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The Franklin plant went onto produce Little Giant trucks (1911-1917), portable compressors, electrical powerplants, and drill rigs. 1916 ad for Chicago Pneumatic Little Giant truck. 1904 was the year of expansion for CP. Offices were opened in England, Canada, and Germany; and new lines of products had been developed such as air tools and rock ...
They purchased Chicago Pneumatic Tools in 1987. In 1992, AEG Elektrowerkzeuge was purchased, and in 1995, ... The Rock Drilling is a part of Epiroc. ROC D3.
A pneumatic rock drill. The detacheable drill bit is not shown, but would be at left. At the bottom is the feed-screw (worked by the crank at right), which advances the drill as the hole deepens. The mounting point is at the bottom. The simplest form of rock drill consists of a long chisel or drill steel that was struck with a sledgehammer. [4]
Epiroc offers a product portfolio of drilling rigs, rock drilling tools, trucks & loaders, raise boring equipment, excavator attachments, rock excavation equipment, rock reinforcement tools & underground mine ventilation systems, and service agreements related to equipment maintenance. [3]
[10] [11] The need for a mechanical rock drill was obvious and that sparked research in Europe on pneumatic rock drills. A Frenchman, François Cavé , designed a rock drill that used compressed air, which he patented in 1851. However, the air had to be admitted manually to the cylinder during each stroke, so it was not successful.
Using the established Thor logo, Thor Power Tool Company manufactured a broad line of industrial, service, mining, and household tools—some of which were operated by air, some by electricity, and some by gasoline. [1] Rotary pneumatic tools replaced the large, heavy piston type in 1928. New line followed new line as the years passed.
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