Title:
ROCK DRILL, RIG, AND METHOD OF REINFORCING ROCK SURFACE
Document Type and Number:
Japanese Patent JP2020076298
Kind Code:
A
Abstract:
To provide a new and improved rock drill capable of supplying a grouting material to a drilled hole.SOLUTION: It is a method of reinforcing a rock surface using a rock drill 6, a rock drilling rig, and a grouting material. Through the rock drill, the grouting material 13 is supplied to a rock drilling tool 7 connected to the rock drill. The rock drill includes a flushing feed path used to supply the grouting material.SELECTED DRAWING: Figure 3
Inventors:
MAUNU MAENTTAERI
ANSSI KOUHIA
ANSSI KOUHIA
Application Number:
JP2019174599A
Publication Date:
May 21, 2020
Filing Date:
September 25, 2019
Export Citation:
Assignee:
SANDVIK MINING & CONSTRUCTION OY
International Classes:
E21B6/00; E02D5/80; E21D20/00
Attorney, Agent or Firm:
Sonoda/Kobayashi Patent Business Corporation