| abstract |
The invention belongs to electric power and technical field of cables, more particularly, to a kind of electric power cable, it includes restrictive coating, many conductive units；It is characterized in that any two conductive units are all separated by parting bead；On any cross section of cable, what all parting beads were formed by connecting is shaped as K fonts or M fonts or N fonts or W fonts, and any parting bead is all line segment shape；Parting bead is formed together with being with restrictive coating；The material of restrictive coating is low density polyethylene (LDPE) or medium density polyethylene or high density polyethylene (HDPE) or flame-proof polyethylene or low smoke and zero halogen polyethylene or polyvinyl chloride or polytetrafluoroethylene (PTFE) or nylon or special formula.The present invention has following main beneficial effect：It is simple in construction, easy make, it is easy to maintain with deposited work, current-carrying capacity is higher, restrictive coating performance more preferably, be more easy to be processed. |