US Patent 8087204 Sealing cap for intermediate anchor system

A sealing cap for an anchor of a post-tension anchorage system has a tubular body, a flange formed on an end of the tubular body, and a seal positioned adjacent an interior wall of the tubular body. The flange has a connector formed on a circumferential surface thereof for detachably engaging the flange with a tubular section of the anchor. The seal is positioned against the interior wall of the tubular body. The seal has a tubular shape so as to extend entirely around the interior wall. The seal is positioned in liquid-tight relation between the interior wall of the tubular body and a sheathed portion of a tendon extending from the anchor. The seal is inserted between the sheathed portion and the interior wall of the tubular body.