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    • 92. 发明授权
    • Aligned fiber reinforcement panel and method for making the same for use
in structural wood members
    • 对齐纤维增强板及其制造方法用于结构木材
    • US5721036A
    • 1998-02-24
    • US446768
    • 1995-06-02
    • Daniel A. Tingley
    • Daniel A. Tingley
    • B29C70/02B29C70/08B29C70/52B29C70/54B32B5/12B32B21/10D04H1/00D04H3/02D04H5/04D04H5/08E04C3/12E04C3/18E04C3/29B32B5/08B32B5/16
    • B29C70/525B29C70/025B29C70/08B29C70/083B29C70/086B29C70/088B29C70/52B29C70/54B32B21/10B32B5/12D04H3/02D04H5/04D04H5/08E04C3/12E04C3/185E04C3/291B29K2105/101Y10T428/23986Y10T428/24132Y10T428/249925Y10T428/249929
    • A reinforcing panel and process for making the same for use in reinforcing wood structural members including laminated beams, wood -beams, and trusses. The reinforcing panel is comprised of a plurality of synthetic fibers that are arranged parallel to one another and aligned with the longitudinal direction of the panel, and accordingly the wood structure. The panel has substantially no transverse fibers. The fibers are maintained in position by a resin encasement that completely encloses the fibers with the exception of some fibers that are closest to the surface. The surface of the reinforcing panel is treated so that those fibers closest to the surface of the panel are caused to "hair up" so that the reinforcing panel may be used with nonepoxy adhesives which are commonly used in the laminated beam industry, such as resorcinal. The reinforcing panel of the present invention is fabricated by an improved pultrusion process which uses no mandrels, or woven mats and which provides for a selectable back pressure so that the fibers of the reinforcement panel are maintained in a state of tension during the resin cure, thereby maintaining the parallel arrangement of the fibers, maintaining the longitudinal alignment of the fibers, and setting the initial strain of the fibers to decrease the initial deflection of a wood structure that is reinforced with the reinforcing panel of the present invention.
    • PCT No.PCT / US94 / 03176 Sec。 371日期:1995年6月2日第 102(e)1995年6月2日PCT 1994年3月17日PCT公布。 公开号WO94 / 21851 日期1994年9月29日一种加固板及其制造方法,用于加强木结构件,包括层压梁,木梁和桁架。 加强板由多个合成纤维构成,该合成纤维彼此平行地布置并与面板的长度方向对齐,并且因此与木结构相对准。 面板基本上没有横向纤维。 通过完全包围纤维的树脂外壳将纤维保持在适当位置,但最靠近表面的一些纤维除外。 对加强板的表面进行处理,使得最接近面板表面的那些纤维被“卷起”,使得加强板可以与层压梁工业中通常使用的非环氧粘合剂一起使用,例如间苯二酚 。 本发明的加强板通过改进的拉挤成型工艺制造,该方法不使用心轴或编织垫,并且提供可选择的背压,使得加强板的纤维在树脂固化期间保持在张力状态, 从而保持纤维的平行布置,保持纤维的纵向对准,并且设定纤维的初始应变以减少用本发明的加强板增强的木结构的初始挠曲。