| 摘要 |
FIELD: electrical engineering; cable laying technology. ^ SUBSTANCE: able tray has relatively perpendicular grid-forming rubs and fastening units; ribs are made of high-strength polymeric material and fastening units are secured in position by means of cold- or hot-cured resin. Such mechanical design of tray ensures reliable operation of cables in chemically active media. ^ EFFECT: simplified design, reduced cost, facilitated fastening and maintenance in operation. ^ 1 cl, 1 dwg |
