GB8620168D0 - Supporting unit - Google Patents

Supporting unit

Info

Publication number
GB8620168D0
GB8620168D0 GB868620168A GB8620168A GB8620168D0 GB 8620168 D0 GB8620168 D0 GB 8620168D0 GB 868620168 A GB868620168 A GB 868620168A GB 8620168 A GB8620168 A GB 8620168A GB 8620168 D0 GB8620168 D0 GB 8620168D0
Authority
GB
United Kingdom
Prior art keywords
supporting unit
supporting
unit
Prior art date
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
Application number
GB868620168A
Other versions
GB2180285A (en
GB2180285B (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8620168D0 publication Critical patent/GB8620168D0/en
Publication of GB2180285A publication Critical patent/GB2180285A/en
Application granted granted Critical
Publication of GB2180285B publication Critical patent/GB2180285B/en
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
    • E21D23/0004—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
    • 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
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine

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)
  • Framework For Endless Conveyors (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Invalid Beds And Related Equipment (AREA)
GB08620168A 1985-08-22 1986-08-19 Supporting unit for a mechanized support for underground longwall working Expired GB2180285B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU319985A HU194596B (en) 1985-08-22 1985-08-22 Supporting unit at underground widework for mechanized supporting equipment

Publications (3)

Publication Number Publication Date
GB8620168D0 true GB8620168D0 (en) 1986-10-01
GB2180285A GB2180285A (en) 1987-03-25
GB2180285B GB2180285B (en) 1988-11-30

Family

ID=10963063

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08620168A Expired GB2180285B (en) 1985-08-22 1986-08-19 Supporting unit for a mechanized support for underground longwall working

Country Status (4)

Country Link
DE (1) DE3625826A1 (en)
GB (1) GB2180285B (en)
HU (1) HU194596B (en)
PL (1) PL154460B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8715774D0 (en) * 1987-07-04 1987-08-12 Dowty Mining Equipment Ltd Roof supports
DE4041527A1 (en) * 1990-12-22 1992-06-25 Westfalia Becorit Ind Tech EXTENSION FRAME, ESPECIALLY SHIELD EXTENSION RACK WITH TREADMILL AND REAR SLIDING DEVICE

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1333921A (en) * 1972-03-01 1973-10-17 Ind Sealants Ltd Sealing windows and the like obturating members
US3879088A (en) * 1973-09-13 1975-04-22 Jr George Sodder Longwall mining system
GB1487553A (en) * 1973-10-18 1977-10-05 Dowty Mining Equipment Ltd Mine roof support
GB1503750A (en) * 1975-05-22 1978-03-15 Fletcher Sutcliffe Wild Ltd Mining equipment
GB1588306A (en) * 1976-10-16 1981-04-23 Dowty Mining Equipment Ltd Mining apparatus
GB1582390A (en) * 1977-12-22 1981-01-07 Gullick Dobson Ltd Self-advancing roof supports
GB2041056B (en) * 1979-02-03 1983-05-05 Fletcher Sutcliffe Wild Ltd Mine roof support
GB2077832B (en) * 1980-06-06 1983-09-28 Babcock Roof Supports Ltd Mine roof support with advancing mechanism
GB2115046B (en) * 1982-01-16 1985-06-26 Dobson Park Ind Self-advancing roof supports
GB2123469A (en) * 1982-07-08 1984-02-01 G Pk Exi Ugolnogo Mash Mine roof support unit
DE3307546A1 (en) * 1983-03-03 1984-09-06 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Powered support assembly with a skid-lifting device
GB2142075B (en) * 1983-06-22 1986-07-23 Dowty Mining Equipment Ltd Mine-roof supports
DE3400771A1 (en) * 1984-01-12 1985-07-18 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen EXTENSION FRAME, IN PARTICULAR SHIELD EXTENSION FRAME, WITH A LIFTING DEVICE FOR LIFTING THE RECESSED RUNNERS

Also Published As

Publication number Publication date
DE3625826C2 (en) 1990-04-19
HUT41091A (en) 1987-03-30
DE3625826A1 (en) 1987-03-26
PL261116A1 (en) 1987-05-18
HU194596B (en) 1988-02-29
GB2180285A (en) 1987-03-25
PL154460B1 (en) 1991-08-30
GB2180285B (en) 1988-11-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee