Invention Grant
- Patent Title: Method and arrangement for lubricating drill shank of rock drilling machine
- Patent Title (中): 凿岩机润滑钻杆的方法和装置
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Application No.: US13574925Application Date: 2011-01-27
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Publication No.: US09138879B2Publication Date: 2015-09-22
- Inventor: Markku Keskiniva , Juha Piispanen , Mauri Esko , Aimo Helin
- Applicant: Markku Keskiniva , Juha Piispanen , Mauri Esko , Aimo Helin
- Applicant Address: FI Tampere
- Assignee: Sandvik Mining and Construction Oy
- Current Assignee: Sandvik Mining and Construction Oy
- Current Assignee Address: FI Tampere
- Agency: Morgan, Lewis & Bockius LLP
- Priority: FI20105081 20100129
- International Application: PCT/FI2011/050062 WO 20110127
- International Announcement: WO2011/092377 WO 20110804
- Main IPC: E21B6/00
- IPC: E21B6/00 ; B25D17/26 ; E21B6/04 ; E21B7/02
Abstract:
A method for lubricating a drill shank of a rock drilling machine, wherein at least part of the flow of the pressure fluid of a hydraulic circuit of a device of the rock drilling machine performing at least one function is directed to the rotation mechanism of the drill shank for the purpose of lubricating the rotation mechanism of the drill shank.
Public/Granted literature
- US20120292114A1 Method and Arrangement for Lubricating Drill Shank of Rock Drilling Machine Public/Granted day:2012-11-22
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