GB2184766B - Finishing control for face supports - Google Patents

Finishing control for face supports

Info

Publication number
GB2184766B
GB2184766B GB8630763A GB8630763A GB2184766B GB 2184766 B GB2184766 B GB 2184766B GB 8630763 A GB8630763 A GB 8630763A GB 8630763 A GB8630763 A GB 8630763A GB 2184766 B GB2184766 B GB 2184766B
Authority
GB
United Kingdom
Prior art keywords
finishing control
face supports
supports
face
finishing
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.)
Expired
Application number
GB8630763A
Other versions
GB2184766A (en
GB8630763D0 (en
Inventor
Friedrich Grawe
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.)
Bergwerksverband GmbH
Original Assignee
Bergwerksverband GmbH
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 Bergwerksverband GmbH filed Critical Bergwerksverband GmbH
Publication of GB8630763D0 publication Critical patent/GB8630763D0/en
Publication of GB2184766A publication Critical patent/GB2184766A/en
Application granted granted Critical
Publication of GB2184766B publication Critical patent/GB2184766B/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
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
    • E21D23/26—Hydraulic or pneumatic control

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)
  • Fluid-Pressure Circuits (AREA)
  • Fluid-Driven Valves (AREA)
  • Scissors And Nippers (AREA)
  • Harvesting Machines For Specific Crops (AREA)
GB8630763A 1985-12-28 1986-12-23 Finishing control for face supports Expired GB2184766B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853546278 DE3546278C1 (en) 1985-12-28 1985-12-28 Repositioning control for longwall construction

Publications (3)

Publication Number Publication Date
GB8630763D0 GB8630763D0 (en) 1987-02-04
GB2184766A GB2184766A (en) 1987-07-01
GB2184766B true GB2184766B (en) 1989-03-30

Family

ID=6289659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8630763A Expired GB2184766B (en) 1985-12-28 1986-12-23 Finishing control for face supports

Country Status (3)

Country Link
DE (1) DE3546278C1 (en)
FR (1) FR2592428B1 (en)
GB (1) GB2184766B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103615275A (en) * 2013-12-02 2014-03-05 中煤北京煤矿机械有限责任公司 Top coal caving hydraulic support and special linkage control combination valve for same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1194139A (en) * 1967-10-21 1970-06-10 Gewerk Eisenhuette Westfalia Improvements in Hydraulically-Operated Supporting Devices for Mines
GB2030626A (en) * 1978-07-12 1980-04-10 Bergwerksverband Gmbh Operating a Powered Support
GB2042035A (en) * 1979-02-06 1980-09-17 Fletcher Sutcliffe Wild Ltd Prop control system
US4226558A (en) * 1979-02-16 1980-10-07 Fletcher Sutcliffe Wild Limited Control system
GB2047316A (en) * 1979-04-12 1980-11-26 Gewerk Eisenhuette Westfalia Improvements in hydraulic control apparatus for controlling the operation of mine roof support props
GB2101662A (en) * 1981-07-16 1983-01-19 Dowty Mining Equipment Ltd Hydraulically-operated devices
GB2116618A (en) * 1982-03-06 1983-09-28 Dowty Mining Equipment Ltd Mine roof supports
GB2167109A (en) * 1984-11-14 1986-05-21 Fletcher Sutcliffe Wild Ltd Control system and valve arrangement for multi-leg mine roof supports

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123278C1 (en) * 1981-06-12 1982-12-16 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Control for a hydraulic prop of a self-advancing support assembly

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1194139A (en) * 1967-10-21 1970-06-10 Gewerk Eisenhuette Westfalia Improvements in Hydraulically-Operated Supporting Devices for Mines
GB2030626A (en) * 1978-07-12 1980-04-10 Bergwerksverband Gmbh Operating a Powered Support
GB2042035A (en) * 1979-02-06 1980-09-17 Fletcher Sutcliffe Wild Ltd Prop control system
US4226558A (en) * 1979-02-16 1980-10-07 Fletcher Sutcliffe Wild Limited Control system
GB2047316A (en) * 1979-04-12 1980-11-26 Gewerk Eisenhuette Westfalia Improvements in hydraulic control apparatus for controlling the operation of mine roof support props
GB2096223A (en) * 1979-04-12 1982-10-13 Gewerk Eisenhuette Westfalia Improvements in hydraulic control apparatus for controlling the operation of mine roof support props
GB2101662A (en) * 1981-07-16 1983-01-19 Dowty Mining Equipment Ltd Hydraulically-operated devices
GB2116618A (en) * 1982-03-06 1983-09-28 Dowty Mining Equipment Ltd Mine roof supports
GB2167109A (en) * 1984-11-14 1986-05-21 Fletcher Sutcliffe Wild Ltd Control system and valve arrangement for multi-leg mine roof supports

Also Published As

Publication number Publication date
GB2184766A (en) 1987-07-01
GB8630763D0 (en) 1987-02-04
DE3546278C1 (en) 1987-07-02
FR2592428A1 (en) 1987-07-03
FR2592428B1 (en) 1989-03-10

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Legal Events

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