著者

上村 敏夫

出版者

一般社団法人 資源・素材学会

雑誌

日本鉱業会誌 (ISSN:03694194)

巻号頁・発行日

vol.80, no.913, pp.584-590, 1964-07-25 (Released:2011-07-13)

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Due io it's natural conditions the original exploiting features in Akabira Coal Mine were as follows.1. Combination of shaft and belt conveyor.2. Expansion of adjacent area by means of blind inclined shaft system.3. Origination of special car-coupler which can be used for both shaft and inclined shaft.Besides, many preceding technical rationalization and adoption of the new calculating method of stondard amount of labour. Now, we have fully acomplished the rationalization of operation. The present capacity of productioin is 2, 000, 000 tons/year and it's efficiency is 60 tons/head/month.