| 摘要 |
FIELD: sewerage systems. SUBSTANCE: device relates to equipment for cleaning sewerage pipelines, domestic sanitary appliances, etc. Device has cylinder, piston, hollow rod, tipping cover with central hole for passage of hollow rod, fly-nut handle, rubber attachment in the form of force cup which is provided with hollow cylinder having internal thread, sealing collar in the form of diaphragm, and cone-shaped cup with sponge sucker. Cylinder is provided with external thread at both ends. Screwed on upper end thread is tipping cover with radial decompression holes. Hollow rod is made with internal thread at both ends. Screwed in upper end thread is fly-nut handle. Mounted on lower end of hollow rod is counterblow buffer with support on piston which is made in the form of double-shoulder collar. Collar is located between clamping supporting and thrusting circular members. Connected to external thread of cylinder lower end is attachment in the form of force cup. Aforesaid embodiment of device improves operating properties together with better repairability. EFFECT: higher efficiency. 2 cl, 1 dwg
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