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Production manner null of the self cirque Characteristic fiber-reinforced thermoplastics sheet and the resin tube and the resin tube which designate that as
Production manner null of the self cirque Characteristic fiber-reinforced thermoplastics sheet and the resin tube and the resin tube which designate that as
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机译:自循环特性的纤维增强热塑性片材以及将其指定为的树脂管和树脂管的制造方式为零。
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摘要
PURPOSE:To manufacture easily a fiber reinforced thermoplastic resin tube of superior resistance to heat, high strength and high elasticity by heat forming integrally a wound material of self-curling thermoplastic resin sheet reinforced with reinforcing fiber. CONSTITUTION:The fiber orientation direction of a first reinforced fiber layer section 5 of an upper face section is in the arrow direction (c), while the fiber orientation direction of a second reinforced fiber layer 6 is same as the axial direction. Shrinkage stress of the second fiber layer section 6 is remarkably larger than that of the first reinforced fiber layer section 5 in the orientation direction of fiber 4 crossing fiber 3 of the sheet 1. The sheet 1, therefore, can be self-curled in a manner that the second reinforced fiber layer section 6 can be used as an outer surface and the orientation direction of said fiber 4 is in conformity with the peripheral direction, while the first reinforced fiber layer 5 is used as an inner surface and the orientation direction of said fiber 3 is in conformity with the axial direction of a curled material. The strength of self-curling properties of the sheet 1 can be controlled by adjusting fiber density of the first and second reinforced fiber layers 5 and 6 adjusting crossing angle of the fiber 3 and fiber 4 and the like. For instance, self-curling properties of the sheet 1 can be strengthened by enlarging the crossing angle of the fibers 3 and 4, and the strength of self-curling properties gets maximum at the time of 90 deg. crossing angle.
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