JPS62120800U - - Google Patents

Info

Publication number
JPS62120800U
JPS62120800U JP840886U JP840886U JPS62120800U JP S62120800 U JPS62120800 U JP S62120800U JP 840886 U JP840886 U JP 840886U JP 840886 U JP840886 U JP 840886U JP S62120800 U JPS62120800 U JP S62120800U
Authority
JP
Japan
Prior art keywords
absorbing material
sound
prevention layer
layer
marine organism
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
JP840886U
Other languages
Japanese (ja)
Other versions
JPH059758Y2 (en
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 filed Critical
Priority to JP840886U priority Critical patent/JPH059758Y2/ja
Publication of JPS62120800U publication Critical patent/JPS62120800U/ja
Application granted granted Critical
Publication of JPH059758Y2 publication Critical patent/JPH059758Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

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

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の海中吸音材の一例の断面説明
図である。 １……海中生物付着防止層、２……透水防止層
、３……吸音材層、３１……独立空隙。 FIG. 1 is an explanatory cross-sectional view of an example of the underwater sound-absorbing material of the present invention. 1... Sea creature adhesion prevention layer, 2... Water permeation prevention layer, 3... Sound absorbing material layer, 31... Independent voids.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 吸音材層の上に海中生物付着防止層を設けた海
中吸音材において、前記吸音材層と前記海中生物
付着防止層との間に、水の透過係数５×１０−８
（ｇ・ｈｒ−１・ｃｍ−１・ｍｍＨｇ−１）以下
の材料の透水防止層を配設したことを特徴とする
海中吸音材。 In an underwater sound-absorbing material in which a marine organism adhesion prevention layer is provided on a sound-absorbing material layer, a water permeability coefficient of 5×10 −8 is provided between the sound-absorbing material layer and the marine organism adhesion prevention layer.
(g·hr −1 ·cm −1 ·mmHg −1 ) An underwater sound-absorbing material characterized by disposing a water permeation prevention layer of the following material.
JP840886U 1986-01-25 1986-01-25 Expired - Lifetime JPH059758Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP840886U JPH059758Y2 (en) 1986-01-25 1986-01-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP840886U JPH059758Y2 (en) 1986-01-25 1986-01-25

Publications (2)

Publication Number Publication Date
JPS62120800U true JPS62120800U (en) 1987-07-31
JPH059758Y2 JPH059758Y2 (en) 1993-03-10

Family

ID=30792754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP840886U Expired - Lifetime JPH059758Y2 (en) 1986-01-25 1986-01-25

Country Status (1)

Country Link
JP (1) JPH059758Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08160965A (en) * 1994-12-08 1996-06-21 Tech Res & Dev Inst Of Japan Def Agency Sound absorbing and shielding material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08160965A (en) * 1994-12-08 1996-06-21 Tech Res & Dev Inst Of Japan Def Agency Sound absorbing and shielding material

Also Published As

Publication number Publication date
JPH059758Y2 (en) 1993-03-10

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