Shock wave modification in percussion drilling apparatus and method

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United States of America Patent

PATENT NO 9637982
SERIAL NO

14917284

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Abstract

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A percussion drilling apparatus is arranged to affect at least one characteristic of a shock wave produced in a drill string. The apparatus includes an elongate energy transmission adaptor having a shock wave modification sleeve configured with a free end and an attachment end projecting radially from an outer surface of the adaptor.

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Patent Owner(s)

Patent OwnerAddress
SANDVIK INTELLECTUAL PROPERTY ABSE-811 81 SANDVIKEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jansson, Tomas Sh Gavle, SE 6 9
Rindeskar, Andreas Hofors, SE 7 36

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