WO1999008038A1 - Element d'isolation acoustique - Google Patents

Element d'isolation acoustique Download PDF

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Publication number
WO1999008038A1
WO1999008038A1 PCT/JP1997/002796 JP9702796W WO9908038A1 WO 1999008038 A1 WO1999008038 A1 WO 1999008038A1 JP 9702796 W JP9702796 W JP 9702796W WO 9908038 A1 WO9908038 A1 WO 9908038A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
sound
sound insulation
pipe
soundproofing
Prior art date
Application number
PCT/JP1997/002796
Other languages
English (en)
Japanese (ja)
Inventor
Yasuyuki Ohira
Mitsuo Hori
Original Assignee
Shishiai-Kabushikigaisha
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shishiai-Kabushikigaisha filed Critical Shishiai-Kabushikigaisha
Priority to PCT/JP1997/002796 priority Critical patent/WO1999008038A1/fr
Priority to JP51195199A priority patent/JP3470149B2/ja
Publication of WO1999008038A1 publication Critical patent/WO1999008038A1/fr

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
    • F16L9/00—Rigid pipes
    • F16L9/21—Rigid pipes made of sound-absorbing materials or with sound-absorbing structure
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8442—Tray type elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8457—Solid slabs or blocks
    • E04B2001/8461—Solid slabs or blocks layered

