JP2003076373A5 - - Google Patents

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Publication number
JP2003076373A5
JP2003076373A5 JP2001310703A JP2001310703A JP2003076373A5 JP 2003076373 A5 JP2003076373 A5 JP 2003076373A5 JP 2001310703 A JP2001310703 A JP 2001310703A JP 2001310703 A JP2001310703 A JP 2001310703A JP 2003076373 A5 JP2003076373 A5 JP 2003076373A5
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JP
Japan
Prior art keywords
layer
grams
square meter
underlay
acoustic device
Prior art date
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Abandoned
Application number
JP2001310703A
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Japanese (ja)
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JP2003076373A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2001310703A priority Critical patent/JP2003076373A/en
Priority claimed from JP2001310703A external-priority patent/JP2003076373A/en
Publication of JP2003076373A publication Critical patent/JP2003076373A/en
Publication of JP2003076373A5 publication Critical patent/JP2003076373A5/ja
Abandoned legal-status Critical Current

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Claims (16)

水不透過層と、
前記不透過層に隣接し、第２の層と前記第２層の密度よりも小さい密度を有する第１の層とを含む下敷と、
を含み、
前記下敷は、約２０００と約５０００ ｍｋｓ Ｒａｙｌｓとの間の特定の気流抵抗を有し、
前記第１及び第２層の間に配置された半透過層を含む、
ことを特徴とする音響装置。A water impervious layer;
An underlay that is adjacent to the impermeable layer and includes a second layer and a first layer having a density less than that of the second layer;
Including
The underlay has a specific airflow resistance between about 2000 and about 5000 mks Rayls;
Including a transflective layer disposed between the first and second layers;
An acoustic device characterized by that. 前記半透過層は、フィルムを含むことを特徴とする請求項１に記載の音響装置。  The acoustic device according to claim 1, wherein the semi-transmissive layer includes a film. 前記第１層は、約５００グラム／平方メートルと約１４００グラム／平方メートルとの間の表面密度を有することを特徴とする請求項１に記載の音響装置。  The acoustic device of claim 1, wherein the first layer has a surface density between about 500 grams / square meter and about 1400 grams / square meter. 前記第２層は、約５００グラム／平方メートルと約１４００グラム／平方メートルとの間の表面密度を有することを特徴とする請求項１に記載の音響装置。  The acoustic device of claim 1, wherein the second layer has a surface density between about 500 grams / square meter and about 1400 grams / square meter. 前記第２層は、前記不透過層に隣接することを特徴とする請求項１に記載の音響装置。  The acoustic device according to claim 1, wherein the second layer is adjacent to the impermeable layer. 前記第２層は、複合物であることを特徴とする請求項１に記載の音響装置。  The acoustic device according to claim 1, wherein the second layer is a composite. 前記下敷は、前記不透過層と騒音源との間に位置することを特徴とする請求項１に記載の音響装置。  The acoustic device according to claim 1, wherein the underlay is located between the impermeable layer and a noise source. 前記不透過層に隣接して位置する装飾層を更に含むことを特徴とする請求項１に記載の音響装置。  The acoustic device according to claim 1, further comprising a decoration layer positioned adjacent to the impermeable layer. 自動車への使用に向けて騒音抑制特性を有するカーペットであって、
水不透過層と、
前記不透過層に隣接し、第２の層と前記第２層の密度よりも小さい密度を有する第１の層とを含む下敷と、
を含み、
前記下敷は、約２０００と約５０００ ｍｋｓ Ｒａｙｌｓとの間の特定の気流抵抗を有し、
前記第１及び第２層は、約５００グラム／平方メートルと約１４００グラム／平方メートルとの間の表面密度を有する、
ことを特徴とするカーペット。A carpet having noise suppression characteristics for use in automobiles,
A water impervious layer;
An underlay that is adjacent to the impermeable layer and includes a second layer and a first layer having a density less than that of the second layer;
Including
The underlay has a specific airflow resistance between about 2000 and about 5000 mks Rayls;
The first and second layers have a surface density between about 500 grams / square meter and about 1400 grams / square meter;
Carpet characterized by that. 前記第１層と第２層との間に配置された半透過層を更に含むことを特徴とする請求項９に記載のカーペット。  The carpet of claim 9, further comprising a semi-transmissive layer disposed between the first layer and the second layer. 前記半透過層は、フィルムを含むことを特徴とする請求項１０に記載のカーペット。  The carpet according to claim 10, wherein the semi-transmissive layer includes a film. 前記第２層は、前記不透過層に隣接することを特徴とする請求項９に記載のカーペット。  The carpet according to claim 9, wherein the second layer is adjacent to the impermeable layer. 前記第２層は、複合物であることを特徴とする請求項９に記載のカーペット。  The carpet according to claim 9, wherein the second layer is a composite. 前記下敷は、前記不透過層と騒音源との間に位置することを特徴とする請求項９に記載のカーペット。  The carpet according to claim 9, wherein the underlay is located between the impervious layer and a noise source. 前記第１の層は、前記第２の層と騒音源との間に位置することを特徴とする請求項９に記載のカーペット。  The carpet according to claim 9, wherein the first layer is located between the second layer and a noise source. 不透過層と、
約５００グラム／平方メートルと約１４００グラム／平方メートルとの間の表面密度を有する第１の層、約５００グラム／平方メートルと約１４００グラム／平方メートルとの間の表面密度を有する第２の層、及び、半透過層を含み、前記不透過層に隣接する下敷と、
を含み、
前記下敷は、約２０００と約５０００ ｍｋｓ Ｒａｙｌｓとの間の特定の気流抵抗を有する、
ことを特徴とする、自動車の騒音を抑制する装置。An impermeable layer;
A first layer having a surface density between about 500 grams / square meter and about 1400 grams / square meter; a second layer having a surface density between about 500 grams / square meter and about 1400 grams / square meter; and An underlay comprising a translucent layer and adjacent to the impermeable layer;
Including
The underlay has a specific airflow resistance between about 2000 and about 5000 mks Rayls;
The apparatus which suppresses the noise of a motor vehicle characterized by the above-mentioned.
JP2001310703A 2001-08-31 2001-08-31 Lightweight acoustical system Abandoned JP2003076373A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001310703A JP2003076373A (en) 2001-08-31 2001-08-31 Lightweight acoustical system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001310703A JP2003076373A (en) 2001-08-31 2001-08-31 Lightweight acoustical system

Publications (2)

Publication Number Publication Date
JP2003076373A JP2003076373A (en) 2003-03-14
JP2003076373A5 true JP2003076373A5 (en) 2005-04-07

Family

ID=19129634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001310703A Abandoned JP2003076373A (en) 2001-08-31 2001-08-31 Lightweight acoustical system

Country Status (1)

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JP (1) JP2003076373A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100835672B1 (en) 2007-04-10 2008-06-09 덕산기업 주식회사 Flooring material of vehicle

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