IMPACT-ABSORBING FLOOR MATERIAL

• Main Author: HATTORI SHINJI
• Format: Patent
• Language: English; Japanese
• Published: 17.01.2023
• Subjects: BUILDING; FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS; FIXED CONSTRUCTIONS

To provide an impact-absorbing floor material capable of adequately addressing the risk of fracture of a femur.SOLUTION: An impact-absorbing flooring material 110 has a flooring material 111 made of a hard material, an underfloor material 112 made of a soft material, and an air cushion layer with a mechanism for releasing air through a safety valve at a prescribed pressure, and under the conditions set so that the value of the bending stiffness of the flooring material 111 at a width of 10 mm is 1 N m 2 to 200 N m 2 or less, and a reference impact load Fs generated when an impact-applying body is dropped to apply an impact to a cushioning material is 6500 N, the impact-absorbing flooring material is characterized by having an impact load F generated when the impact-applying body is dropped to apply an impact via the cushioning material is 2000 N or more and 5000 N or less.SELECTED DRAWING: Figure 1 【課題】大腿骨骨折のリスクに十分に対応することができる衝撃吸収床材を提供する。【解決手段】硬質性材料からなる床上材１１１と、軟質性材料からなる床下地材１１２、および、所定の圧力において安全弁を介して空気が抜ける機構を有するエアークッション層を有し、１０ｍｍ幅における床上材１１１の曲げ剛性の値が１Ｎｍ２以上２００Ｎｍ２以下であり、衝撃付与体を落下させて緩衝材へ衝撃を付与したときに生じる基準衝撃荷重Ｆｓが６５００Ｎとなるように設定された条件において、衝撃付与体を落下させて緩衝材を介して衝撃を付与したときに生じる衝撃荷重Ｆが２０００Ｎ以上５０００Ｎ以下となる衝撃吸収床材１１０である。【選択図】図１