Dec 28, 2019 00:00
4 yrs ago
4 viewers *
Japanese term

卸おろし

Japanese to English Bus/Financial Mining & Minerals / Gems Coal mining terminology
I am working on an academic paper about technological innovations leading to increased coal production in Japanese coalmines in the late 19th and early 20th centuries.

My questions has to do with a part of a coal mine called “卸おろし,” or just “卸”. It appears in the following passage.

それまで用いられていた残柱式採炭法では,炭層の傾斜に沿って作られた卸おろし(大阪地方職業紹介事務局,1926,11 頁.主要な傾斜道はすべて卸と呼ばれた),それに直交する走向方向にいくつかの片磐坑道(炭層の走向とほぼ平行に作られた採炭を行うための水平坑道のこと(大阪地方職業紹介事務局,1926,11 頁),「片盤」とも書く)を掘進し,上下の片磐坑道間に坑道保護のため10‒20 間(1 間≒1.8 メートル)角の炭柱を残して,碁盤の目のように1‒2 間幅の切羽,一丁切羽をつけて採炭していた(荻野,1993,18 頁).

I wonder if this might not be “chute,” but am not sure. Does anyone know what this refers to?

Thank you.
Proposed translations (English)
5
References
FYR

Discussion

Nicholasl Jan 14, 2020:
I wonder if 卸おろし isn't simply an accidental duplication of 卸 - in which case, 卸 may just equate to 斜坑 ('inclined shaft') - See P. 154, JIS 工業用語大辞典 1982 ed. Also, https://ejje.weblio.jp/content/斜坑  has 斜坑 as 'incline' or 'inclined shaft.'
Antonia Herrera Dec 28, 2019:
Both of those words can also mean "grated" so I think this refers to the grater of the mine, which doesn't have a formal name that I can find. However, I took it to mean the area and equipment that grinds or cuts the coal into usable, smaller pieces for sale.

Proposed translations

683 days

It explains in the next sentence directly after that:
主要な傾斜道はすべて卸と呼ばれた

The hiragana おろし after 卸 is simply a result of furigana being rendered poorly when it changed format.
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Reference comments

50 mins
Reference:

FYR

卸(おろし)・昇(のぼり)
 ともに斜めの坑道で上部から掘り下がるときは卸、下から掘り上がるときは昇という。しかし、できあがってしまえばどちらかは判定できない。名称によってのみ掘ったときの方向がわかる
https://kotobank.jp/word/炭鉱用語集-1614518
Peer comments on this reference comment:

agree Marc Brunet : the definitive confirmation to Nicolasl conclusion: An inclined (trunk) gallery parallel to coal seam slope, with level drifts perpendicular to it to access and work that seam at various depths, using Incline G. to collect coal, down to lift shaft.
75 days
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