Definitions

  • the present invention relates to a soundproof member applied to piping such as a plumbing device and an air conditioner of a building. More specifically, the present invention relates to a soundproof member that is lightweight, has excellent handleability, and has excellent soundproof performance.
  • BACKGROUND ART In recent years, as the comfort of indoor environments and living spaces is increasingly demanded, noise measures have been greatly emphasized, and rational and reliable measures against plumbing and other plumbing noises have been made by the industry. Development is underway.
  • a sound-insulating member In order to respond to such demands, a sound-insulating member has been proposed in which a sound-insulating layer made of an asphalt sheet is laminated with a power-sound absorbing layer such as an air-cushion sheet, glass wool, and phenolate.
  • a power-sound absorbing layer such as an air-cushion sheet, glass wool, and phenolate.
  • the present invention has been made in view of such circumstances, and has as its object to provide a soundproof member that is lightweight, has excellent handleability, and has excellent soundproof performance.
  • a soundproofing member applied to a plumbing system of a building water supply / drainage device or an air conditioner, and has a surface density of 1.5 to 5.O kg / m. 2 of the sound insulation layer and the thickness of 4. 0: the soundproofing member characterized by having a sound absorbing layer 10. Omm to its gist.
  • a combination of the sound insulation layer, the vibration suppression layer, the vibration suppression layer, and the sound absorption layer a combination of the sound insulation layer, the vibration suppression layer, and the sound absorption layer, the sound insulation layer, the vibration suppression layer, and the sound absorption layer
  • the combination of the layers, or the combination of the sound insulation layer and the sound absorption layer may take the form of misalignment.
  • the sound absorbing layer a layer made of a urethane chip product of a recycled material can be suitably used.
  • the soundproofing member may have a form in which the outer surface is covered with a heat-shrinkable film such as polyvinyl chloride, polyethylene, polyester, polypropylene, and polystyrene. Further, in this soundproofing member, both ends of the pipe can be left attached to the circumference of the pipe so as to be slidable.
  • the soundproof tube member of the present invention is lightweight because it has a sound insulating layer with an area density of 1.5 to 5. O kg / m 2 and a sound absorbing layer with a thickness of 4.0 to 10. Omm. , take It is easy to handle and has excellent soundproofing performance.
  • FIG. 1 is an enlarged sectional view of a main part showing a soundproof member of the present invention.
  • FIG. 2 is a perspective view showing the soundproof member of the present invention.
  • FIG. 3 is a perspective view showing a state where the soundproof member of the present invention is applied to a straight pipe.
  • FIG. 4 is an enlarged sectional view of a main part showing another example of the soundproofing member of the present invention.
  • FIG. 5 is a perspective view showing a state in which the soundproof member of the present invention is piped.
  • BEST MODE FOR CARRYING OUT THE INVENTION a soundproof member of the present invention will be described in detail according to an embodiment shown in the drawings.
  • INDUSTRIAL APPLICABILITY The soundproofing member of the present invention is applied to piping such as a water supply / drainage device or an air conditioner of a building, and the piping is a conventionally used straight pipe or L pipe, and its shape and thickness are large. The length and length are arbitrary.
  • the soundproofing member of the present invention may be attached to the peripheral surface of the pipe via an adhesive or a pressure-sensitive adhesive, or may be wound around the peripheral surface of the pipe and fastened with a tape or a belt from above. It is possible to adopt a form in which it is mounted at the site, or a form in which it is mounted around the piping in advance so that the work on the site can be omitted. Examples of forms that can eliminate the mounting work include straight pipes and L pipes that are used. There is a type in which a soundproofing member corresponding to the shape and size is attached in advance around a pipe via an adhesive or an adhesive. The soundproofing member 11 shown in Fig.
  • the outer surface is made of a heat-shrinkable film 12 of polyvinyl chloride, polyethylene, polyester, polypropylene, polystyrene, etc. It is what covered.
  • the soundproofing member 11 whose outer surface is covered with the heat-shrinkable film 12, the soundproofing member 11 is fitted into the pipe 10 without using an adhesive or an adhesive, and is heated to heat the film 12 on the outer surface. Can be thermally contracted, and the soundproof member 11 can be tightened and attached to the pipe 10. Further, like the soundproof member shown in FIG. 3, the both ends of the pipe 10 may be left so as to be slidably attached to the peripheral surface of the pipe 10. Fig.
  • FIG. 3 shows the case where the soundproofing member 11 is applied to the pipe 10 (straight pipe).
  • the soundproofing member 11 is attached, leaving both ends fitted into the L pipe, and this can be slid. Things. That is, the soundproofing member 11 in FIG. 3 has the outer surface covered with the above-described heat-shrinkable film 12, and the soundproofing member 11 is fitted to the pipe 10 without using an adhesive or an adhesive. Then, this is heated to thermally shrink the film 12 on the outer surface, so that the soundproof member 11 is fastened and attached to the pipe 10. Thereby, the soundproof member 11 can be slid around the pipe 10.
  • the soundproofing member 11 is attached to the pipe 10 in advance, if it becomes necessary to cut the pipe 10 to an appropriate length at the site according to the situation of the factory, the soundproofing member 11 is required.
  • the pipe 10 can be slid to one side of the pipe 10 and only the other end of the pipe 10 needs to be cut, and the length of the pipe 10 can be adjusted more efficiently.
  • the soundproof member 11 of the present invention has a sound insulating layer 13 and a sound absorbing layer 15.
  • the material is not limited as long as the sound insulation layer 13 has a surface density of 1.5 to 5. O kg / m 2 .
  • At least one or more of the monomers copolymerizable with the vinyl chloride monomer is randomized.
