METHOD AND DEVICE OF CONCRETE APPLICATION ONTO PIPE Russian patent published in 2011 - IPC F16L9/08 

FIELD: construction.

SUBSTANCE: pipe is installed vertically onto a base with a stand and guides, so that the lower part of the pipe is enveloped with a circular form with a concrete pipeline connected to it, the concrete mortar is supplied into the form, besides, the pipe comprises a circular space formed between external surface of the pipe and shell arranged concentrically around the pipe, an upper plug and a lower plug, which limit the circular space with holes for supply of the concrete mortar. The device of concrete application onto the pipe in vertical position, including a stand with guides fixed on the base and a circular form with connected concrete pipeline, which envelops the pipe. At the same time the circular form comprises inner, outer, lower and upper walls and has at least one cavity with the connected concrete mortar, and holes in the upper wall, and facilities to press the circular form to the lower plug are installed on the base.

EFFECT: higher speed of concrete application onto the pipe with availability of the shell that protects the concrete against impact of environment at it.

5 cl, 8 dwg