COLUMN Russian patent published in 2019 - IPC E01F9/623 E01F9/638 

FIELD: manufacturing technology.

SUBSTANCE: invention relates to the field of vertically installed equipment in the form of light-loaded columns. Column comprises a tubular body made of polymer. Bottom of housing is equipped with element arranged in inner volume of housing and equipped with internal thread for connection with rod equipped with mating thread and sharpened end for immersion into soil. Housing is solid or composite, consisting of upper female and lower male parts, providing direct contact of outer surface of housing bottom with surface of soil or road base during operation. Element arranged in the inner volume of the body is a vertically oriented ledge made integral with all elements of the whole body or all elements of the lower part of the composite body by rotational molding. At the same time upper part of composite housing is also made by rotational molding, and rod is piece of reinforcement from composite material with surface of periodic profile.

EFFECT: higher reliability of connection of column case with rod.

8 cl, 4 dwg