Patent ID: 6817148
Filing Date: 2004-11-16
Classification: E04C,Y10T

Abstract:
A post-tension anchor system comprising:an anchor body having a polymeric encapsulation extending therearound, said encapsulation having a tubular portion integrally formed therewith and extending outwardly from one end of said anchor body, said anchor body having a wedge-receiving cavity formed therein, said tubular portion having an interlock area extending around an exterior surface thereof, said interlock area comprising a protrusion extending outwardly and around said tubular portion adjacent an end of said tubular portion opposite said anchor body; a tendon affixed within said wedge-receiving cavity of said anchor body, said tendon having a sheathed portion and an unsheathed portion; a seal member affixed to an end of said tubular portion opposite said anchor body, said seal member extending around said sheathed portion of said tendon in generally liquid-tight relationship therewith, said protrusion engaging an indentation formed on an interior surface of said seal member, said seal member comprising: a first annular portion extending around said tubular portion at said end; and a second annular portion extending outwardly from said first annular portion, said second annular portion being in liquid-tight relationship with said sheathed portion of said tendon, said second annular portion having a diameter smaller than a diameter of said first annular portion, said second annular portion extending outwardly of said end of said tubular portion, said seal member being formed of an elastomeric material, said tubular portion having a length of greater than four inches extending outwardly of said anchor body; and a plurality of wedges in interference-fit relationship with said unsheathed portion of said tendon within said wedge-receiving cavity of said anchor body.