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Showing: 1 to 10 of 26 matches for "safety dog hoisting"  Page   1   2   3 TITLE Mining Engineering Notebook – Cage to Hoisting Engineer – Emergency Communication  SUMMARY ... the safety dog mechanism. Should slack rope occur, the safety mechanism sets the dogs and closes the switch, giving a continuous warning signal to the hoisting ... AUTHOR Boyer, W. A. ; Beck, A. W. PUBLISHED 1955 TITLE An Old Mine Is Given New Life With A Modern Hoisting Plant  SUMMARY ... from his station so that only one operator is required per hoisting shift. ... a proximity switch mounted on the cage safety dog operating shaft sends a carrier ... AUTHOR Schaal, R. G. PUBLISHED 1975 TITLE Cages, Skips, Buckets, Man-Cars, Water-Tanks-Chairs, Safeties, Skip-Dumps  SUMMARY ... SIV-3* @149' UPPER AND SUSPENDED CAGE DECKS FOR HOISTING MEN, BUTTE & SUPERIOR MINING CO., Bum , MONT. ... Steel Dog of Lepley Safety Device for Caqe. ... PUBLISHED 1938 TITLE Friction Hoist Installed For Multilevel Service at Lyon Mountain  SUMMARY ... adjusts the depth indicators and other safety de- vices for ... Safetj of multiple ropes-- Saletv dog> are not re ... in must p1;lc.c.- FRICTION HOISTING PROBLEMS Rope ... AUTHOR Irwin, John K. PUBLISHED 1963 TITLE Multi-Rope Hoists For Heavy Loads  SUMMARY ... to fatigue: when subjectedto repeated stressapplicationsduring hoisting,minute cracks ... tensileropes are stressedto the allowablestatutoryrope factors of safety. ... AUTHOR Tiley, Gerald L. PUBLISHED 1981 TITLE Pittsburg Paper - Electric Mine-Hoists  SUMMARY ... relating to hoisting- conditions. Methods of loading ore affect the time required, as also does the question of the use of cars or skips. Safety- precautions ... AUTHOR Rushmore, D. B. ; Pauly, K. A. PUBLISHED 1911 TITLE Papers - Some Outstanding Mine-hoisting Equipment (T.P. 1190, with discussion)  SUMMARY ... of clutches have been offered, the earliest being a dog or toothed ... 196 SOME OUTSTANDING MINE-HOISTING EQUIPMENT ... per foot; factor of safety 4.8, with a load of ... AUTHOR Nordberg, Bruno V. E. PUBLISHED 1940 TITLE Pneumatic Transport Systems  SUMMARY ... The Edmonton tunnels went through clay, coal, bentonite, bands of dolomite and quicksand . . . the proverbial ‘ dog! s breakfast! . As a result con- ... AUTHOR Morrison, Brock H. PUBLISHED 1997 TITLE Caving Methods - History and Development of Block Caving at the Mines of the Inspiration Consolidated Copper Company  SUMMARY ... company. At the west end of this area there was the Bull Dog fault, which dipped with a flat incline to the east. ... Q.-INSPIRATION YAIN ORE-HOISTING SHAFTS. ... AUTHOR Stoddard, A. C. PUBLISHED 1946 TITLE Development Of Mining Methods At Balatoc Mine  SUMMARY ... of service shafts with hoisting facilities-a total of over 43 miles. ... practice of taking only one floor across the stope is followed as a safety measure, except ... AUTHOR Hezzelwood, George W. PUBLISHED 1942 Showing: 1 to 10 of 26 matches for "safety dog hoisting"  Page   1   2   3 Search Again