Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
"Ferromatic" hydraulic prop
"Ferromatic" hydraulic support system comprises complete range of hydraulic supports; including props, chocks, powered supports and power packs; prop differs from most others in that it employs system of hydraulic injection; 2 normal props will be constructed for maximum yield loads of 25 and 40 tons as well as special prop for very thick seams with yield load of 30 tons; construction, hydraulic system, operation, application and maintenance. (See also Colliery Guardian v 203 n 5249 Nov 23 1961 p 622-7; Steel and Coal v 184 n 4882 Feb 9 1962 p 267-9)
"Ferromatic" hydraulic prop
"Ferromatic" hydraulic support system comprises complete range of hydraulic supports; including props, chocks, powered supports and power packs; prop differs from most others in that it employs system of hydraulic injection; 2 normal props will be constructed for maximum yield loads of 25 and 40 tons as well as special prop for very thick seams with yield load of 30 tons; construction, hydraulic system, operation, application and maintenance. (See also Colliery Guardian v 203 n 5249 Nov 23 1961 p 622-7; Steel and Coal v 184 n 4882 Feb 9 1962 p 267-9)
"Ferromatic" hydraulic prop
Colliery Eng
Colliery Engineering ; 38
1961
3 pages
Aufsatz (Zeitschrift)
Englisch
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