FR1346982A - Rabot-bélier pour l'extraction du charbon par percussion, utilisable notamment dans les mines pour l'exploitation par tailles
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Rabot-bélier pour l'extraction du charbon par percussion, utilisable notamment dans les mines pour l'exploitation par tailles
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Gewerkschaft Eisenhutte Westfalia GmbH
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Gewerkschaft Eisenhutte Westfalia GmbH
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Application filed by Gewerkschaft Eisenhutte Westfalia GmbHfiledCriticalGewerkschaft Eisenhutte Westfalia GmbH
Priority to FR898607ApriorityCriticalpatent/FR1346982A/fr
Application grantedgrantedCritical
Publication of FR1346982ApublicationCriticalpatent/FR1346982A/fr
E21C27/00—Machines which completely free the mineral from the seam
E21C27/20—Mineral freed by means not involving slitting
E21C27/32—Mineral freed by means not involving slitting by adjustable or non-adjustable planing means with or without loading arrangements
E21C27/34—Machine propelled along the working face by cable or chain
E21C27/35—Ram-ploughs
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Engineering & Computer Science
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Mining & Mineral Resources
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Mechanical Engineering
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Life Sciences & Earth Sciences
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General Life Sciences & Earth Sciences
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Geochemistry & Mineralogy
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Geology
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FR898607A1962-05-241962-05-24Rabot-bélier pour l'extraction du charbon par percussion, utilisable notamment dans les mines pour l'exploitation par tailles
ExpiredFR1346982A
(fr)
Dispositif pour l'extraction du charbon au moyen d'un équipage de rabotage guidé le long d'un transporteur, utilisable notamment dans les mines.