DE2749409A1 - Gewinnungsmaschine fuer den bergbau - Google Patents

Gewinnungsmaschine fuer den bergbau

Info

Publication number
DE2749409A1
DE2749409A1 DE19772749409 DE2749409A DE2749409A1 DE 2749409 A1 DE2749409 A1 DE 2749409A1 DE 19772749409 DE19772749409 DE 19772749409 DE 2749409 A DE2749409 A DE 2749409A DE 2749409 A1 DE2749409 A1 DE 2749409A1
Authority
DE
Germany
Prior art keywords
plug
extraction machine
machine according
tubular component
hollow shaft
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Withdrawn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
DE19772749409
Other languages
German (de)
English (en)
Inventor
Richard Eric Farman
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Publication of DE2749409A1 publication Critical patent/DE2749409A1/de
Withdrawn legal-status Critical Current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
    • 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
    • E21C35/23—Distribution of spraying-fluids in rotating cutter-heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
DE19772749409 1976-11-16 1977-11-04 Gewinnungsmaschine fuer den bergbau Withdrawn DE2749409A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47646/76A GB1550492A (en) 1976-11-16 1976-11-16 Mineral mining machines

Publications (1)

Publication Number Publication Date
DE2749409A1 true DE2749409A1 (de) 1978-05-18

Family

ID=10445764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772749409 Withdrawn DE2749409A1 (de) 1976-11-16 1977-11-04 Gewinnungsmaschine fuer den bergbau

Country Status (5)

Country Link
US (1) US4154482A (enExample)
AU (1) AU506822B2 (enExample)
DE (1) DE2749409A1 (enExample)
FR (1) FR2370850A1 (enExample)
GB (1) GB1550492A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558525A1 (fr) * 1984-01-20 1985-07-26 Coal Industry Patents Ltd Circuit d'alimentation en fluide pour tete porte-outils rotative de haveuse mecanique
US4696518A (en) * 1985-01-21 1987-09-29 Voest-Alpine Aktiengesellschaft Cutting machine

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3032204C2 (de) * 1980-08-27 1985-10-31 Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Schrämwalze für eine Walzenschrämmaschine
US4465318A (en) * 1981-10-13 1984-08-14 Coal Industry (Patents) Limited Rotary cutting head for mining machines with means for inducing airflow and sensing thereof
FR2573474B1 (fr) * 1984-11-20 1986-12-26 Lorraine Houilleres Dispositif d'arrosage sectoriel pour l'abattage du charbon
SE452495B (sv) * 1985-06-13 1987-11-30 Sandvik Ab Anordning for vetsketillforsel till ett verktyg for brytning av fasta material
US5047614A (en) * 1989-01-23 1991-09-10 Bianco James S Method and apparatus for computer-aided shopping
GB0613662D0 (en) * 2006-07-10 2006-08-16 Rotork Controls Improvements to valve actuators

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3102718A (en) * 1960-07-19 1963-09-03 Galion Jeffrey Mfg Co Mining machine cutting and breaking arm having sensing means
GB1234675A (enExample) * 1969-03-04 1971-06-09
GB1336791A (en) * 1971-01-01 1973-11-07 Coal Industry Patents Ltd Dust suppression means for mining machines
GB1452862A (en) * 1974-01-18 1976-10-20 Coal Industry Patents Ltd Apparatus for ventilating cutter heads of mineral mining machines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2558525A1 (fr) * 1984-01-20 1985-07-26 Coal Industry Patents Ltd Circuit d'alimentation en fluide pour tete porte-outils rotative de haveuse mecanique
US4696518A (en) * 1985-01-21 1987-09-29 Voest-Alpine Aktiengesellschaft Cutting machine

Also Published As

Publication number Publication date
FR2370850B1 (enExample) 1983-07-29
GB1550492A (en) 1979-08-15
AU506822B2 (en) 1980-01-24
AU3044777A (en) 1979-05-17
US4154482A (en) 1979-05-15
FR2370850A1 (fr) 1978-06-09

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination