DOUBLE-WALL CORRUGATED PIPE SECTION WITH PIPE CONNECTION Russian patent published in 2013 - IPC F16L25/10 F16L47/00

Abstract RU 2474747 C2

FIELD: machine building.

SUBSTANCE: double-wall corrugated plastic pipe includes a dome-shaped connector on one end of pipe section and a plug-in connector on its opposite end. Plug-in connector has an inner wall that interacts with the dome-shaped connector at the connection point of dome-shaped connector and pipe and is changed over to the inner wall between pipes connected by means of the plug-in connector of one pipe, which is inserted in the dome-shaped connector of the second pipe.

EFFECT: invention improves the connection reliability.

14 cl, 10 dwg

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RU 2 474 747 C2

Authors

Lupke Manfred A.A.

Lupke Stefan A.

Dates

2013-02-10—Published

2009-02-06—Filed