  • Vinyl chloride copolymer resin obtained by copolymerization or block copolymerization such as vinyl acetate vinyl chloride copolymer, ethylene-vinyl chloride copolymer, vinylidene chloride-vinyl chloride copolymer, or vinyl chloride monomer
  • a vinyl chloride graft copolymer resin obtained by graft copolymerization such as a vinyl chloride resin such as an ethylene monoacetate-vinyl chloride graft copolymer or a polyurethane monovinyl chloride graft copolymer.
  • the sound insulation layer 13 has a surface density (kg Zm 2) in the above range, because the weight of the sound insulation layer 13 itself becomes heavy, and the workability is deteriorated. ).
  • the sound insulation layer 13 is filled with a filler such as calcium carbonate, talc, magnesium oxide, alumina, titanium oxide, barite, iron oxide, zinc oxide, graphite, etc. to improve sound insulation. Can be.
  • the filler is preferably filled with a filling amount of 50 to 95% by weight so that the mechanical strength of the sound insulating layer 13 does not decrease while securing sufficient sound insulating properties. Needless to say, in addition to the improvement of the sound insulation, the filling of the filler can also adjust the viscosity of the sound insulation layer 13 and reduce the mixing cost.
  • the sound-absorbing layer 15 is made of a resin such as urethane, black lipene, styrene-butadiene copolymer, polyethylene, polypropylene, ethylene vinyl acetate, and styrene, alone or in combination. It is 10.0 mm.
  • the sound absorbing layer 15 preferably has an open-cell structure in order to ensure better sound absorbing properties.
  • the expansion ratio when the sound absorbing layer 15 has a foamed structure is arbitrary, but is preferably from 10 to 50 times from the viewpoint of ensuring good sound absorbing properties.
  • the sound absorbing layer 15 may be perforated, slitted, or the like to further enhance the sound absorbing properties.
  • the soundproofing member 11 of the present invention includes a sound-insulating layer 13 and a sound-absorbing layer 15, as well as a damping layer 14 and a vibration-proofing layer. Anything can be added and used freely. More specifically, a sound insulating layer, a vibration damping layer, a vibration damping layer, and a sound absorbing layer, a sound insulating layer, a damping layer, and a sound absorbing layer, a sound insulating layer, a vibration damping layer, and a sound absorbing layer. It can take any form.
  • the vibration damping layer 14 include a material obtained by compounding rubber with the vinyl chloride resin.
  • the rubber includes acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), butadiene rubber (BR), natural rubber (NR), isoprene rubber (IR) and the like.
  • NBR acrylonitrile-butadiene rubber
  • SBR styrene-butadiene rubber
  • BR butadiene rubber
  • NR natural rubber
  • IR isoprene rubber
  • the damping layer 14 can be filled with a filler like the sound insulating layer 13 to improve the damping property.
  • a filler the same one as exemplified in the place of the sound insulation layer 13 can be used.
  • the vibration-proof layer is mainly made of rubber-based materials such as acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), butadiene rubber (BR), natural rubber (NR), and isoprene rubber (IR). And those obtained by blending a resin with these rubber-based materials.
  • the vibration isolating layer may be filled with a filler such as carbon black or calcium carbonate.
  • a filler such as carbon black or calcium carbonate.
  • the sound insulating layer and the sound damping layer may be replaced with those having different layers. It is also possible to use a single layer of sound insulation and vibration damping layer having these properties.
  • the sound insulation damping layer for example, a resin matrix made of a vinyl chloride resin and filled with a piece of Myricin as shown in JP-A-8-73648, A resin matrix composed of a vinyl chloride resin and filled with myriki pieces and calcium carbonate can be used.
  • the soundproofing member 11 of the present invention has a soundproofing layer, a sound absorbing layer, and, if necessary, a vibration damping layer and a vibration damping layer, so that an excellent soundproofing effect can be derived.
  • the soundproof member 11 shown in FIG. 1 has a sound insulation layer 13, a sound absorption layer 15, and a vibration suppression layer 14, and the sound insulation layer 13, the vibration suppression layer 14, and the sound absorption layer 15
  • the sound-absorbing member 11 was attached to the outer periphery of the pipe 10 so that the sound-absorbing layer 15 of the sound-insulating member 11 was located on the side of the pipe 10 via the adhesive layer 16, which generated from the pipe 10.
  • Example A sound insulation sheet (thickness: 2 mm) having a surface density shown in Table 1 below, in which ballite was filled in a resin matrix made of vinyl chloride resin, and urethane were crushed and re-formed. Molded chip product (density: 0.05) (manufactured by INOAT CORPORATION).
  • the sound-absorbing sheet (thickness shown in Fig. 4) is laminated and integrated with the sound absorbing sheet having the thickness shown in Table 1. Produced.
  • This soundproofing member 11 is attached around the pipe 10 (straight pipe) with the sound absorbing sheet 15 inside, and a polyethylene film 12 is laminated on the outer surface of the sound insulating sheet 13 and heated. Then, the polyethylene film 12 was shrunk, and the soundproof member 11 was attached to the pipe 10.
  • Table 1
  • each sample to which the soundproofing members of Examples 1 to 16 above were applied was placed at a location lm away from pipes (drain pipes) 10 when draining noise was generated when water was flowed through pipes.
  • the sound level was measured by a sound level meter (LA-210, manufactured by Ono Sokki Co., Ltd.), the noise level was measured, and the frequency was analyzed by an FFT analyzer (CF-350, manufactured by Ono Sokki Co., Ltd.). .
  • the results are shown in Table 2.
  • Table 2 shows the work of carrying the soundproofing member and attaching it to piping.
  • Example 2 the number of samples without soundproofing members (tube only) is about 54, whereas those with soundproofing materials 1 to 16 are higher than 9.8 dB. In this case, a reduction effect of 17.6 dB was confirmed.
  • all of Examples 1 to 3, Examples 5 to 7, and Examples 10 to 12 were evaluated as ⁇ .
  • Example 4 Example 8, Example 12 to Example 15 Alternatively, any of the workability was evaluated as ⁇ .
  • Example 16 both workability and workability were evaluated as good.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Pipe Accessories (AREA)

