SEALING CUP ON PASSAGES OF PIPELINES IN PROTECTIVE HOUSING UNDER OBSTACLE,申请号RU20030101301-传众专利搜索

SEALING CUP ON PASSAGES OF PIPELINES IN PROTECTIVE HOUSING UNDER OBSTACLE

申请公布号：RU2217645(C1)

申请号：RU20030101301

申请日期：2003.01.20

申请公布日期：2003.11.27

发明人：MUKHAMETDINOV KH.K.

分类号：F16L1/028;F16L7/00

主分类号：F16L1/028

摘要：FIELD: construction and repair of underground pipelines. SUBSTANCE: proposed variable-section sealing cup encloses, by its one larger-diameter end, outer surface of end of protective housing, and by its other smaller-diameter end, it encloses outer surface of pipeline. Said cup accommodates variable-section shell enclosing outer surface of end of protective housing and it does not project from cup. Cup and shell are conical, are made of elastic multiplayer material and are secured on end of housing by clamp. Other end of cup is secured by second clamp on pipeline. Cup and shell are either detachable or non-detachable. EFFECT: provision of reliable sealing of end faces of protective housing at centered and non-centered arrangement of pipeline in protective housing. 5 cl, 1 dwg