 of the sound insulation drainpipe 20 obtained from the sound insulation drain tube 20 cannot be attached more reliably and smoothly. There is a risk that it may cause adverse effects such as a force that cannot slide around, or the soundproof layer 12 falling off from around the tube 10 during handling or transportation.
- the sound insulation outer layer 14 has a surface density of 1.5-5. Okg / in order to obtain sufficient sound insulation performance. m 2 is desirable. If the surface density of the sound insulation outer layer 14 is less than 1.5 kgZm 2 , sufficient sound insulation performance cannot be obtained, and if the surface density exceeds 5. OkgZm 2 , the sound insulation outer layer 14 itself becomes heavy and work This is because there is a risk of problems such as worsening
- the material of the sound insulation outer layer 14 is not particularly limited.
- NBR acrylonitrile butadiene rubber
- SBR styrene butadiene rubber
- BR butadiene rubber
- NR natural rubber
- IR isoprene rubber
- polybula As a preferable example, one kind or a mixture thereof selected from medium forces such as a composite polymer of settal Z phenol and epoxy Z polyamide can be given.
- the sound insulation outer layer 14 is filled with a filler such as calcium carbonate, talc, magnesium oxide, alumina, titanium oxide, barite, iron oxide, zinc oxide, and graphite to improve sound insulation performance. be able to.
- a filler such as calcium carbonate, talc, magnesium oxide, alumina, titanium oxide, barite, iron oxide, zinc oxide, and graphite to improve sound insulation performance. be able to.
- the filler is preferably filled with a filling amount of 50 to 95% by weight so that the mechanical strength of the sound insulation outer layer 14 is not lowered while ensuring a sufficient sound insulation performance. Needless to say, by adjusting the filling amount of the filler, in addition to improving the sound insulation performance, the viscosity of the sound insulation outer layer 14 can be adjusted and the blending cost can be reduced.
- the sound absorbing inner layer 15 is a layer having a sound absorbing performance that attenuates by converting the energy of the water supply / drainage noise from the pipe 10 into heat, and 0.5 X 10 3 — 2.0 X 10 3 Pa It is characterized by having an elastic modulus of. If the elastic modulus of the sound absorbing inner layer 15 is outside the above range, the soundproofing layer 12 cannot be attached to the periphery of the tube 10 more reliably and smoothly. The soundproof layer 12 may fall off from around the tube 10 during handling or transportation, and may cause adverse effects.
- the material of the sound-absorbing inner layer 15 is not particularly limited, but it is preferable to use a resin such as urethane, black-prene, styrene-butadiene copolymer, polyethylene, polypropylene, ethylene acetate butyl, and styrene alone or in combination. ,. Especially from urethane chips made from recycled materials What becomes is more preferable in terms of cost.
- a resin such as urethane, black-prene, styrene-butadiene copolymer, polyethylene, polypropylene, ethylene acetate butyl, and styrene alone or in combination.
- the sound absorbing inner layer 15 preferably has an open cell structure in order to ensure better sound absorbing performance.
- the expansion ratio in the case where the sound absorbing layer 15 has a foam structure is arbitrary, but is preferably 10 to 50 times from the viewpoint of ensuring good sound absorption. Further, in order to further improve the sound absorbing performance, the sound absorbing inner layer 15 may be subjected to a drilling force or slit processing.
- the sound absorbing inner layer 15 preferably has a thickness of 4.000-10.OOmm. This is because when the thickness of the sound absorbing inner layer 15 is less than 4. Omm, sufficient sound absorbing performance cannot be obtained, and when the thickness exceeds 10. Omm, the sound absorbing coating material 11 becomes bulky. This is because when the pipe 10 is attached around the pipe 10, the pipe 10 cannot be piped into the space of the construction site, which may cause a situation.
- the sound insulating outer layer 14 and the sound absorbing inner layer 15 are laminated and integrated through an adhesive after being cut into a size and shape corresponding to the type of tube 10 to be covered, that is, the thickness, shape, and length of the tube.
- the soundproof layer 12 is formed.
- the sound insulation outer layer 14 and the sound absorption inner layer 15 constituting the sound insulation layer 12 do not necessarily have to be integrated, but may be simply laminated.
- the cylindrical heat-shrinkable layer 13 also has a heat-shrinkable film force selected from polyvinyl chloride, polyethylene, polyester, polypropylene, polystyrene, and the tubular heat-shrinkable layer 13 is provided around the tube 10.
- the soundproof layer 12 is slidably mounted around the tube 10 by heat contraction of the heat shrinkable layer 13.
- the thermal contraction rate of the cylindrical heat-shrinkable layer 13 is preferably 10-45%. If the heat shrinkage rate is out of the above range, there is a fear that a sufficient function as a mounting means for slidably mounting the soundproof layer 12 around the pipe 10 is not exhibited.
- FIG. 2 is applied to a pipe (L pipe) in a joint portion
- FIG. 3 is a straight pipe. Is applied.
