JPS5188403A - - Google Patents
Info
- Publication number
- JPS5188403A JPS5188403A JP50152715A JP15271575A JPS5188403A JP S5188403 A JPS5188403 A JP S5188403A JP 50152715 A JP50152715 A JP 50152715A JP 15271575 A JP15271575 A JP 15271575A JP S5188403 A JPS5188403 A JP S5188403A
- 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.)
- Pending
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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0418—Positioning devices and stabilizing means for the props
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Joints Allowing Movement (AREA)
- Pivots And Pivotal Connections (AREA)
- Support Of The Bearing (AREA)
- Bridges Or Land Bridges (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742461011 DE2461011C2 (de) | 1974-12-21 | 1974-12-21 | Ausrichtvorrichtung fuer die stempel von hydraulischen schreitausbaugestellen |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5188403A true JPS5188403A (ja) | 1976-08-03 |
Family
ID=5934367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50152715A Pending JPS5188403A (ja) | 1974-12-21 | 1975-12-19 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3985328A (ja) |
JP (1) | JPS5188403A (ja) |
AU (1) | AU8751875A (ja) |
DE (1) | DE2461011C2 (ja) |
FR (1) | FR2295220A1 (ja) |
GB (1) | GB1513058A (ja) |
ZA (1) | ZA757701B (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL117063B1 (en) * | 1978-09-15 | 1981-07-31 | Gorniczo Hutniczy Miedzi | Fast disconnectable coupling between a prop and its sill |
US4757866A (en) * | 1986-09-30 | 1988-07-19 | Steve Szoke | Hydraulic drill feed units |
CN102410032B (zh) * | 2011-12-19 | 2014-02-05 | 枣庄甘霖实业有限公司 | Pvc柱鞋及制作工艺 |
CN104895590B (zh) * | 2015-06-02 | 2017-03-01 | 辽宁工程技术大学 | 一种快速吸能防冲抗底臌的巷道液压支架底梁 |
CN109944615A (zh) * | 2019-04-18 | 2019-06-28 | 东北大学 | 一种井下支护用人工矿柱及架设方法 |
CN114017075B (zh) * | 2021-10-11 | 2023-10-20 | 煤炭科学研究总院有限公司 | 具有可转动底脚的支撑柱 |
US11772209B1 (en) * | 2022-04-22 | 2023-10-03 | Swanson Industries, Inc. | Mining shield base lift apparatuses and methods |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1155077B (de) * | 1960-12-24 | 1963-10-03 | Rheinstahl Gmbh Wanheim | Sohlstueck fuer wandernde Ausbauelemente |
DE2119246A1 (de) * | 1971-04-21 | 1972-11-02 | Gewerkschaft Eisenhütte Westfalia, 4628 Altlünen | Bruchabweiser, insbesondere für einen schreitenden Ausbau für Untertagebetriebe |
GB1419954A (en) * | 1972-04-27 | 1975-12-31 | Dowty Mining Equipment Ltd | Mine roof support |
DE2237798A1 (de) * | 1972-08-01 | 1974-02-14 | Gewerk Eisenhuette Westfalia | Strebaasbau |
US3813886A (en) * | 1973-01-02 | 1974-06-04 | G Alacchi | Travelling shoring apparatus |
US3877234A (en) * | 1973-05-04 | 1975-04-15 | Banyaszati Kutato Intezet | Advanceable shield support |
-
1974
- 1974-12-21 DE DE19742461011 patent/DE2461011C2/de not_active Expired
-
1975
- 1975-12-09 ZA ZA757701A patent/ZA757701B/xx unknown
- 1975-12-12 AU AU87518/75A patent/AU8751875A/en not_active Expired
- 1975-12-15 FR FR7538248A patent/FR2295220A1/fr not_active Withdrawn
- 1975-12-16 GB GB51476/75A patent/GB1513058A/en not_active Expired
- 1975-12-19 JP JP50152715A patent/JPS5188403A/ja active Pending
- 1975-12-19 US US05/642,618 patent/US3985328A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2295220A1 (fr) | 1976-07-16 |
US3985328A (en) | 1976-10-12 |
ZA757701B (en) | 1976-11-24 |
DE2461011C2 (de) | 1977-01-20 |
DE2461011B1 (de) | 1976-05-13 |
GB1513058A (en) | 1978-06-07 |
AU8751875A (en) | 1977-06-16 |