CABLE FREEZING TROUBLE PREVENTIVE PIPE AND ITS MANUFACTURE

摘要

PURPOSE: To provide cable freezing trouble preventive pipes with which cables are efficiently pulled into protective pipes and the tangle between the cable freezing trouble preventive pipes themselves and between the cable freezing trouble preventive pipe and the cable can be avoided by separation. CONSTITUTION: Cable freezing trouble preventive pipes 1 are composed of at least two pipe parts 2 of which a plurality of enclosed spaces which are sealed and arranged linearly with a spacing in a longitudinal direction are composed and a joint part 3 with which the adjacent pipe parts 2 are linked with each other integrally.