GB1090594A - Roof supports suitable for use in mines - Google Patents

Roof supports suitable for use in mines

Info

Publication number
GB1090594A
GB1090594A GB38978/64A GB3897864A GB1090594A GB 1090594 A GB1090594 A GB 1090594A GB 38978/64 A GB38978/64 A GB 38978/64A GB 3897864 A GB3897864 A GB 3897864A GB 1090594 A GB1090594 A GB 1090594A
Authority
GB
United Kingdom
Prior art keywords
roof
ring
projection
blocks
mines
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
GB38978/64A
Inventor
George Herbert Dowty
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment 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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB38978/64A priority Critical patent/GB1090594A/en
Priority to US482577A priority patent/US3323771A/en
Publication of GB1090594A publication Critical patent/GB1090594A/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
    • E21D23/04—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
    • E21D23/049—Connecting devices between the head or foot of a prop and the cap or base of the roof support
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • 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
    • E21D23/0418—Positioning devices and stabilizing means for the props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Building Environments (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

1,090,594. Mine roof supports. DOWTY MINING EQUIPMENT Ltd. Aug. 24, 1965 [Sept. 24, 1964], No. 38978/64. Heading E1E. In a roof support a roof or floor member 1 is engaged at one end by an open-ended member 4, 7 in which a prop 3 can be slidably received so that its end engages the roof or floor member 1, the member 7 has (a) laterally-extending projection(s) 8 and there are rubber blocks 11 between the member 1 and the projection(s) 8 acting substantially parallel to the length of the member 4, 7. The blocks 11 are between a ring 9 on the projection(s) 8 and a ring 12 secured to the member 1, all being joined by devices 16 to form a subassembly. For blocks 11 there may be one ring or (a) spring(s) may be included.
GB38978/64A 1964-09-24 1964-09-24 Roof supports suitable for use in mines Expired GB1090594A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB38978/64A GB1090594A (en) 1964-09-24 1964-09-24 Roof supports suitable for use in mines
US482577A US3323771A (en) 1964-09-24 1965-08-25 Roof support suitable for use in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38978/64A GB1090594A (en) 1964-09-24 1964-09-24 Roof supports suitable for use in mines

Publications (1)

Publication Number Publication Date
GB1090594A true GB1090594A (en) 1967-11-08

Family

ID=10406875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38978/64A Expired GB1090594A (en) 1964-09-24 1964-09-24 Roof supports suitable for use in mines

Country Status (2)

Country Link
US (1) US3323771A (en)
GB (1) GB1090594A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS166226B2 (en) * 1967-04-28 1976-02-27
DE2644649C3 (en) * 1976-10-02 1986-11-13 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Shield support frame
DE2702750C3 (en) * 1977-01-24 1979-08-16 Josef 5138 Heinsberg Krings Slide shoe for the tensioning device of a Gnfcenverbmivorrichtung
US5538364A (en) * 1995-02-14 1996-07-23 Huntsman; Steven D. Yieldable mine post having a double ball and socket configuration

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB785470A (en) * 1955-02-14 1957-10-30 Dobson Ltd W E & F Improvements in or relating to load supporting props
DE1034568B (en) * 1957-04-16 1958-07-24 Hoesch Werke Ag Punch head bearing
GB932312A (en) * 1961-03-01 1963-07-24 George Fletcher And Company Lt Improvements in and relating to mine roof supports or pit props
FR1339342A (en) * 1962-11-19 1963-10-04 Dobson Ltd W E & F Improvements to or relating to ceiling supports in mines
GB1091601A (en) * 1964-01-24 1967-11-22 Dowty Mining Equipment Ltd Roof supports suitable for use in a mine

Also Published As

Publication number Publication date
US3323771A (en) 1967-06-06

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