Patent ID: 7018136
Filing Date: 2006-03-28
Classification: G02B,H02G,Y10T

Abstract:
1. A method for installing a duct, a longitudinal element being present along a section over which the duct is to be installed, the longitudinal element being utilized as a guide for the duct to be installed, the method comprising the steps of: supplying a tape-shaped element; forming the tape-shaped element around the existing, longitudinal element, thus forming a duct closed circumferentially around the longitudinal element, by coupling to one another closing members present at longitudinal edges of the tape-shaped element; and propelling the duct over the longitudinal element; wherein, to form a branch in the duct, the tape-shaped element has a carrier provided on at least one side thereof, with a number of microducts, one of the microducts being cut and released from the circumference of the duct.