ZA79695B - Mineral-cutting machines - Google Patents

Mineral-cutting machines

Info

Publication number
ZA79695B
ZA79695B ZA79695A ZA79695A ZA79695B ZA 79695 B ZA79695 B ZA 79695B ZA 79695 A ZA79695 A ZA 79695A ZA 79695 A ZA79695 A ZA 79695A ZA 79695 B ZA79695 B ZA 79695B
Authority
ZA
South Africa
Prior art keywords
mineral
cutting machines
machines
cutting
Prior art date
Application number
ZA79695A
Other languages
English (en)
Inventor
T Barr
Original Assignee
Dowty Meco 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 Meco Ltd filed Critical Dowty Meco Ltd
Publication of ZA79695B publication Critical patent/ZA79695B/xx

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
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/10—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for slewing parts of the machines

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)
  • Shearing Machines (AREA)
  • Disintegrating Or Milling (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Accessories And Tools For Shearing Machines (AREA)
ZA79695A 1978-02-15 1979-02-15 Mineral-cutting machines ZA79695B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB594878 1978-02-15

Publications (1)

Publication Number Publication Date
ZA79695B true ZA79695B (en) 1980-02-27

Family

ID=9805634

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA79695A ZA79695B (en) 1978-02-15 1979-02-15 Mineral-cutting machines

Country Status (6)

Country Link
US (1) US4223950A (xx)
AU (1) AU4422779A (xx)
DE (1) DE2905460A1 (xx)
FR (1) FR2417630A1 (xx)
GB (1) GB2028895A (xx)
ZA (1) ZA79695B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2927919C2 (de) * 1979-07-11 1983-03-24 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Tragarm für Walzenschrämmaschinen
DE3343650C2 (de) * 1983-12-02 1986-10-23 Gebr. Eickhoff Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Vorrichtung zum Vortreiben von Strecken oder zum Auffahren von Aufhauen im Untertagebergbau
FR2590930B1 (fr) * 1985-11-29 1988-01-22 Douaisis Sabes Stephanoise Haveuse d'abattage minier
DE10003486C1 (de) * 2000-01-27 2001-07-26 Wacker Werke Kg Handgeführtes Arbeitsgerät mit automatischer Drehzahleinstellung
DE102018103527A1 (de) * 2018-02-16 2019-08-22 Lloyd Dynamowerke Gmbh Walzenschrämlader sowie eine Schrämwalze eines Walzenschrämladers
US11761333B2 (en) * 2020-11-16 2023-09-19 Joy Global Underground Mining Llc Cutting assembly for longwall mining system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418023A (en) * 1965-11-18 1968-12-24 Webster Machine Dev Ltd Longwall coal-cutting machine
DE2425828C3 (de) * 1974-05-28 1979-05-17 Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum Doppelwalzenschrämmaschine für mächtige Flöze
JPS524403A (en) * 1975-06-30 1977-01-13 Taiheiyo Eng Coal mining machine

Also Published As

Publication number Publication date
FR2417630A1 (fr) 1979-09-14
DE2905460A1 (de) 1979-08-16
US4223950A (en) 1980-09-23
GB2028895A (en) 1980-03-12
AU4422779A (en) 1979-08-23

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