FR2128636A1 - - Google Patents
Info
- Publication number
- FR2128636A1 FR2128636A1 FR7207604A FR7207604A FR2128636A1 FR 2128636 A1 FR2128636 A1 FR 2128636A1 FR 7207604 A FR7207604 A FR 7207604A FR 7207604 A FR7207604 A FR 7207604A FR 2128636 A1 FR2128636 A1 FR 2128636A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- 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
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
- E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
- E21D23/0039—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by a strut or by a row of struts parallel to the working face
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
- Actuator (AREA)
- Processing Of Solid Wastes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUBA2550A HU162717B (enrdf_load_stackoverflow) | 1971-03-05 | 1971-03-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2128636A1 true FR2128636A1 (enrdf_load_stackoverflow) | 1972-10-20 |
FR2128636B1 FR2128636B1 (enrdf_load_stackoverflow) | 1981-04-30 |
Family
ID=10993327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7207604A Expired FR2128636B1 (enrdf_load_stackoverflow) | 1971-03-05 | 1972-03-03 |
Country Status (12)
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2418329A1 (fr) * | 1978-02-25 | 1979-09-21 | Gewerk Eisenhuette Westfalia | Systeme de commande hydraulique pour dispositif de recouvrement de joint prevu sur le chapeau ou sur le bouclier de foudroyage d'un soutenement marchant |
FR2432084A1 (fr) * | 1978-07-27 | 1980-02-22 | Gewerk Eisenhuette Westfalia | Systeme de commande hydraulique pour dispositif de recouvrement des intervalles et de stabilisation prevu d'un cote sur le chapeau ou sur le bouclier de foudroyage d'un ensemble de soutenement |
FR2443568A1 (fr) * | 1978-12-08 | 1980-07-04 | Gewerk Eisenhuette Westfalia | Dispositif d'etancheite lateral pour cadre de soutenement dans les exploitations minieres au fond |
FR2467968A1 (fr) * | 1979-10-19 | 1981-04-30 | Gewerk Eisenhuette Westfalia | Dispositif de recouvrement des intervalles pour soutenement marchant ou structures analogues |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2308424C3 (de) * | 1973-02-21 | 1982-09-16 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Staubabsaugvorrichtung für Abbaubetriebe |
DE2319909C2 (de) * | 1973-04-19 | 1982-07-01 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung |
DE2407227B1 (de) * | 1974-02-15 | 1975-06-05 | Bochumer Eisen Heintzmann | Hangendkappen-Anordnung fuer Schildausbaugestelle |
DE2547853C2 (de) * | 1975-10-25 | 1984-04-05 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaueinheit |
GB1568967A (en) * | 1976-02-06 | 1980-06-11 | Dowty Mining Equipment Ltd | Mine roof support |
HU179856B (en) * | 1980-05-06 | 1982-12-28 | Varpalotai Szenbanyak | Apparatus for nining particularly expolating thick seams |
DE3833842C1 (en) * | 1988-10-05 | 1989-08-31 | Bochumer Eisenhuette Heintzmann Gmbh & Co Kg, 4630 Bochum, De | Powered support assembly |
DE4214690C2 (de) * | 1992-05-02 | 1998-09-17 | Dbt Gmbh | Spaltabdeckung für Ausbaugestelle, insbesondere Schildausbaugestelle |
CN108194081B (zh) | 2015-06-24 | 2019-04-26 | 北京中矿创新联盟能源环境科学研究院 | 一种采煤作业方法 |
CN117108331B (zh) * | 2023-10-23 | 2024-01-02 | 山西新龙重工高分子科技有限公司 | 一种单元式液压支架 |
-
1971
- 1971-03-05 HU HUBA2550A patent/HU162717B/hu unknown
-
1972
- 1972-02-28 ZA ZA721304A patent/ZA721304B/xx unknown
- 1972-02-29 AT AT165372A patent/AT318522B/de not_active IP Right Cessation
- 1972-03-02 YU YU525/72A patent/YU34450B/xx unknown
- 1972-03-03 PL PL1972153871A patent/PL75035B1/pl unknown
- 1972-03-03 FR FR7207604A patent/FR2128636B1/fr not_active Expired
- 1972-03-04 JP JP2269972A patent/JPS5512520B1/ja active Pending
- 1972-03-04 ES ES400459A patent/ES400459A1/es not_active Expired
- 1972-03-06 DE DE19722210757 patent/DE2210757B2/de not_active Ceased
- 1972-03-06 DE DE19727208525U patent/DE7208525U/de not_active Expired
- 1972-03-06 AU AU39649/72A patent/AU459296B2/en not_active Expired
- 1972-03-06 BE BE780246A patent/BE780246A/xx not_active IP Right Cessation
- 1972-03-06 GB GB1037572A patent/GB1381544A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2418329A1 (fr) * | 1978-02-25 | 1979-09-21 | Gewerk Eisenhuette Westfalia | Systeme de commande hydraulique pour dispositif de recouvrement de joint prevu sur le chapeau ou sur le bouclier de foudroyage d'un soutenement marchant |
FR2432084A1 (fr) * | 1978-07-27 | 1980-02-22 | Gewerk Eisenhuette Westfalia | Systeme de commande hydraulique pour dispositif de recouvrement des intervalles et de stabilisation prevu d'un cote sur le chapeau ou sur le bouclier de foudroyage d'un ensemble de soutenement |
FR2443568A1 (fr) * | 1978-12-08 | 1980-07-04 | Gewerk Eisenhuette Westfalia | Dispositif d'etancheite lateral pour cadre de soutenement dans les exploitations minieres au fond |
FR2467968A1 (fr) * | 1979-10-19 | 1981-04-30 | Gewerk Eisenhuette Westfalia | Dispositif de recouvrement des intervalles pour soutenement marchant ou structures analogues |
Also Published As
Publication number | Publication date |
---|---|
DE2210757A1 (de) | 1972-11-02 |
AU3964972A (en) | 1973-09-13 |
PL75035B1 (en) | 1974-12-31 |
YU34450B (en) | 1979-07-10 |
AT318522B (de) | 1974-10-25 |
HU162717B (enrdf_load_stackoverflow) | 1973-04-28 |
ES400459A1 (es) | 1974-12-16 |
BE780246A (fr) | 1972-07-03 |
YU52572A (en) | 1978-12-31 |
GB1381544A (en) | 1975-01-22 |
FR2128636B1 (enrdf_load_stackoverflow) | 1981-04-30 |
ZA721304B (en) | 1973-06-27 |
JPS5512520B1 (enrdf_load_stackoverflow) | 1980-04-02 |
DE7208525U (de) | 1978-08-24 |
DE2210757B2 (de) | 1977-10-20 |
AU459296B2 (en) | 1975-03-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |