Patent ID: 6601852
Filing Date: 2003-08-05
Classification: F16L,H02G

Abstract:
A method of permanently sealing an annular sealing space (4) between a laterally closed opening (2) having an axial direction through a wall or similar structure (11) and an object (3) extending inwardly and spaced inwardly from through the opening, said opening (2) having a circumferentially extending peripheral surface through the wall and an entrance into the opening, comprising the steps of mounting a plurality of bags (9, 10) on a plural part supporting element (5, 6) sized to fit into and to form a closure wherein the surface fits into the opening (2) with the bags constructed in a tubular and folded fashion and secured to the supporting element and being initially empty, the plural part supporting element is a split annular member, inserting the supporting element with the bags at least partially in the axial direction into the opening, and with the bags spaced inwardly of the opening (2), filling the bags (9, 10) with a curable sealing agent and unfolding and expanding the bags, the curable sealing agent, after being cured, providing permanent sealing contact with the object (3) and with the circumferentially extending peripheral surface of the wall or similar structure of said laterally closed opening (2).