JPS5295201A - Acoustic material - Google Patents

Acoustic material

Info

Publication number
JPS5295201A
JPS5295201A JP1168276A JP1168276A JPS5295201A JP S5295201 A JPS5295201 A JP S5295201A JP 1168276 A JP1168276 A JP 1168276A JP 1168276 A JP1168276 A JP 1168276A JP S5295201 A JPS5295201 A JP S5295201A
Authority
JP
Japan
Prior art keywords
acoustic material
improve
plate
bonding
respectively provided
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.)
Granted
Application number
JP1168276A
Other languages
Japanese (ja)
Other versions
JPS533242B2 (en
Inventor
Takashi Otsuka
Takeo Koito
Toshihisa Senba
Susumu Matsuzaki
Hideaki Miyamae
Hideo Kikuchi
Toshiro Ninomiya
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.)
Oki Electric Industry Co Ltd
Technical Research and Development Institute of Japan Defence Agency
Yokohama Rubber Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
Technical Research and Development Institute of Japan Defence Agency
Yokohama Rubber 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 Oki Electric Industry Co Ltd, Technical Research and Development Institute of Japan Defence Agency, Yokohama Rubber Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP1168276A priority Critical patent/JPS5295201A/en
Publication of JPS5295201A publication Critical patent/JPS5295201A/en
Publication of JPS533242B2 publication Critical patent/JPS533242B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

PURPOSE: To improve sound absorption performance in deep water yet reduce weight and improve durability by bonding a sound absorbing plate and a reflecting plate composed of a rubberlike material respectively provided with specific cavities to both sides of a rigid metal plate.
COPYRIGHT: (C)1977,JPO&Japio
JP1168276A 1976-02-05 1976-02-05 Acoustic material Granted JPS5295201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1168276A JPS5295201A (en) 1976-02-05 1976-02-05 Acoustic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1168276A JPS5295201A (en) 1976-02-05 1976-02-05 Acoustic material

Publications (2)

Publication Number Publication Date
JPS5295201A true JPS5295201A (en) 1977-08-10
JPS533242B2 JPS533242B2 (en) 1978-02-04

Family

ID=11784765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1168276A Granted JPS5295201A (en) 1976-02-05 1976-02-05 Acoustic material

Country Status (1)

Country Link
JP (1) JPS5295201A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724244A (en) * 1980-05-01 1982-02-08 Iiieiiaaru Corp Sound absorbing laminated structure
JPS60225900A (en) * 1984-04-24 1985-11-11 津田　昌利 Impartment of sound absorbing property for structural material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5724244A (en) * 1980-05-01 1982-02-08 Iiieiiaaru Corp Sound absorbing laminated structure
JPS60225900A (en) * 1984-04-24 1985-11-11 津田　昌利 Impartment of sound absorbing property for structural material

Also Published As

Publication number Publication date
JPS533242B2 (en) 1978-02-04

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