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The Schramm T685 WS truck mounted drill bored a 5.5 inches (14 cm) hole that, on 22 August 2010, was the first to break through to the 33 trapped men, confirming they had survived the accident. [9] The company also manufactured the T130XD air core drilling rig owned by Geotec S.A., a Chilean-American joint venture drilling company.
OFS is part of Furukawa Electric Company that has been in operation since 1884. [4] In 2001, Lucent Technologies ' Optical Fiber Solutions business was sold to Furukawa Electric Co. Ltd. The new company became OFS Fitel, LLC, headquartered in Norcross (near Atlanta ), Georgia , USA .
Furukawa Group (古河グループ, Furukawa Gurūpu) formerly Furukawa zaibatsu (古河財閥) is one of Japan's 15 largest industrial groups. Its origins date back to 1875, founder Furukawa Ichibei .
Rock drill mounted on a tripod. The large objects on the legs are weights to anchor it down into position. In reciprocating power drills, the drilling cylinder is mounted on a feed-screw, such that as the hole is drilled and the drilling point recedes from the rock face, the drill-bit continues to move into it, while the anchor point (on the tripod or column) remains in place. [11]
Furukawa Electric aids CERN's experiments on the search for the Higgs boson with its superconducting magnet wires. [6] The company's products also include superconductivity cables. As of July 2013 the company has 137 subsidiaries and affiliate companies across Japan, Europe, North and South America. [7] Furukawa Electric advertisement in 1930s
On November 20, 1908, he filed the basic patents for the Sharp-Hughes Rock Bit, and on August 10, 1909, was granted U.S. patent 930,758 and U.S. patent 930,759 for this rock drill. Hughes's two-cone rotary drill bit , nicknamed "rock eater", penetrated medium and hard rock with ten times the speed of any former bit, and its development ...
Staff at a thrift shop located in Wyoming found a police docket from 1904, which documented historical crimes. The discovery of the leather book is said to hold "a wealth of history."
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]