FR2128636B1 - - Google Patents

Info

Publication number
FR2128636B1
FR2128636B1 FR7207604A FR7207604A FR2128636B1 FR 2128636 B1 FR2128636 B1 FR 2128636B1 FR 7207604 A FR7207604 A FR 7207604A FR 7207604 A FR7207604 A FR 7207604A FR 2128636 B1 FR2128636 B1 FR 2128636B1
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.)
Expired
Application number
FR7207604A
Other languages
French (fr)
Other versions
FR2128636A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SANYASZATI KUTATO INTEZEI
Original Assignee
SANYASZATI KUTATO INTEZEI
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SANYASZATI KUTATO INTEZEI filed Critical SANYASZATI KUTATO INTEZEI
Publication of FR2128636A1 publication Critical patent/FR2128636A1/fr
Application granted granted Critical
Publication of FR2128636B1 publication Critical patent/FR2128636B1/fr
Expired legal-status Critical Current

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)
  • Actuator (AREA)
  • Processing Of Solid Wastes (AREA)
  • Lining And Supports For Tunnels (AREA)
FR7207604A 1971-03-05 1972-03-03 Expired FR2128636B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBA2550A HU162717B (en) 1971-03-05 1971-03-05

Publications (2)

Publication Number Publication Date
FR2128636A1 FR2128636A1 (en) 1972-10-20
FR2128636B1 true FR2128636B1 (en) 1981-04-30

Family

ID=10993327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7207604A Expired FR2128636B1 (en) 1971-03-05 1972-03-03

Country Status (12)

Country Link
JP (1) JPS5512520B1 (en)
AT (1) AT318522B (en)
AU (1) AU459296B2 (en)
BE (1) BE780246A (en)
DE (2) DE7208525U (en)
ES (1) ES400459A1 (en)
FR (1) FR2128636B1 (en)
GB (1) GB1381544A (en)
HU (1) HU162717B (en)
PL (1) PL75035B1 (en)
YU (1) YU34450B (en)
ZA (1) ZA721304B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308424C3 (en) * 1973-02-21 1982-09-16 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Dust extraction device for mining operations
DE2319909C2 (en) * 1973-04-19 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support frame with support and delay device that can be opened to the side
DE2407227B1 (en) * 1974-02-15 1975-06-05 Bochumer Eisen Heintzmann Hang end cap arrangement for shield support frames
DE2547853C2 (en) * 1975-10-25 1984-04-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support unit
GB1568967A (en) * 1976-02-06 1980-06-11 Dowty Mining Equipment Ltd Mine roof support
DE2808205C2 (en) * 1978-02-25 1985-10-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulic control for a gap cover arranged on the cap or on the breakage shield of a walking support
DE2832875C2 (en) * 1978-07-27 1985-11-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulic control for a gap covering and alignment device arranged on one side on the cap or on the fracture shield of an extension member
DE2853050C2 (en) * 1978-12-08 1985-10-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Lateral sealing device for a support frame in underground mining
DE2942269A1 (en) * 1979-10-19 1981-04-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen GAP COVERING FOR SCREAMING AND THE LIKE
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 (en) * 1992-05-02 1998-09-17 Dbt Gmbh Gap cover for removal frames, in particular shield removal frames
CN106168131B (en) 2015-06-24 2018-05-18 北京中矿创新联盟能源环境科学研究院 Equipment system of roadway-free coal-pillar-free self-retained roadway mining method
CN117108331B (en) * 2023-10-23 2024-01-02 山西新龙重工高分子科技有限公司 Unit type hydraulic support

Also Published As

Publication number Publication date
YU34450B (en) 1979-07-10
DE7208525U (en) 1978-08-24
AU3964972A (en) 1973-09-13
AU459296B2 (en) 1975-03-05
YU52572A (en) 1978-12-31
BE780246A (en) 1972-07-03
GB1381544A (en) 1975-01-22
HU162717B (en) 1973-04-28
DE2210757B2 (en) 1977-10-20
ZA721304B (en) 1973-06-27
AT318522B (en) 1974-10-25
DE2210757A1 (en) 1972-11-02
FR2128636A1 (en) 1972-10-20
PL75035B1 (en) 1974-12-31
JPS5512520B1 (en) 1980-04-02
ES400459A1 (en) 1974-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse