SU612021A1 - Method of excavating thick slightly inclined seams - Google Patents
Method of excavating thick slightly inclined seamsInfo
- Publication number
- SU612021A1 SU612021A1 SU762389556A SU2389556A SU612021A1 SU 612021 A1 SU612021 A1 SU 612021A1 SU 762389556 A SU762389556 A SU 762389556A SU 2389556 A SU2389556 A SU 2389556A SU 612021 A1 SU612021 A1 SU 612021A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- slightly inclined
- thick slightly
- inclined seams
- excavating
- excavating thick
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
Description
ванной крепи и обрушением кровли на оградителыи -поддер}кивак иее щитсюое перекрытие , опирающеес на наклонный забой усту па, отличаюшийс тем, что, с целыо повышени эффективности выемки и безотасности труда, выемку уступа производ т полосами, параллельными почве пласта, с оставлением между полосами целиков угл дл опоры на них оградителыю оддерживаю щего перекрыти и вслед за выемкой полос осуществл ют разрушение иелнков. Источники информации, прин тые во внимание при экспертизе: 1.Авторское свидетельство СССР № 65632, кл. Е 21 с 41/04, 1941. 2.Крылов В, Ф, и др. Из опыта разработки мощных пологих пластов, М., 1959, с. 127-156.bath support and roof collapsing on fencing podder} kivak and its shielding overlap, based on inclined bottoming, characterized by the fact that, in order to increase the efficiency of excavation and the safety of labor, the notch of the ledge is produced by strips parallel to the soil of the seam, leaving between the bands Coal pillars are used to support them with a protective overlap and, following the recess of the strips, crush the logs. Sources of information taken into account in the examination: 1. USSR author's certificate number 65632, cl. E 21 p 41/04, 1941. 2. Krylov V, F, and others. From the experience of developing powerful flat seams, Moscow, 1959, p. 127-156.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762389556A SU612021A1 (en) | 1976-07-19 | 1976-07-19 | Method of excavating thick slightly inclined seams |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762389556A SU612021A1 (en) | 1976-07-19 | 1976-07-19 | Method of excavating thick slightly inclined seams |
Publications (1)
Publication Number | Publication Date |
---|---|
SU612021A1 true SU612021A1 (en) | 1978-06-25 |
Family
ID=20671688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU762389556A SU612021A1 (en) | 1976-07-19 | 1976-07-19 | Method of excavating thick slightly inclined seams |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU612021A1 (en) |
-
1976
- 1976-07-19 SU SU762389556A patent/SU612021A1/en active
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