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CONCRETE-REINFORCING SHEARED STEEL FIBER HAVING UNUSUAL SHAPE AND APPARATUS FOR PRODUCING THE SAME FIBER
CONCRETE-REINFORCING SHEARED STEEL FIBER HAVING UNUSUAL SHAPE AND APPARATUS FOR PRODUCING THE SAME FIBER
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机译:具有非同寻常的形状和制造相同纤维的装置的钢筋混凝土剪切钢纤维
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摘要
PROBLEM TO BE SOLVED: To produce concrete-reinforcing sheared steel fiber having unusual shape, having high tensile strength in itself and having a shape making the fiber become excellent in adhesion to concrete and also in dispersibility. ;SOLUTION: This sheared steel fiber having unusual shape is produced by sending a thin steel band 1 as a material on a die 2 having a sawtooth-like corrugated upper surface by means of pinch rolls 6, and shearing the band 1 moving on the die 2 from the point of the band 1 with a rotary cutter 19 placed at a distance equal to a preferred clearance from the die 2 by one feed of a blade so as to impart corrugated end face and linear end surface to two long side surfaces of the fiber respectively.;COPYRIGHT: (C)2000,JPO
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