Patent ID: 8631900

Claim:
A sound insulation floor structure comprising: a floor backing member; a floor finishing layer; and an intermediate layer between the floor backing member and the floor finishing layer, the intermediate layer comprising a buffer member comprising a nonwoven structure; wherein the intermediate layer is formed with a plurality of joists and a plurality of buffer layers, the joists and the buffer layers are disposed alternately, and the joists are disposed parallel to each other at intervals, wherein the buffer layer is a compressed layer obtained by compressing a compressable layer to a thickness of each one of the joists, wherein the compressable layer comprises the buffer member and has a thickness larger than a thickness of each one of the joists, and wherein the nonwoven structure comprises a thermal adhesive fiber under moisture, and wherein the thermal adhesive fiber is melt-bonded to a fiber of the nonwoven structure to fix the fibers.