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US 12,291,007 B2Granted
Composition for sound insulating sheet member, sound insulating sheet member, and sound insulating structure body
AssigneeMitsubishi Chemical Corporation
InventorsHaruki Koshitouge, Daichi Okuno
Life of this patent
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Abstract
A structural body including a plurality of convex-shaped rubber-elastic resonant portions, and a sheet-like support that supports the resonant portions. A specific gravity of the resonant portions is 1.0 g/cm3 or more and 3.0 g/cm3 or less, a height of the resonant portions is from 50 μm to 100 mm, and an areal density of the support is 1.0 kg/m2 or less.
Claims20
A structural body, comprising:
- a plurality of convex-shaped rubber-elastic resonant portions;
- and
- a sheet-like support that supports the resonant portions,
- wherein a specific gravity of the resonant portions is in a range of from 1.0 to 3.0 g/cm3,
- wherein a height of the resonant portions is in a range of from 50 μm to 100 mm, and
- wherein an areal density of the support is 1.0 kg/m2 or less.
3 more elements
Dependencies are inferred from the claim text.