GB1037917A - Improvements relating to roof supports for mine workings - Google Patents

Improvements relating to roof supports for mine workings

Info

Publication number
GB1037917A
GB1037917A GB2004864A GB2004864A GB1037917A GB 1037917 A GB1037917 A GB 1037917A GB 2004864 A GB2004864 A GB 2004864A GB 2004864 A GB2004864 A GB 2004864A GB 1037917 A GB1037917 A GB 1037917A
Authority
GB
United Kingdom
Prior art keywords
roof supports
improvements relating
mine workings
jan
mine
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
GB2004864A
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
Priority claimed from DEG34128A external-priority patent/DE1289805B/en
Priority claimed from DEG36367A external-priority patent/DE1290506B/en
Application filed by Individual filed Critical Individual
Publication of GB1037917A publication Critical patent/GB1037917A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052Mine 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004Mine 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
    • E21D23/0017Pile type supports
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0047Mine 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/006Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing 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)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Tents Or Canopies (AREA)

Abstract

1,037,917. Advancing mine-roof supports. K. M. GROETSCHEL. Jan. 29, 1963 [Jan. 29, 1962; Nov. 10, 1962], No. 20048/64. Divided out of 1,037,911. Heading E1E. The subject matter of the present Specification is the same as that of the parent Specification but the claims differ.
GB2004864A 1962-01-29 1963-01-29 Improvements relating to roof supports for mine workings Expired GB1037917A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG34128A DE1289805B (en) 1962-01-29 1962-01-29 Mechanically retractable face construction unit
DEG36367A DE1290506B (en) 1962-11-10 1962-11-10 Traveling extension unit

Publications (1)

Publication Number Publication Date
GB1037917A true GB1037917A (en) 1966-08-03

Family

ID=25978389

Family Applications (3)

Application Number Title Priority Date Filing Date
GB373063A Expired GB1037912A (en) 1962-01-29 1963-01-29 Improvements relating to roof supports for mine workings
GB2004864A Expired GB1037917A (en) 1962-01-29 1963-01-29 Improvements relating to roof supports for mine workings
GB2005064A Expired GB1037918A (en) 1962-01-29 1963-01-29 Improvements relating to roof supports for mine workings

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB373063A Expired GB1037912A (en) 1962-01-29 1963-01-29 Improvements relating to roof supports for mine workings

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2005064A Expired GB1037918A (en) 1962-01-29 1963-01-29 Improvements relating to roof supports for mine workings

Country Status (1)

Country Link
GB (3) GB1037912A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461095A1 (en) * 1979-07-06 1981-01-30 Charbonnages De France SLIDING CONTINUOUS SUPPORT PORTION WITH LARGE PASSENGER OPENING AND SLIDING HAT
HU179856B (en) * 1980-05-06 1982-12-28 Varpalotai Szenbanyak Apparatus for nining particularly expolating thick seams
US11040512B2 (en) 2017-11-08 2021-06-22 Northrop Grumman Systems Corporation Composite structures, forming apparatuses and related systems and methods

Also Published As

Publication number Publication date
GB1037918A (en) 1966-08-03
GB1037912A (en) 1966-08-03

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