Patent ID: 6015169
Filing Date: 2000-01-18
Classification: E03F,F16L

Abstract:
A connecting pipe for a liquid-tight connection to a sewer pipe having a branch opening, said connecting pipe comprising:a connecting-pipe body having at least two spaced apart circumferential sealing chambers,wherein one of the sealing chambers contains a first sealing element comprising a ring seal proximate an inside surface of the sewer pipe and facing an opening-wall surface of the branch opening, and wherein the ring seal comprises at least one sealing-lip ring extending over an outer contour of said one sealing chamber to contact said opening-wall surface of the branch opening, andwherein another of said sealing chambers contains a second sealing element comprising a flexible filler proximate an outer surface of the sewer pipe and facing the opening-wall surface of the branch opening such that a slot chamber extending from said another sealing chamber to the opening-wall surface of the branch opening is scalingly bridged; anda spacing ring having a bearing flange compatible with an outside pipe surface of said sewer pipe,wherein the spacing ring is a positioning ring fastened to the connecting-pipe body by fastening means in such a manner that when the connecting-pipe body is inserted into the branch opening, the first and second sealing elements are positioned opposite the opening-wall surface of the branch opening.