Abstract

Cet élément d'isolation acoustique est utilisable avec un équipement de plomberie ainsi qu'avec une tuyauterie pour installation de conditionnement de l'air dans des immeubles. Cet élément, qui est pourvu d'un revêtement d'isolation acoustique d'une densité surfacique comprise entre 1,5 et 5,0 kg/m2 ainsi que d'une couche d'isolant acoustique d'une épaisseur comprise entre 4,0 et 10,0 mm, est léger et facile à manipuler tout en faisant montre de remarquables qualités d'isolation acoustique.
PCT/JP1997/002796 1997-08-08 1997-08-08 Element d'isolation acoustique WO1999008038A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP1997/002796 WO1999008038A1 (fr) 1997-08-08 1997-08-08 Element d'isolation acoustique
JP51195199A JP3470149B2 (ja) 1997-08-08 1997-08-08 防音部材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1997/002796 WO1999008038A1 (fr) 1997-08-08 1997-08-08 Element d'isolation acoustique

Publications (1)

Publication Number Publication Date
WO1999008038A1 true WO1999008038A1 (fr) 1999-02-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1997/002796 WO1999008038A1 (fr) 1997-08-08 1997-08-08 Element d'isolation acoustique

Country Status (2)

Country Link
JP (1) JP3470149B2 (fr)
WO (1) WO1999008038A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000058659A1 (fr) * 1999-03-26 2000-10-05 Paroc Group Oy Ab Silencieux pour conduites d'air ou de gaz
JP2002139176A (ja) * 2000-10-31 2002-05-17 Cci Corp 防音排水管
JP2006283847A (ja) * 2005-03-31 2006-10-19 Kyowa Ltd 遮音カバー及び遮音カバー付配管体
JP2007321891A (ja) * 2006-06-01 2007-12-13 Nanao Kogyo Kk 配管の遮音方法
JP2013057377A (ja) * 2011-09-09 2013-03-28 Showa Denko Kenzai Kk 配管防音被覆構造

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2006059385A1 (ja) * 2004-12-02 2008-06-05 シーシーアイ株式会社 防音被覆材及び防音排水管
KR100732711B1 (ko) * 2005-07-20 2007-06-27 씨씨아이 가부시키가이샤 방음피복재 및 방음배수관

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425514U (fr) * 1977-07-22 1979-02-20
JPS5693591U (fr) * 1979-12-20 1981-07-25
JPS62196527U (fr) * 1986-06-02 1987-12-14
JPH0394496U (fr) * 1990-01-19 1991-09-26
JPH08170783A (ja) * 1994-12-19 1996-07-02 Tokyu Koken Kk 流体配管用包囲体及び流体配管用包囲体接合部材

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425514U (fr) * 1977-07-22 1979-02-20
JPS5693591U (fr) * 1979-12-20 1981-07-25
JPS62196527U (fr) * 1986-06-02 1987-12-14
JPH0394496U (fr) * 1990-01-19 1991-09-26
JPH08170783A (ja) * 1994-12-19 1996-07-02 Tokyu Koken Kk 流体配管用包囲体及び流体配管用包囲体接合部材

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000058659A1 (fr) * 1999-03-26 2000-10-05 Paroc Group Oy Ab Silencieux pour conduites d'air ou de gaz
JP2002139176A (ja) * 2000-10-31 2002-05-17 Cci Corp 防音排水管
JP2006283847A (ja) * 2005-03-31 2006-10-19 Kyowa Ltd 遮音カバー及び遮音カバー付配管体
JP4621529B2 (ja) * 2005-03-31 2011-01-26 株式会社共和 遮音カバー及び遮音カバー付配管体
JP2007321891A (ja) * 2006-06-01 2007-12-13 Nanao Kogyo Kk 配管の遮音方法
JP2013057377A (ja) * 2011-09-09 2013-03-28 Showa Denko Kenzai Kk 配管防音被覆構造

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