FIELD: shaped sections of crossing pipes for plumbing systems of buildings. SUBSTANCE: shaped part of polymer plumbing pipe line includes bell mouth with bead and sealing ring and locking ring; bead has open inner cylindrical part and end surface made according to form of sealing ring. Located on said inner cylindrical part of bead are locking grooves; locking ring is provided with guide cone; outer surface of locking ring is provided with locking projections received by locking grooves of said cylindrical part of bead; end surface of locking ring directed towards sealing ring is made according to form of sealing ring. EFFECT: increased productivity; enhanced efficiency of joints. 2 dwg
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|---|---|---|---|
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|
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|
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| FIELD COLLAPSIBLE PIPELINE | 2019 |
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RU2703880C1 |
| PIPE JOINT | 2001 |
|
RU2184300C1 |
