Patent ID: 6672426
Filing Date: 2004-01-06
Classification: E04F

Abstract:
A sound-insulating floor structure comprising a floor base, a plurality of sound-insulating floor members arranged on the floor base, and an underfloor member placed on the sound-insulating floor members, each of said sound-insulating floor members comprising a plurality of impact-absorbing members and a support member supporting said impact-absorbing members, said impact-absorbing members being provided on lower faces and optionally on upper faces of the support member, said impact-absorbing members on the lower faces of the support member extending to the floor base, each of said sound-insulating floor members being fixed to the floor base or the underfloor member to support the underfloor member, and each of the impact-absorbing members possesses at least one spring characteristic selected from a linear spring, a degressive spring, progressive spring and a stationary load spring, and at least one impact-absorbing member has a spring characteristic different from that of another impact-absorbing member.