- Patent Title: Rock drilling machine, rig and method for reinforcing rock surfaces
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Application No.: US16581961Application Date: 2019-09-25
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Publication No.: US10968702B2Publication Date: 2021-04-06
- Inventor: Maunu Mänttäri , Anssi Kouhia
- Applicant: SANDVIK MINING AND CONSTRUCTION OY
- Applicant Address: FI Tampere
- Assignee: SANDVIK MINING AND CONSTRUCTION OY
- Current Assignee: SANDVIK MINING AND CONSTRUCTION OY
- Current Assignee Address: FI Tampere
- Agent Corinne R. Gorski
- Priority: EP18196904 20180926
- Main IPC: E21B7/02
- IPC: E21B7/02 ; E21D20/00 ; E21D20/02 ; E21B4/18
Abstract:
A rock drilling machine, rock drilling rig and method of reinforcing rock surfaces by means of grouting material is provided. The grouting material is fed through the rock drilling machine to a drilling tool connected to the rock drilling machine. The rock drilling machine include a flushing feed path, which is utilized in the feeding of the grouting material.
Public/Granted literature
- US20200095862A1 ROCK DRILLING MACHINE, RIG AND METHOD FOR REINFORCING ROCK SURFACES Public/Granted day:2020-03-26
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