초록 ▼

An uncured, thermoset resin sheet is reinforced with oriented fibers and is slit to define a desired length for the fibers. A series of the sheets are cut and stacked to form integrated layers of the composite material for a structural panel. The panel has two outer layers that sandwich two shorter

An uncured, thermoset resin sheet is reinforced with oriented fibers and is slit to define a desired length for the fibers. A series of the sheets are cut and stacked to form integrated layers of the composite material for a structural panel. The panel has two outer layers that sandwich two shorter layers on each end, and syntactic or foamed resin layer in between. Each of the composite layers is formed from the same materials and by the same process, but may vary in the directional orientation of their fibers. The uncured panel is assembled into a flexible, substantially flat configuration is heated and formed to the contours of a tool having a undulated surface geometry. The panel is further heated to cure the combined composite and syntactic resins into a series of undulations that permeate each of its layers. In one embodiment, the undulations are in a smooth, sine wave-like pattern that allow the panel to maintain a planar configuration. Although the fibers themselves do not stretch, the short lengths of the fibers enable stretching of the material in the fiber direction so that deformation of the composite is possible in all directions. The panel is stiffened both by spacing its outer layers apart with the syntactic layer, and by its undulated surface.

대표청구항 ▼

An uncured, thermoset resin sheet is reinforced with oriented fibers and is slit to define a desired length for the fibers. A series of the sheets are cut and stacked to form integrated layers of the composite material for a structural panel. The panel has two outer layers that sandwich two shorter

An uncured, thermoset resin sheet is reinforced with oriented fibers and is slit to define a desired length for the fibers. A series of the sheets are cut and stacked to form integrated layers of the composite material for a structural panel. The panel has two outer layers that sandwich two shorter layers on each end, and syntactic or foamed resin layer in between. Each of the composite layers is formed from the same materials and by the same process, but may vary in the directional orientation of their fibers. The uncured panel is assembled into a flexible, substantially flat configuration is heated and formed to the contours of a tool having a undulated surface geometry. The panel is further heated to cure the combined composite and syntactic resins into a series of undulations that permeate each of its layers. In one embodiment, the undulations are in a smooth, sine wave-like pattern that allow the panel to maintain a planar configuration. Although the fibers themselves do not stretch, the short lengths of the fibers enable stretching of the material in the fiber direction so that deformation of the composite is possible in all directions. The panel is stiffened both by spacing its outer layers apart with the syntactic layer, and by its undulated surface. recessed portion in said elongated flat supporting wall between said elongated flat base wall and said downward stop flange at a bottom side for the mounting of packing strips. 5. A combination partition screen comprising: at least two upright supports, said upright supports each comprising a longitudinally extended base, and at least two longitudinal coupling portions bilaterally disposed about one side of the base of each of said upright supports; and a plurality of carriers respectively mounted between each two upright supports of said at least two upright supports to support partition panels between each two upright supports, said carriers each comprising a fiat center box corresponding to the width of said upright supports, two end coupling notches disposed at two ends of said center box and respectively coupled to two adjacent upright supports, and two spacer units at two sides of said center box and said end coupling notches, said spacer units each comprising an elongated flat base wall, an elongated flat bearing wall perpendicularly extended from a front side of said flat base wall, an upward stop flange extended from said elongated flat bearing wall and adapted to hold with said elongated flat base wall a partition panel on said elongated flat bearing wall, an elongated flat supporting wall perpendicularly extended from said flat base wall below said elongated flat bearing wall, a downward stop flange extended from said elongated flat supporting wall and adapted to hold with said elongated flat base wall a partition panel below said elongated flat supporting wall, a downward locating flange extended from said elongated flat bearing wall and defining with said elongated flat supporting wall an elongated coupling chamber, an elongated flat positioning wall perpendicularly extended from an opposite side of said elongated flat base wall on the middle opposite to said elongated flat bearing wall and said elongated flat supporting wall, an elongated clamping wall extended from said elongated flat positioning wall, and two coupling notches disposed at each end of said elongated flat positioning wall between said elongated flat base wall and said elongated flat positioning wall and respectively coupled to two adjacent upright supports. 6. The combination partition screen of claim 5 wherein said spacer units each further comprise a first recessed portion provided in the respective elongated flat bearing wall between the respective elongated flat base wall and the respective upward stop flange at a top side and a second recessed portion in the respective elongated flat supporting wall between the respective elongated flat base wall and the respective downward stop flange at a bottom side for the mounting of packing strips. 7. A combination partition screen comprising: at least two upright supports, said upright supports each comprising a longitudinally extended base, and at least two longitudinal coupling portions bilaterally disposed about one side of the base of each of said upright supports; a plurality of spacers respectively mounted between each two upright supports of said at least two upright supports to support partition panels between each two upright supports, said spacers each comprising an elongated flat base wall, an elongated flat bearing wall perpendicularly extended from a front side of said flat base wall, an upward stop flange extended from said elongated flat bearing wall and adapted to hold with said elongated flat base wall a partition panel on said elongated flat bearing wall, an elongated flat supporting wall perpendicularly extended from said flat base wall below said elongated flat bearing wall, a downward stop flange extended from said elongated flat supporting wall and adapted to hold with said elongated flat base wall a partition panel below said elongated flat supporting wall, a downward locating flange extended from said elongated flat bearing wall and defining with said elongated flat s