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    • 6. 发明授权
    • Ceiling panels made from corrugated cardboard
    • 天花板由瓦楞纸板制成
    • US08511429B1
    • 2013-08-20
    • US13371886
    • 2012-02-13
    • Qing Claire YuMark Englert
    • Qing Claire YuMark Englert
    • E04B1/84
    • E04B9/001E04B9/045
    • An acoustical ceiling panel comprising a flat core and an acoustically transparent face sheet adhesively attached to one of two oppositely facing major sides of the core, the core comprising a multitude of layers of corrugated fiberboard laminated together, the corrugated fiberboard layers each having a corrugated medium adhesively attached to a flat liner board, the corrugated medium forming regularly spaced flutes of curvilinear cross-section, the flutes of the layers of fiberboard being arranged in parallel directions extending perpendicularly to the major faces of the core.
    • 一种声学天花板面板,包括平坦的芯部和粘合地附接到所述芯的两个相对的主要侧面之一的声透明的面片,所述芯包括层叠在一起的多层瓦楞纤维板,所述瓦楞纤维板层各自具有波纹状介质 粘合地附接到平的衬板上,波纹介质形成规则间隔的曲线横截面的槽纹,纤维板层的槽纹沿垂直于芯的主面延伸的平行方向布置。