Casing for noise attenuation in a rock drilling rig

Arto Vento (Inventor), Jukka Tanttari (Inventor), Kari P. Saarinen (Inventor), Pasi Julkunen (Inventor), Veikko Lintu (Inventor), Seppo Peltola (Inventor), Tapani Sormunen (Inventor)

Research output: PatentPatent


A rock drilling rig includes a movable carrier with a boom attached to it and movable in various ways. The free end of the boom is provided with drilling equipment. The drilling equipment is enclosed in a casing that prevents noise generated during drilling from spreading to the surroundings.The casing is arranged to move together with a feed beam and relative to the cradle mounted on the end of the boom.A flexible noise attenuating skirt projects forwardly from a front end of the casing for forming a sealed chamber around a drilling head.
Original languageEnglish
Patent numberUS6199656B1
Filing date29/09/99
Publication statusPublished - 13 Mar 2001
MoE publication typeH1 Granted patent


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