PERFORATED PANEL MATERIAL AND SOUND PROOF WALL STRUCTURE, AND MANUFACTURING METHOD OF PERFORATED PANEL MATERIAL

• Main Authors: NAOI YUTAKA, INOUE HIDEHISA
• Format: Patent
• Language: English; Japanese
• Published: 10.06.2021
• Subjects: BUILDING; CEILINGS; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; ROOFS; WALLS, e.g. PARTITIONS

To improve a productivity.SOLUTION: In the perforated panel material having a back panel 20 with a number of through holes 21 overlapped by matching hole positions on a back side of a front panel 10 with the coated surface and a number of through holes 13, each of the through holes 13 of the front p...