Patent ID: 6666233
Filing Date: 2003-12-23
Classification: E04C

Abstract:
A tendon receiving duct comprising:a tubular body having a longitudinal axis, said tubular body having a plurality of corrugations extending radially outwardly therefrom, each of said plurality of corrugations being in spaced relation to an adjacent corrugation, said tubular body having an interior passageway suitable for receiving cables therein, each of said plurality of corrugations opening to said interior passageway, said tubular body having a first longitudinal channel extending between adjacent pairs of said plurality of corrugations on one side of said tubular body, said tubular body having a pair of longitudinal channels extending between adjacent pairs of said plurality of corrugations on an opposite side of said tubular body, said pair of longitudinal channels having an exterior surface coplanar with each other, each of said pair of longitudinal channels being spaced by approximately 160Â°-170Â° respectively in opposite directions from said first longitudinal channel.