FIELD: metallurgy.
SUBSTANCE: here are disclosed procedures for production of line spiral hardware consisting in processing steel wire, in shaping it in form of spiral with constant pitch, in fastening spiral wires in strands and in item finishing. The strand of several spiral wires is composed by means of application of coating of 5÷800 micrometres thickness on its surface. Coating can be made on base of composite material resistant to ultra-violet radiation and to high and low temperature in range from +180°C to -80°C or it can be made with powder paints.
EFFECT: production of line spiral hardware with high strength characteristics for usage in low or high voltage lines of electric transmission and in air lines of communication.
17 cl
| Title | Year | Author | Number |
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