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| TITLE |
Conventional Small Drilling Equipment |
| SUMMARY |
... In general, rock drills may be classified as either hand-held or mounted, with the
hand-held ma- chines including the jackhammer or sinker, the jackdrill or ... |
| AUTHOR |
Kurt, E. H. |
| PUBLISHED |
1982 |
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| TITLE |
Air Compressors |
| SUMMARY |
... Jackhammer, 6.8 kg (15 Ib) 0.021 (45) Jackhammer, 22.7 kg (50 Ib) 0.046 (97) Jackhammer,
27.2 kg (60 Ib) 0.050 (105) Paving breaker, 27.2 kg (60 Ib) 0.026 (56 ... |
| AUTHOR |
Lawson, Robert W. |
| PUBLISHED |
1982 |
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| TITLE |
Progress In Drilling |
| SUMMARY |
... The drifter setup has proved more amenable to Bunker Hill's type of mining (square
setting and filling) than a jackhammer mounted on an air leg, which ... |
| PUBLISHED |
1951 |
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| TITLE |
The Mining Engineer: He Stands Out |
| SUMMARY |
... operation. When Chandler picked up a jackhammer, cradled it in his gut and
started drilling out a tunnel round, it gave one the hives. ... |
| AUTHOR |
Abel, John F. |
| PUBLISHED |
1970 |
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| TITLE |
Uranium Deposits Of The Grants District, New Mexico |
| SUMMARY |
... the deposits. After one large ore body had been partly developed by this
method, jackhammer drilling, adopting a 2 ft sample interval ... |
| AUTHOR |
Towle, Charles C. ; Rapaport, Irving |
| PUBLISHED |
1952 |
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| TITLE |
Drilling Practice- Five Years Of Revolution |
| SUMMARY |
... tungsten carbide detachable bit with a 2%-in. bore jackhammer with nontappet
construction and fast (1: 28) upstroke rotation. Drill steel is %-in. ... |
| PUBLISHED |
1954 |
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