GB8829327D0 - Mining machinery - Google Patents

Mining machinery

Info

Publication number
GB8829327D0
GB8829327D0 GB888829327A GB8829327A GB8829327D0 GB 8829327 D0 GB8829327 D0 GB 8829327D0 GB 888829327 A GB888829327 A GB 888829327A GB 8829327 A GB8829327 A GB 8829327A GB 8829327 D0 GB8829327 D0 GB 8829327D0
Authority
GB
United Kingdom
Prior art keywords
mining machinery
mining
machinery
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.)
Withdrawn
Application number
GB888829327A
Other versions
GB2227780A (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.)
WINSTER GROUP
Original Assignee
WINSTER GROUP
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 WINSTER GROUP filed Critical WINSTER GROUP
Priority to GB8829327A priority Critical patent/GB2227780A/en
Publication of GB8829327D0 publication Critical patent/GB8829327D0/en
Publication of GB2227780A publication Critical patent/GB2227780A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/22—Equipment for preventing the formation of, or for removal of, dust
    • E21C35/223—Equipment associated with mining machines for sucking dust-laden air from the cutting area, with or without cleaning of the air
    • 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
    • E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries

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)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB8829327A 1988-12-16 1988-12-16 Roof support assembly Withdrawn GB2227780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8829327A GB2227780A (en) 1988-12-16 1988-12-16 Roof support assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8829327A GB2227780A (en) 1988-12-16 1988-12-16 Roof support assembly

Publications (2)

Publication Number Publication Date
GB8829327D0 true GB8829327D0 (en) 1989-02-01
GB2227780A GB2227780A (en) 1990-08-08

Family

ID=10648572

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8829327A Withdrawn GB2227780A (en) 1988-12-16 1988-12-16 Roof support assembly

Country Status (1)

Country Link
GB (1) GB2227780A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2019369238A1 (en) 2018-10-29 2021-05-27 Joy Global Underground Mining Llc Roof support connector

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1236029A (en) * 1968-02-09 1971-06-16 Greenside Machine Co Ltd Improvements in or relating to tunnelling or mining machines
GB1449886A (en) * 1973-03-16 1976-09-15 Coal Industry Patents Ltd Mine roof support equipment

Also Published As

Publication number Publication date
GB2227780A (en) 1990-08-08

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)