| 摘要 |
The invention relates to a method for producing mechanical joints of concrete-reinforcing rods, to a reinforcing rod allowing the application of the method as well as to a mechanical joint for reinforcing rods thus produced. It has its applications especially in the construction of concrete elements, buildings or structures. According to the invention, the method for producing the mechanical joints for the reinforcing rods which allow the joining of reinforcing rods, the extremities of which are threaded by screwed connecting sleeves, is characterized in that prior to the threading, the extremity of the rods to be joined is subjected to a cold upsetting procedure.
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