Authors: B.А. Katanov

Title of the article: Drilling tool built-in shock-absorbers

Year: 2009, Issue: 1, Pages: 12-14

Branch of knowledge: Geotechnology

Index UDK: 622.23.51

DOI: -

Abstract: The construction and results of tests of a cutting bit with a built-in shock-absorber as a bow spring and shock-absorber above a bit, placed between a bit and the first drill rod are considered in the article. The principal advantages of described constructions and outcomes of industrial tests of experienced pattern, confirmed their capacity for work are marked.

Key words: cutting bits shock-absorber

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