SU644954A1 - Arched metal closed roof support - Google Patents
Arched metal closed roof supportInfo
- Publication number
- SU644954A1 SU644954A1 SU752106659A SU2106659A SU644954A1 SU 644954 A1 SU644954 A1 SU 644954A1 SU 752106659 A SU752106659 A SU 752106659A SU 2106659 A SU2106659 A SU 2106659A SU 644954 A1 SU644954 A1 SU 644954A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- roof support
- metal closed
- closed roof
- arched metal
- arched
- Prior art date
Links
Landscapes
- Tents Or Canopies (AREA)
Description
со стойкой, отличающа с тем, что, с целые снижени трудоемкости возведени крепи и обеспечени возможности установки лежн на любом этапе развити пучени , узел соединени лежн со стойкой выполнен в виде упора, состо щего из двух пр моугольных и одной профильной планок , причем одна из них установлена с возможностью взаимодействи с торцом лежн , а профильна - с наружной поверхностью его.with a rack, characterized in that, with the whole reduction in the laboriousness of the erection of the lining and ensuring the possibility of installing the bed at any stage of development of the rope, the junction with the rack is made in the form of an emphasis consisting of two rectangular and one profile slats, they are installed with the ability to interact with the end of the hollow, and the profile - with the outer surface of it.
Источники информации, прин тые во внимание при экспертизеSources of information taken into account in the examination
1.Авторское свидетельство СССР № 389257, кл. Е 21D 11/24, 1971.1. USSR Author's Certificate No. 389257, cl. E 21 D 11/24, 1971.
2.Гелескул М. Н. и др. Поддержание горных выработок. М., «Недра, 1973, с. 54, рис. 31.2. Geleskul MN and others. Maintenance of mine workings. M., "Nedra, 1973, p. 54, fig. 31.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU752106659A SU644954A1 (en) | 1975-02-20 | 1975-02-20 | Arched metal closed roof support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU752106659A SU644954A1 (en) | 1975-02-20 | 1975-02-20 | Arched metal closed roof support |
Publications (1)
Publication Number | Publication Date |
---|---|
SU644954A1 true SU644954A1 (en) | 1979-01-30 |
Family
ID=20610570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU752106659A SU644954A1 (en) | 1975-02-20 | 1975-02-20 | Arched metal closed roof support |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU644954A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114046160A (en) * | 2021-11-04 | 2022-02-15 | 西山煤电(集团)有限责任公司 | Stress transfer reverse suspension combined supporting structure for treating floor heave of coal mine roadway |
-
1975
- 1975-02-20 SU SU752106659A patent/SU644954A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114046160A (en) * | 2021-11-04 | 2022-02-15 | 西山煤电(集团)有限责任公司 | Stress transfer reverse suspension combined supporting structure for treating floor heave of coal mine roadway |
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