US 12,281,470 B2
Sound insulation sheet member and sound insulation structure using same
Shogo Koga, Chiyoda-ku (JP); and Shuichi Akasaka, Meguro-ku (JP)
Assigned to Mitsubishi Chemical Corporation, Tokyo (JP)
Filed by Mitsubishi Chemical Corporation, Tokyo (JP)
Filed on Oct. 13, 2023, as Appl. No. 18/486,187.
Application 18/486,187 is a continuation of application No. 17/490,070, filed on Sep. 30, 2021, granted, now 11,821,201.
Application 17/490,070 is a continuation of application No. 16/053,278, filed on Aug. 2, 2018, granted, now 11,168,474, issued on Nov. 9, 2021.
Application 16/053,278 is a continuation of application No. PCT/JP2017/003985, filed on Feb. 3, 2017.
Claims priority of application No. 2016-020049 (JP), filed on Feb. 4, 2016.
Prior Publication US 2024/0035273 A1, Feb. 1, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. E04B 1/84 (2006.01); B32B 3/00 (2006.01); B32B 3/30 (2006.01); B32B 25/04 (2006.01); E04B 1/86 (2006.01); E04B 1/94 (2006.01); G10K 11/162 (2006.01); G10K 11/168 (2006.01); G10K 11/172 (2006.01)
CPC E04B 1/8409 (2013.01) [B32B 3/00 (2013.01); B32B 3/30 (2013.01); B32B 25/04 (2013.01); E04B 1/86 (2013.01); E04B 1/941 (2013.01); G10K 11/162 (2013.01); G10K 11/172 (2013.01); B32B 2307/102 (2013.01); B32B 2307/3065 (2013.01); E04B 2001/8419 (2013.01); E04B 2001/8428 (2013.01); G10K 11/168 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A structural body, comprising:
a sheet member comprising a sheet having rubber elasticity and a resonant portion in contact with a surface of the sheet; and
a support body in contact with a surface of the sheet opposite to the surface contacting the resonant portion;
wherein
the resonant portion includes a base part and a weight part supported by the base part,
a mass of the weight part is larger than a mass of the base part, and
a thickness of the sheet is 1 mm or less.