JPS63174398U - - Google Patents

Info

Publication number

JPS63174398U

JPS63174398U JP17330186U JP17330186U JPS63174398U JP S63174398 U JPS63174398 U JP S63174398U JP 17330186 U JP17330186 U JP 17330186U JP 17330186 U JP17330186 U JP 17330186U JP S63174398 U JPS63174398 U JP S63174398U

Authority

JP

Japan

Prior art keywords

sound

sound insulation

plates

insulation plates

air layer

Prior art date

1986-11-13

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009413 insulation Methods 0.000 claims description 6
• 239000002131 composite material Substances 0.000 claims description 2
• 238000010521 absorption reaction Methods 0.000 claims 2
• 239000000463 material Substances 0.000 claims 2
• 238000010586 diagram Methods 0.000 description 3
• 239000011358 absorbing material Substances 0.000 description 1
• 230000005540 biological transmission Effects 0.000 description 1