US 12,104,374 B2
Sound insulation structure of partition wall and method for constructing partition wall
Miki Okumura, Osaka (JP); and Hideo Nagamatsu, Osaka (JP)
Assigned to SEKISUI HOUSE, LTD., Osaka (JP)
Appl. No. 17/792,830
Filed by SEKISUI HOUSE, LTD., Osaka (JP)
PCT Filed Jan. 26, 2021, PCT No. PCT/JP2021/002549
§ 371(c)(1), (2) Date Jul. 14, 2022,
PCT Pub. No. WO2021/153535, PCT Pub. Date Aug. 5, 2021.
Claims priority of application No. 2020-012618 (JP), filed on Jan. 29, 2020.
Prior Publication US 2023/0044172 A1, Feb. 9, 2023
Int. Cl. E04B 2/74 (2006.01); E04B 1/82 (2006.01); E04B 1/84 (2006.01); E04B 2/58 (2006.01); E04B 2/82 (2006.01)
CPC E04B 2/7457 (2013.01) [E04B 1/82 (2013.01); E04B 1/8409 (2013.01); E04B 2/58 (2013.01); E04B 2/74 (2013.01); E04B 2/7412 (2013.01); E04B 2/82 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A partition wall sound insulation structure comprising:
a floor material on which a floor surface facing an indoor space side is formed;
a ceiling material on which a ceiling surface is formed, the ceiling surface being opposed to the floor surface in a vertical direction with an indoor space interposed therebetween;
a partition wall that extends in the vertical direction so as to partition the indoor space in a horizontal direction and that is disposed with a gap from at least one surface of the floor surface and the ceiling surface; and
a sound insulation material made from an elastic material and including a portion disposed in the gap while being compressed in the vertical direction, wherein
the partition wall includes:
a first face material extending in the vertical direction; and
a second face material extending in the vertical direction and disposed with a hollow portion interposed between the first face material and the second face material in the horizontal direction,
the sound insulation material includes:
a sheet portion disposed on the at least one surface of the floor surface and the ceiling surface in a range from the first face material to the second face material; and
protruding portions that protrude in a sheet thickness direction from end portions in a width direction of the sheet portion, the protruding portions being disposed in the gap in a state of being compressed in the vertical direction,
the partition wall further includes a stud that is disposed in the hollow portion and supports the first face material or the second face material,
the partition wall sound insulation structure further comprising a positioning member that is provided on the sheet portion and positions the stud,
the protruding portions are compressed between the first face material and the second face material, and the at least one surface of the floor surface and the ceiling surface in the vertical direction, and
the sheet portion extends from one of the protruding portions to the other of the protruding portions.