JPS522501A - Construction of acoustic absorbing material - Google Patents

Construction of acoustic absorbing material

Info

Publication number
JPS522501A
JPS522501A JP50076999A JP7699975A JPS522501A JP S522501 A JPS522501 A JP S522501A JP 50076999 A JP50076999 A JP 50076999A JP 7699975 A JP7699975 A JP 7699975A JP S522501 A JPS522501 A JP S522501A
Authority
JP
Japan
Prior art keywords
construction
acoustic absorbing
absorbing material
acoustic
bubbles
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.)
Pending
Application number
JP50076999A
Other languages
English (en)
Inventor
Masao Kumagai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50076999A priority Critical patent/JPS522501A/ja
Publication of JPS522501A publication Critical patent/JPS522501A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP50076999A 1975-06-24 1975-06-24 Construction of acoustic absorbing material Pending JPS522501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50076999A JPS522501A (en) 1975-06-24 1975-06-24 Construction of acoustic absorbing material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50076999A JPS522501A (en) 1975-06-24 1975-06-24 Construction of acoustic absorbing material

Publications (1)

Publication Number Publication Date
JPS522501A true JPS522501A (en) 1977-01-10

Family

ID=13621463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50076999A Pending JPS522501A (en) 1975-06-24 1975-06-24 Construction of acoustic absorbing material

Country Status (1)

Country Link
JP (1) JPS522501A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004323002A (ja) * 2003-04-11 2004-11-18 Nishikawa Rubber Co Ltd 遮音性シート
JP2005022477A (ja) * 2003-06-30 2005-01-27 Nishikawa Rubber Co Ltd 自動車用ドア構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004323002A (ja) * 2003-04-11 2004-11-18 Nishikawa Rubber Co Ltd 遮音性シート
JP2005022477A (ja) * 2003-06-30 2005-01-27 Nishikawa Rubber Co Ltd 自動車用ドア構造

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