发明名称 RAIL SOUNDPROOF DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a rail soundproof device capable of suppressing a soundproof cover's damage caused by ballast intruding a gap between the soundproof cover and a rail.SOLUTION: A rail soundproof device 1 includes soundproof covers 12, 14 including: tilt parts 12a, 14a for covering web sound absorption materials 11a, 13a; and first bent parts 120, 140 extending from ends 12d, 14d in the rail extending direction of the tilt parts 12a, 14a to side surfaces Rw1 of a rail web Rw. End edges 120a, 140a of the first bent parts 120, 140 of the soundproof covers 12, 14 are formed in shapes along the side surfaces Rw1 of the rail web Rw.SELECTED DRAWING: Figure 2
申请公布号 JP2016098483(A) 申请公布日期 2016.05.30
申请号 JP20140233494 申请日期 2014.11.18
申请人 SEKISUI CHEM CO LTD 发明人 MATSUDA YOSHIFUMI
分类号 E01B19/00 主分类号 E01B19/00
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