JPH0579762B2 - - Google Patents

Info

Publication number
JPH0579762B2
JPH0579762B2 JP60072751A JP7275185A JPH0579762B2 JP H0579762 B2 JPH0579762 B2 JP H0579762B2 JP 60072751 A JP60072751 A JP 60072751A JP 7275185 A JP7275185 A JP 7275185A JP H0579762 B2 JPH0579762 B2 JP H0579762B2
Authority
JP
Japan
Prior art keywords
sound
concrete
rigid
sound absorbing
absorbing material
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
Application number
JP60072751A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61233106A (ja
Inventor
Hiroshi Nakada
Nobuyuki Tanaka
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP7275185A priority Critical patent/JPS61233106A/ja
Publication of JPS61233106A publication Critical patent/JPS61233106A/ja
Publication of JPH0579762B2 publication Critical patent/JPH0579762B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
JP7275185A 1985-04-08 1985-04-08 剛体吸音板 Granted JPS61233106A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7275185A JPS61233106A (ja) 1985-04-08 1985-04-08 剛体吸音板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7275185A JPS61233106A (ja) 1985-04-08 1985-04-08 剛体吸音板

Publications (2)

Publication Number Publication Date
JPS61233106A JPS61233106A (ja) 1986-10-17
JPH0579762B2 true JPH0579762B2 (enrdf_load_stackoverflow) 1993-11-04

Family

ID=13498368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7275185A Granted JPS61233106A (ja) 1985-04-08 1985-04-08 剛体吸音板

Country Status (1)

Country Link
JP (1) JPS61233106A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108867904A (zh) * 2018-07-06 2018-11-23 长春理工大学 在低频频段具有高吸声系数的薄型多层吸声板

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100376514B1 (ko) * 1999-08-02 2003-03-17 주식회사 포스코 고로 너트 코크스의 평량 제어방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5171005U (enrdf_load_stackoverflow) * 1974-11-30 1976-06-04
JPS57161213A (en) * 1981-03-28 1982-10-04 Nippon Sheet Glass Co Ltd Sound attenuating panel for sound-proof wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108867904A (zh) * 2018-07-06 2018-11-23 长春理工大学 在低频频段具有高吸声系数的薄型多层吸声板

Also Published As

Publication number Publication date
JPS61233106A (ja) 1986-10-17

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