| 摘要 |
FIELD: construction.SUBSTANCE: device comprises a heating element attached along a roof edge, for instance, to an inclined canopy, and connected with terminals for connection of a source of an electric signal. The heating element is arranged in the form of an elastic steel wire bent via a certain pitch distance with formation of narrow loops equipped with transverse pins facing outside the loops and sharpened at the ends. At the bottom of each of the loops a bushing of an elastoplastic material of plastic honeycomb type is put on tightly and fixed, and the material has a honeycomb volume structure with cells open towards outside.EFFECT: increased operational reliability of a roof.1 dwg |
