HU162774B - - Google Patents
Info
- Publication number
- HU162774B HU162774B HUDO000346A HU162774B HU 162774 B HU162774 B HU 162774B HU DO000346 A HUDO000346 A HU DO000346A HU 162774 B HU162774 B HU 162774B
- Authority
- HU
- Hungary
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/50—Component parts or details of props
- E21D15/54—Details of the ends of props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Golf Clubs (AREA)
- Tents Or Canopies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1163169A GB1262991A (en) | 1969-03-05 | 1969-03-05 | Improvements in or relating to mine roof supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HU162774B true HU162774B (fr) | 1973-04-28 |
Family
ID=9989847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HUDO000346 HU162774B (fr) | 1969-03-05 | 1970-03-03 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT293311B (fr) |
| DE (2) | DE7006295U (fr) |
| GB (1) | GB1262991A (fr) |
| HU (1) | HU162774B (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2142299A5 (fr) * | 1971-06-17 | 1973-01-26 | Bennes Marrel | |
| US4004771A (en) * | 1972-09-09 | 1977-01-25 | Gewerkschaft Eisenhutte Westfalia | Ball-and-socket type connections for use with mining apparatus |
| GB1593376A (en) * | 1976-09-03 | 1981-07-15 | Huwood Ltd | Mine roof supports |
| FR2505925A1 (fr) * | 1981-05-12 | 1982-11-19 | Alsace Mines Potasse | Dispositif mecanique de liaison entre tete ou pied d'etancon et embase ou chapeau des piles de soutenement |
| CN102337909B (zh) * | 2010-07-16 | 2015-03-25 | 李泽宇 | 一种柱窝 |
| CN110529144B (zh) * | 2019-09-26 | 2020-08-28 | 中国矿业大学 | 一种小断面回采巷道混合式超前支护方法 |
-
1969
- 1969-03-05 GB GB1163169A patent/GB1262991A/en not_active Expired
-
1970
- 1970-02-21 DE DE19707006295 patent/DE7006295U/de not_active Expired
- 1970-02-21 DE DE19702008100 patent/DE2008100A1/de active Pending
- 1970-02-23 AT AT163870A patent/AT293311B/de not_active IP Right Cessation
- 1970-03-03 HU HUDO000346 patent/HU162774B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2008100A1 (de) | 1970-09-24 |
| DE7006295U (de) | 1974-01-03 |
| AT293311B (de) | 1971-10-11 |
| GB1262991A (en) | 1972-02-09 |