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    • 1. 发明授权
    • Process for the manufacture of honeycomb core structures
    • 蜂窝芯结构的制造工艺
    • US5980675A
    • 1999-11-09
    • US859351
    • 1997-05-20
    • Toshifumi TsuchihashiToshiyuki Nishida
    • Toshifumi TsuchihashiToshiyuki Nishida
    • B32B3/12B31D3/02B32B31/18
    • B31D3/0276Y10T156/1003Y10T156/1007Y10T156/1064Y10T156/1067Y10T156/1075
    • A process for the manufacture of honeycomb core structure is disclosed, which substantially comprises the step (a) of of feeding a starting continuous web or sheet of material; the step (b) of applying an adhesive to the sheet material along a plurality of spaced parallel bands; the step (c) of drying the sheet; the step (d) of forming a plurality of slits extending longitudinally of the sheet and interconnected by a transversely extending slit-devoid web portion; the step (e) of cutting the slitted sheet to a predetermined dimension across the slit-devoid web portion; the step (f) of piling a plurality of layers of the thus cut sheets upon one another in a stack with the adhesive bands on one of the adjacent sheets positioned out of registry with those on the other by half of a pitch between the consecutive bands on each sheet; the step (g) of compressively curing the stacked sheets; the step (h) of slicing the cured stack into individual elongated strips; and the step (i) of expanding the strips in a direction normal to the plane of the stack. The step (d) is carried into practice by a slit-forming means capable of forming spaced parallel slits longitudinally of the continuous web simultaneously with a transversely extending slit-devoid blank portion at predetermined intervals, thus providing the web with alternate slitted and slit-free regions.
    • 公开了一种用于制造蜂窝芯结构的方法,其基本上包括供给起始连续幅材或片材的步骤(a); 沿着多个间隔开的平行带将粘合剂施加到片材的步骤(b); 步骤(c)干燥片材; 形成多个狭缝的步骤(d),所述多个狭缝沿所述片材纵向延伸并且通过横向延伸的无缝隙网部分互连; 将所述狭缝片材切割成预定尺寸的步骤(e); 将如此切割的片材的多个层堆叠在一起的步骤(f),其中相邻片材之一上的粘合带位于与另一层之间的粘合带之外,另一层与另一层之间的间距相距一半 在每张纸上 对叠置的片材进行压缩固化的步骤(g); 将固化的叠层切成单个细长条的步骤(h); 以及在垂直于堆叠平面的方向上扩展条带的步骤(i)。 步骤(d)通过狭缝形成装置实施,该狭缝形成装置能够以与预定间隔的横向延伸的狭缝缺口毛坯部分同时在连续幅材纵向上形成间隔开的平行狭缝,从而为纤维网提供交替的切割和切割 - 自由地区。