FIELD: electrical engineering; polymeric insulators, such as fiberglass insulators and caps for stations, substations, power systems, and electrified railways, including contact systems. SUBSTANCE: device has changeable inserts for shaping ribs, mold built up of two vertical plane-parallel plates and two yokes, as well as heating and cooling systems made in the form of drillings in plates and inserts. Mentioned inserts have rectangular base and aces; they are placed between plates. Top inserts and top yoke have holes; respective holes are aligned. EFFECT: simplified design of device which makes it possible to apply safety cover of any size. 2 dwg
| Title | Year | Author | Number |
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