Patent ID: 6774311
Filing Date: 2004-08-10
Classification: B29C,G02B,H02G

Abstract:
A multiple channel duct assembly for cables comprising:(a) a plurality of plastic inner ducts contiguous, co-directionally extending, substantially parallel, in abutting contact with each other, each of said inner ducts having a cross sectional area sufficient to contain at least one cable; (b) a plastic outer duct encircling said inner ducts over their entire length to retain them in their contiguous relationship; (c) wherein said outer duct has a corrugated tubular section including a plurality of contiguous ridges and troughs extending over the entire length, wherein the troughs are in contiguous relationship with outer peripheral surfaces of the inner ducts; and (d) whereby said assembly is sufficiently flexible to be coiled around transportable reels as well as sufficiently strong to withstand dirt in a trench.