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US 9,157,231 B2Granted
Sound control mat
AssigneesBonar B.V., Maxxon Corporation
InventorsAllan Wingfield, Jeffrey Scott Denton, Patrick Henry Giles
Life of this patent
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Abstract
A sound control mat includes a waterproof separation layer, an entangled monofilament structure, and a meltblown nonwoven. The sounds control mat provides improved sound control such as improved impact insulation.
Claims26
A sound control mat, comprising:
- a water resistant or waterproof separation layer,
- an entangled monofilament structure, and
- an elastic, non-rigid layer,
- wherein the elastic, non-rigid layer is joined to the entangled monofilament structure by forming the elastic, non-rigid layer directly on the entangled monofilament structure such that the elastic, non-rigid layer at least partially interpenetrates into the entangled monofilament structure to fill void spaces and conform to the structure of the entangled monofilament structure.
1 more element
Dependencies are inferred from the claim text.