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2 578 228

(13)

(51)

IPC

E21B10/08(2006-01-01)

(21) (22)

Application

2015100653/03, 2015-01-12

(24)

Start date

2015-01-12

(22)

Actual filing date

2015-01-12

(45)

Published

2016-03-27

(72)

Inventor

Simisinov Ivan LeonidovichSimisinov Denis Ivanovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennostju Zavod Tekhnicheskikh Sredstv Burenija Na Gaz"

CUTTER BIT Russian patent published in 2016 - IPC E21B10/08

Abstract RU 2578228 C1

FIELD: mining.

SUBSTANCE: invention concerns rock destruction tool, namely, to design of drilling one-cutter drilling bits, mainly of large diameter, intended for drilling soft and medium abrasive rocks. Cutter bit consists of body and cutters of spherical shape, movably fixed on journal body by means of bearing support. Rolling cutter is hollow and comprises central bushing with a journal of bit housing forms support-and-lock bearing assembly, as well as peripheral ribs forming spherical housing of rolling cutter and equipped with cutting elements.

EFFECT: technical result consists in improvement of efficiency of drilling process.

1 cl, 1 dwg

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RU 2 578 228 C1

Authors

Simisinov Ivan Leonidovich

Simisinov Denis Ivanovich

Dates

2016-03-27—Published

2015-01-12—Filed