Patent ID: 8016326
Filing Date: 2011-09-13
Classification: E04C,F16L

Abstract:
1. A system for use in concrete segmental construction comprising: a tubular duct having an interior passageway; a bulkhead having an opening; a tubular elongate body extending through a portion of said interior passageway of said duct, said elongate body having an end surface extending across an end of said elongate body in transverse relation to a longitudinal axis of said elongate body; a frame affixed within said opening of said bulkhead, said frame having a generally U-shaped cross section including sidewalls and an end wall, said end wall having a seat extending axially therefrom and in a direction toward said end surface of said elongate body; a boot having one end affixed over an exterior of said duct; a connector section connected to another end of said boot, said connector section being juxtaposed against a surface of said bulkhead; and a ball joint affixed to said frame, said ball joint comprising: said end surface of said elongate body having a slot formed therein, said spherical member having a portion received in said slot, and said spherical member and said flange being angularly moved relative to said end wall of said frame so as to set a desired angular orientation of said elongate body at a non-transverse angle with respect to said end wall of said frame.