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GB1049431A - Improvements in or relating to mine roof supports - Google Patents

Improvements in or relating to mine roof supports

Info

Publication number
GB1049431A
GB1049431A GB509/65A GB50965A GB1049431A GB 1049431 A GB1049431 A GB 1049431A GB 509/65 A GB509/65 A GB 509/65A GB 50965 A GB50965 A GB 50965A GB 1049431 A GB1049431 A GB 1049431A
Authority
GB
United Kingdom
Prior art keywords
base
mine roof
units
roof supports
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.)
Expired
Application number
GB509/65A
Inventor
Jack Wallwork Bell
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.)
Gullick Ltd
Original Assignee
Gullick Ltd
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 Gullick Ltd filed Critical Gullick Ltd
Priority to GB509/65A priority Critical patent/GB1049431A/en
Priority to US514830A priority patent/US3392533A/en
Priority to FR44893A priority patent/FR1462846A/en
Publication of GB1049431A publication Critical patent/GB1049431A/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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • 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
    • E21D23/0017—Pile type supports
    • 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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices

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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Framework For Endless Conveyors (AREA)

Abstract

1,049,431. Advancing mine roof supports. GULLICK Ltd. Aug. 12, 1965 [Jan. 6, 1965], No. 509/65. Heading E1E. In a self-advancing mine roof support, which may be advanced by an hydraulic ram, comprising forward and rear support units 11, 10 respectively and a roof-bar structure 23, 14 or structures on upper parts of said units 11, 10, the unit 11 has a base 19 with a plate extension 19a for pivotal attachment at 25 to the unit 10 to cover a substantial area of the floor between the units, and at least one extensible prop 21 may be pivotally mounted on the base 19 for angular movement (controlled by a spring 22). In the form shown to connect the ram 15 to a conveyer C sliding on the base 19 is a flat and wide relay bar 16, over which extends an arch which is straddled by or forms the pivotal mounting.
GB509/65A 1965-01-06 1965-01-06 Improvements in or relating to mine roof supports Expired GB1049431A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB509/65A GB1049431A (en) 1965-01-06 1965-01-06 Improvements in or relating to mine roof supports
US514830A US3392533A (en) 1965-01-06 1965-12-20 Mine roof supports
FR44893A FR1462846A (en) 1965-01-06 1966-01-05 Mine support comprising two units linked together in an articulated manner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB509/65A GB1049431A (en) 1965-01-06 1965-01-06 Improvements in or relating to mine roof supports

Publications (1)

Publication Number Publication Date
GB1049431A true GB1049431A (en) 1966-11-30

Family

ID=9705608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB509/65A Expired GB1049431A (en) 1965-01-06 1965-01-06 Improvements in or relating to mine roof supports

Country Status (3)

Country Link
US (1) US3392533A (en)
FR (1) FR1462846A (en)
GB (1) GB1049431A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208404A (en) * 1987-07-04 1989-03-30 Dowty Mining Equipment Ltd Roof supports with pivotal, lockable toe

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576110A (en) * 1969-05-14 1971-04-27 Gewerk Eisenhuette Westfalia Movable support assemblies for mineral mines
DE2622887C3 (en) * 1976-05-21 1981-04-30 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Pivoting a stamp in the horizontal runner of a shield support frame
DE19528378C1 (en) * 1995-08-02 1996-11-28 Dbt Gmbh Hydraulic shield extension frame for long-fronted coal face structure

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910282A (en) * 1957-07-15 1959-10-27 Dowty Mining Equipment Ltd Mine roof support devices
GB866108A (en) * 1958-03-21 1961-04-26 Gullick Ltd Improvements in or relating to roof supporting appliances for mines
US3097829A (en) * 1959-01-16 1963-07-16 Gullick Ltd Roof support in mines
GB950066A (en) * 1960-02-18 1964-02-19 Gullick Ltd Improvements in or relating to advancing roof supporting means for mines
DE1143771B (en) * 1960-02-24 1963-02-21 Hemscheidt Maschf Hermann Migrating hydraulic longwall construction for steep storage with floating ground
DE1155077B (en) * 1960-12-24 1963-10-03 Rheinstahl Gmbh Wanheim Sole for migrating expansion elements
US3216202A (en) * 1962-11-09 1965-11-09 Gullick Ltd Roof supporting means for mines
GB998336A (en) * 1962-12-05 1965-07-14 Gullick Ltd Improvements in or relating to mine roof and like supports

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208404A (en) * 1987-07-04 1989-03-30 Dowty Mining Equipment Ltd Roof supports with pivotal, lockable toe
GB2208404B (en) * 1987-07-04 1991-10-16 Dowty Mining Equipment Ltd Roof supports

Also Published As

Publication number Publication date
US3392533A (en) 1968-07-16
FR1462846A (en) 1966-12-16

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