Title:
SOUND INSULATION STRUCTURE
Document Type and Number:
Japanese Patent JP2023114633
Kind Code:
A
Abstract:
To provide a sound insulation structure which is simple to install and excellent at sound insulation.SOLUTION: In a sound insulation structure, cylindrical bodies provided with cavities in a direction perpendicular to one plane are densely arranged in each of a first direction of one plane and a second direction intersecting the first direction, and expandable and retractable members that are expandable and retractable by deforming the cylindrical body and fixing parts that are connected to the expandable and retractable members and fix the expandable and retractable members in a fixed state are included. And in the sound insulation structure, through-holes penetrated in a direction perpendicular to one plane are densely arranged in each of a first direction of one plane and a second direction intersecting the first direction, expandable and retractable members that can be expanded and contracted by deforming the through holes and fixing parts that are connected to the expandable and retractable members and fix the expandable and retractable members in a fixed state are included.SELECTED DRAWING: Figure 1
Inventors:
ABE MASAYUKI
Application Number:
JP2022017060A
Publication Date:
August 18, 2023
Filing Date:
February 07, 2022
Export Citation:
Assignee:
FUJITA CORP
International Classes:
E06B9/262
Attorney, Agent or Firm:
Patent Attorney Corporation Takahashi Hayashi and Partners