BE789390A - SHIELD SUPPORT FRAMES - Google Patents

SHIELD SUPPORT FRAMES

Info

Publication number
BE789390A
BE789390A BE789390DA BE789390A BE 789390 A BE789390 A BE 789390A BE 789390D A BE789390D A BE 789390DA BE 789390 A BE789390 A BE 789390A
Authority
BE
Belgium
Prior art keywords
support frames
shield support
shield
frames
support
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Gewerk Eisenhuette Westfalia
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.)
Publication date
Priority claimed from DE19712149380 external-priority patent/DE2149380C3/en
Priority claimed from DE19722217830 external-priority patent/DE2217830C3/en
Publication of BE789390A publication Critical patent/BE789390A/en

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
    • E21D23/04—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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • 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
    • E21D23/0043—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 two or more rows 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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Framework For Endless Conveyors (AREA)
BE789390D 1971-10-02 SHIELD SUPPORT FRAMES BE789390A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712149380 DE2149380C3 (en) 1971-10-02 1971-10-02 Longwall frame
DE19722217830 DE2217830C3 (en) 1972-04-13 1972-04-13 Shield support frame

Publications (1)

Publication Number Publication Date
BE789390A true BE789390A (en) 1973-01-15

Family

ID=25761820

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789390D BE789390A (en) 1971-10-02 SHIELD SUPPORT FRAMES

Country Status (5)

Country Link
US (1) US3830070A (en)
JP (1) JPS4842549A (en)
BE (1) BE789390A (en)
FR (1) FR2156656B1 (en)
GB (1) GB1410664A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898845A (en) * 1973-01-31 1975-08-12 Gewerk Eisenhuette Westfalia Mineral mining installations
DE2309670C2 (en) * 1973-02-27 1974-09-05 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Support frame with offset shielding for longwall mining in underground mining operations
JPS5715278B2 (en) * 1973-07-14 1982-03-29
GB1477136A (en) * 1973-10-18 1977-06-22 Dowty Mining Equipment Ltd Mine roof support
US4010618A (en) * 1974-01-19 1977-03-08 Dowty Mining Equipment Limited Mine roof support
DE2416306C2 (en) * 1974-04-04 1979-12-06 Becorit Grubenausbau Gmbh, 4350 Recklinghausen Breakage and misalignment shielding for a shield support for underground mining operations
CA1042564A (en) * 1974-04-18 1978-11-14 Kanji Ishii Ionization type smoke sensor
DE2451747C2 (en) * 1974-10-31 1977-09-15 Rheinstahl Ag SHIELD-LIKE EXTENSION FRAME
GB1526399A (en) * 1974-12-18 1978-09-27 Dowty Mining Equipment Ltd Mine roof support
DE2459792A1 (en) * 1974-12-18 1976-07-01 Gewerk Eisenhuette Westfalia SHIELD STRUCTURE
DE2509810C3 (en) * 1975-03-06 1979-04-05 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Gradual expansion for use in mighty seams
DE2748396C2 (en) * 1977-10-28 1985-08-08 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Height-adjustable offset shield, especially for blow molding operations
DE2800004A1 (en) * 1978-01-02 1979-07-12 Gewerk Eisenhuette Westfalia EXTENSION FRAME FOR UNDERGROUND MINING
DE3023282A1 (en) * 1980-06-21 1982-01-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen SHIELD BOCK, ESPECIALLY FOR USE IN THE DISASSEMBLY OF MIGHTY WAREHOUSES IN DISC BUILDING
CN101943016A (en) * 2010-08-17 2011-01-12 天地科技股份有限公司 Novel shielding full-mechanized mining hydraulic bracket for extremely thin coal bed

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1389622A (en) * 1964-01-10 1965-02-19 Movable mine roof support device, combined with a conveyor skidding cylinder
GB1061071A (en) * 1964-03-20 1967-03-08 Gullick Ltd Improvements in or relating to mine roof supports
GB1036663A (en) * 1964-04-03 1966-07-20 Gullick Ltd Improvements in or relating to mine roof and like supports
DE1219892B (en) * 1964-11-14 1966-06-30 Gewerk Eisenhuette Westfalia Control of a coal plow
FR1426731A (en) * 1965-03-18 1966-01-28 Gullick Ltd Improvements made to mine roof supports and similar
GB1124665A (en) * 1966-04-29 1968-08-21 Gullick Ltd Improvements in or relating to mine roof supports
FR1503990A (en) * 1966-10-11 1967-12-01 Bennes Marrel Improvements to support piles, especially for mines or underground work sites
FR1520313A (en) * 1967-04-25 1968-04-05 Gullick Ltd Improvements relating to mine supports
US3564857A (en) * 1969-01-23 1971-02-23 Hans Joachim Von Hippel Apparatus for protecting underground excavations against collapse
RO65392A (en) * 1969-04-29 1979-07-15 Banyaszati Kutato Intezet ABATAGE SHIELD
DE1937308C3 (en) * 1969-07-23 1983-12-15 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support element
DE2027299A1 (en) * 1970-06-03 1971-12-09 Klöckner-Werke ,4100 Duisburg Cap pull for the support frame of the traveling longwall mining

Also Published As

Publication number Publication date
JPS4842549A (en) 1973-06-20
GB1410664A (en) 1975-10-22
FR2156656B1 (en) 1976-10-29
FR2156656A1 (en) 1973-06-01
US3830070A (en) 1974-08-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GEWERKSCHAFT EISENHUTTE WESTFALIA

Effective date: 19860930