发明名称 SAWING MACHINE FOR COAL EXTRACTION AT THIN FLAT SEAMS
摘要 A sawing machine for coal extraction at flat seams has scrapers with cutters, multi-chain barrier with possibility of reciprocal motion and drives. Barrier has arc-life form and is rigidly connected to scrapers in the upper part directly, and at middle - by means of corner plate beneath of which a gate for coal motion along the face is hinged.
申请公布号 UA27348(U) 申请公布日期 2007.10.25
申请号 UA20070007084U 申请日期 2007.06.25
申请人 DONBAS STATE TECHNICAL UNIVERSITY 发明人 TYSCHENKO VIKTOR OLEKSIIOVYCH
分类号 E21C41/00 主分类号 E21C41/00
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