FIELD: construction.
SUBSTANCE: invention relates to construction, and namely to sanitary equipment of buildings. A fastener is used to plug sewage cleanout and inspection junctions. As the sewage cleanout and inspection junctions, a shaped part of a polymer pipe with a flared end, an elastic seal and a plug is used. The flared end has external projections and internal cavities. The plug is attached to the flared end by means of a U-shaped (in the cross section) single- or two-link coupling provided either with solid and/or sectional flanges. Both parts of the single-link coupling and both links of the two-link coupling are connected by means of spring-loaded latches or gusset plates with a bolt connection.
EFFECT: improvement of serviceability, repairability, reliability and fail-free operation of sewage systems.
3 dwg
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RU2498015C2 |
