Patent ID: 8439220
Filing Date: 2013-05-14
Classification: F01D,F16J,F16L

Abstract:
1. A seal for an intersection region of parting joints of a pressure vessel which includes at least three casing shell sections, the seal comprising: a plug including at least two sealing chambers, for inserting in the intersection region of the parting joints; a liquid, settable sealing compound poured into the at least two sealing chambers which are constructed on the plug as annular grooves formed on an outer circumference of the plug, each groove separated by a radial rib formed on the outer circumference of the plug, the sealing compound connected in a gastight manner to the casing shell sections; a passage formed through the radial rib between adjacent annular grooves, the passage being formed on an outer circumference of the plug for guiding the liquid sealing compound through successive sealing chambers; wherein the plug comprises: a vent inlet hole arranged in a sealing chamber of the plug, the vent inlet hole connected inside the plug to the vent outlet hole, wherein the vent outlet hole extends from the plug flange parallel to the filling hole.