- a sound insulating sheet (S COM2.3, manufactured by Suzu Steel Corporation) with an elastic modulus of 2. l X 10 6 Pa and an areal density of 2.3 kgZm 2 and an elastic modulus of 1.
- a soundproofing layer that is laminated and integrated with an adhesive with a sound-absorbing sheet with a thickness of 5 mm at 0 X 10 3 Pa (mold chip product remolded by pulverizing urethane, density 0.05, manufactured by Ino-Akko Co., Ltd.) was made.
- the elastic modulus of the sound insulation sheet constituting the soundproof layer was determined in accordance with a tensile test specified in JIS K 7127.
- the tensile speed in the test was 50. OmmZ seconds, and the chuck interval was 80 mm.
- the elastic modulus of the sound-absorbing sheet constituting the soundproof layer was determined in accordance with a compression test stipulated in JIS K 6767.
- the shape of the test piece was 100 ⁇ 100 ⁇ 30 mm, and the compression speed was 20. Om mZ seconds.
- the obtained soundproof layer is cut according to the outer diameter and length of the straight pipe and the L pipe, and the soundproof layer is smoothly wrapped around the pipe with the sound absorbing sheet inside. From the viewpoints of conforming, disagreeing, adapting, and dissatisfying, the results of a three-stage evaluation of ⁇ , X, and ⁇ were all ⁇ .
- the above-mentioned soundproof layer was placed around the pipes of the straight pipe and the L pipe, and a tubular heat-shrinkable film was placed on the soundproof layer and heated to attach the soundproof layer around the pipe.
- the noise level was measured at a distance of lm away from the pipe (soundproof drain pipe 20) 10 when the water flowed as shown in Fig. 4 (LA-210, manufactured by Ono Sokki Co., Ltd.) was picked up, the noise level was measured, and frequency analysis was performed using an FFT analyzer (CF-350, manufactured by Ono Sokki Co., Ltd.).
- FFT analyzer CF-350, manufactured by Ono Sokki Co., Ltd.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Thermal Insulation (AREA)
- Sink And Installation For Waste Water (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006546552A JPWO2006059385A1 (ja) | 2004-12-02 | 2004-12-02 | 防音被覆材及び防音排水管 |
PCT/JP2004/017933 WO2006059385A1 (ja) | 2004-12-02 | 2004-12-02 | 防音被覆材及び防音排水管 |
CNB2004800006375A CN100455872C (zh) | 2004-12-02 | 2004-12-02 | 隔音覆盖材料及隔音排水管 |
TW094104428A TWI266023B (en) | 2004-12-02 | 2005-02-16 | Soundproof coating material and soundproof drainage tube |
HK07101864.4A HK1097897A1 (en) | 2004-12-02 | 2007-02-15 | Soundproof coating material and soundproof drain pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/017933 WO2006059385A1 (ja) | 2004-12-02 | 2004-12-02 | 防音被覆材及び防音排水管 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006059385A1 true WO2006059385A1 (ja) | 2006-06-08 |
Family
ID=36564829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/017933 WO2006059385A1 (ja) | 2004-12-02 | 2004-12-02 | 防音被覆材及び防音排水管 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPWO2006059385A1 (ja) |
CN (1) | CN100455872C (ja) |
HK (1) | HK1097897A1 (ja) |
TW (1) | TWI266023B (ja) |
WO (1) | WO2006059385A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101278985B1 (ko) * | 2010-12-10 | 2013-07-02 | 이종태 | 양변기용 배수관장치 |
CN106739313A (zh) * | 2016-12-23 | 2017-05-31 | 广西德福特科技有限公司 | 一种复合材料绝热消音管及其制备方法 |
CN107842506A (zh) * | 2017-11-01 | 2018-03-27 | 成都吱吖科技有限公司 | 一种用于螺杆压缩机出口的消音装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3470149B2 (ja) * | 1997-08-08 | 2003-11-25 | シーシーアイ株式会社 | 防音部材 |
-
2004
- 2004-12-02 JP JP2006546552A patent/JPWO2006059385A1/ja active Pending
- 2004-12-02 WO PCT/JP2004/017933 patent/WO2006059385A1/ja active Application Filing
- 2004-12-02 CN CNB2004800006375A patent/CN100455872C/zh active Active
-
2005
- 2005-02-16 TW TW094104428A patent/TWI266023B/zh not_active IP Right Cessation
-
2007
- 2007-02-15 HK HK07101864.4A patent/HK1097897A1/xx not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3470149B2 (ja) * | 1997-08-08 | 2003-11-25 | シーシーアイ株式会社 | 防音部材 |
Also Published As
Publication number | Publication date |
---|---|
HK1097897A1 (en) | 2007-07-06 |
TW200619545A (en) | 2006-06-16 |
JPWO2006059385A1 (ja) | 2008-06-05 |
CN1860325A (zh) | 2006-11-08 |
TWI266023B (en) | 2006-11-11 |
CN100455872C (zh) | 2009-01-28 |
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