Sound-insulating sheet member and sound-insulating structure provided with same
AssigneeMitsubishi Chemical Corporation
InventorsKazuma Inoue, Takahiro Komamura, Yuya Saito, Takeshi Matsuoka
Life of this patent
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Abstract
To provide a sound-insulating sheet member capable of being installed in a location with a limited installation space and allowing for insulation of low-frequency sound, and a sound-insulating structure body including the sound-insulating sheet member. A sound-insulating sheet member including a sheet portion having rubber elasticity, and a plurality of protrusion portions that is provided on at least one face of the sheet portion and that has rubber elasticity, in which at least one of the protrusion portions and a region of the sheet portion, where the protrusion portions are provided, contains a space portion.
Claims16
A sound-insulating sheet member comprising:
- A sheet portion having rubber elasticity;
- and
- A plurality of protrusion portions that is provided on at least one face of the sheet portion and that has rubber elasticity,
- Wherein a region of the sheet portion, where the protrusion portion are provided, contains a space portion,
- The space portion of the sheet portion extends to the protrusion portions such that the protrusion portion contains the space portion, and
- The space portion of the sheet portion penetrates through a face of the sheet portion, the face being opposite to a face where the protrusion portions are provided.
Dependencies are inferred from the claim text.