DETACHABLE EQUIPMENT FOR FABRICATION OF MARBLE COLUMNS BY DRILLING Russian patent published in 2014 - IPC B28D1/00 E21C37/26 

Abstract RU 2533797 C1

FIELD: machine building.

SUBSTANCE: detachable equipment for fabrication of marble columns contains a pumping and regulating unit connected with hydraulic units by a pipeline, a flat frame with fastening to the carrier mechanism, a group of rotary circles with disks for fastening to the group of column drilling strings containing inside the group of column drilling strings with various diameters.

EFFECT: acceleration of industrial development of marbled limestone deposits.

6 dwg

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RU 2 533 797 C1

Authors

Safonov Georgij Leonidovich

Dates

2014-11-20Published

2013-09-10Filed