JPS5738754B2 - - Google Patents
Info
- Publication number
- JPS5738754B2 JPS5738754B2 JP14846678A JP14846678A JPS5738754B2 JP S5738754 B2 JPS5738754 B2 JP S5738754B2 JP 14846678 A JP14846678 A JP 14846678A JP 14846678 A JP14846678 A JP 14846678A JP S5738754 B2 JPS5738754 B2 JP S5738754B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14846678A JPS5738754B2 (en) | 1978-11-30 | 1978-11-30 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14846678A JPS5738754B2 (en) | 1978-11-30 | 1978-11-30 | |
CA339,914A CA1130823A (en) | 1978-11-30 | 1979-11-15 | Longwall mining method designed to alleviate the earth pressure at the working face |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5575098A JPS5575098A (en) | 1980-06-06 |
JPS5738754B2 true JPS5738754B2 (en) | 1982-08-17 |
Family
ID=15453370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14846678A Expired JPS5738754B2 (en) | 1978-11-30 | 1978-11-30 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5738754B2 (en) |
CA (1) | CA1130823A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58164656U (en) * | 1982-04-28 | 1983-11-02 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102996131B (en) * | 2012-12-10 | 2014-10-29 | 中国矿业大学 | Solid-filling coal mining method with two pre-excavating tunnels for advancing |
CN105089668A (en) * | 2014-05-19 | 2015-11-25 | 梁捷 | Longwall working face coal-pillar-free mining method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53102202A (en) * | 1976-09-13 | 1978-09-06 | Serata Shosei | Method of underground cavity excavation construction by stress control that use advance slot excavation |
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1978
- 1978-11-30 JP JP14846678A patent/JPS5738754B2/ja not_active Expired
-
1979
- 1979-11-15 CA CA339,914A patent/CA1130823A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53102202A (en) * | 1976-09-13 | 1978-09-06 | Serata Shosei | Method of underground cavity excavation construction by stress control that use advance slot excavation |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58164656U (en) * | 1982-04-28 | 1983-11-02 |
Also Published As
Publication number | Publication date |
---|---|
CA1130823A (en) | 1982-08-31 |
CA1130823A1 (en) | |
JPS5575098A (en) | 1980-06-06 |