Inventor
ISSAKAINEN ONNI
FI6 patents
Patents
6 patentsUS4632618ADec 30, 1986
Feed storage for drill rods for a long-hole drilling apparatus
TAMPELLA OY AB28 citations90
US4974689ADec 4, 1990
Drill hole filling method and apparatus
TAMPELLA OY AB17 citations79
US4514111AApr 30, 1985
Method of and apparatus for installing solder bolts in rock bolting
TAMPELLA OY AB20 citations79
US4643619AFeb 17, 1987
Apparatus for feeding cement material into a drill hole for cement bolting of a rock
TAMPELLA OY AB12 citations71
US4576525AMar 18, 1986
Method and equipment for performing rock bolting
TAMPELLA OY AB5 citations61
US5129470AJul 14, 1992
Drill hole filling method and apparatus
TAMPELLA OY AB1 citations49