JPS6411957B2 - - Google Patents

Info

Publication number
JPS6411957B2
JPS6411957B2 JP57013815A JP1381582A JPS6411957B2 JP S6411957 B2 JPS6411957 B2 JP S6411957B2 JP 57013815 A JP57013815 A JP 57013815A JP 1381582 A JP1381582 A JP 1381582A JP S6411957 B2 JPS6411957 B2 JP S6411957B2
Authority
JP
Japan
Prior art keywords
sound
metal
porous
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
Application number
JP57013815A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58129488A (ja
Inventor
Hidefusa Uchikawa
Hideharu Tanaka
Mutsuo Sekya
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP57013815A priority Critical patent/JPS58129488A/ja
Publication of JPS58129488A publication Critical patent/JPS58129488A/ja
Publication of JPS6411957B2 publication Critical patent/JPS6411957B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
JP57013815A 1982-01-28 1982-01-28 吸音材 Granted JPS58129488A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57013815A JPS58129488A (ja) 1982-01-28 1982-01-28 吸音材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57013815A JPS58129488A (ja) 1982-01-28 1982-01-28 吸音材

Publications (2)

Publication Number Publication Date
JPS58129488A JPS58129488A (ja) 1983-08-02
JPS6411957B2 true JPS6411957B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-02-27

Family

ID=11843766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57013815A Granted JPS58129488A (ja) 1982-01-28 1982-01-28 吸音材

Country Status (1)

Country Link
JP (1) JPS58129488A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4302967C1 (de) * 1993-02-03 1994-06-01 Elektro Gas Armaturen Oberflächenschutz bei porös gesinterten Eisen- und Stahlteilen

Also Published As

Publication number Publication date
JPS58129488A (ja) 1983-08-02

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