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Title:
Sheltering apparatus for use in long wall mining
Abstract:
A sheltering apparatus for use in the long wall face of mine wherein a plurality of plates are arranged in overlapping manner between a self-advancing support and an adjacent plate, and hung from wires whose ends are fixed to the supports through springs, and an air curtain is fixed at the front open portion of the support, whereby floating dust and falling dusty materials can be repelled from entering the inner space of the supports.
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Inventors:
Nakajima, Shigeo (Tokyo, JP) Tanaka, Masao (Tokyo, JP) Takahashi, Ken (Tokyo, JP) Kiyama, Nobuo (Yokohama, JP) Kanno, Takao (Yokohama, JP)
Application Number:
915817
Filing Date: 1978-06-15 Publication_date: 1980-02-19 Assignee:
Taiheiyo Engineering Inc. (Tokyo, JP)
Primary Class(es):
405/291
405/296
Other Classes:
US Patent Ref:
| 3702061 | Nov, 1972 | Kuhn et al. | 405/296. | | 3848420 | Nov, 1974 | Allen et al. | 405/293. | | 3916631 | Nov, 1975 | Agnew et al. | 405/293. | | 4067618 | Jan, 1978 | Nakajima et al. | 405/299. |
Other Refs:
Primary Examiner:
Taylor, Dennis L.
Assistant Examiner:
Attorney:
Morrison; Thomas R.
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