JPH0214497B2 - - Google Patents

Info

Publication number
JPH0214497B2
JPH0214497B2 JP60113404A JP11340485A JPH0214497B2 JP H0214497 B2 JPH0214497 B2 JP H0214497B2 JP 60113404 A JP60113404 A JP 60113404A JP 11340485 A JP11340485 A JP 11340485A JP H0214497 B2 JPH0214497 B2 JP H0214497B2
Authority
JP
Japan
Prior art keywords
inorganic
inorganic particles
sound absorption
porosity
sound
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
JP60113404A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61270434A (ja
Inventor
Yoshihiro Oota
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Priority to JP11340485A priority Critical patent/JPS61270434A/ja
Publication of JPS61270434A publication Critical patent/JPS61270434A/ja
Publication of JPH0214497B2 publication Critical patent/JPH0214497B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
JP11340485A 1985-05-27 1985-05-27 無機質吸音材 Granted JPS61270434A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11340485A JPS61270434A (ja) 1985-05-27 1985-05-27 無機質吸音材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11340485A JPS61270434A (ja) 1985-05-27 1985-05-27 無機質吸音材

Publications (2)

Publication Number Publication Date
JPS61270434A JPS61270434A (ja) 1986-11-29
JPH0214497B2 true JPH0214497B2 (enrdf_load_stackoverflow) 1990-04-09

Family

ID=14611432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11340485A Granted JPS61270434A (ja) 1985-05-27 1985-05-27 無機質吸音材

Country Status (1)

Country Link
JP (1) JPS61270434A (enrdf_load_stackoverflow)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130210A (en) * 1974-09-09 1976-03-15 Hitachi Chemical Co Ltd Kyuonban oyobi sonoseizoho
JPS5252909A (en) * 1975-10-24 1977-04-28 Nihon Cement Fireeresistant porous sounddabsorbing materials
JPS5930674B2 (ja) * 1977-04-26 1984-07-28 日本碍子株式会社 軽量吸音材
JPS57138948U (enrdf_load_stackoverflow) * 1981-02-18 1982-08-31

Also Published As

Publication number Publication date
JPS61270434A (ja) 1986-11-29

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Legal Events

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EXPY Cancellation because of completion of term