GB1377455A - Ram device for sliding over a face conveyor and a getting machine guided along the face side of the conveyor - Google Patents

Ram device for sliding over a face conveyor and a getting machine guided along the face side of the conveyor

Info

Publication number
GB1377455A
GB1377455A GB1885773A GB1885773A GB1377455A GB 1377455 A GB1377455 A GB 1377455A GB 1885773 A GB1885773 A GB 1885773A GB 1885773 A GB1885773 A GB 1885773A GB 1377455 A GB1377455 A GB 1377455A
Authority
GB
United Kingdom
Prior art keywords
conveyor
line
plunger
face
valve
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
GB1885773A
Other languages
English (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.)
Kloeckner Werke AG
Original Assignee
Kloeckner Werke AG
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 Kloeckner Werke AG filed Critical Kloeckner Werke AG
Publication of GB1377455A publication Critical patent/GB1377455A/en
Expired 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
    • E21C35/08—Guiding the machine
    • E21C35/12—Guiding the machine along a conveyor for the cut material
    • E21C35/14—Equipment for pressing the conveyor towards the working face
    • 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
    • E21D23/006—Mine 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
    • E21D23/0073—Mine 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 with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
    • E21F13/086—Armoured conveyors 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)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
  • Jigging Conveyors (AREA)
GB1885773A 1972-04-26 1973-04-18 Ram device for sliding over a face conveyor and a getting machine guided along the face side of the conveyor Expired GB1377455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2220452A DE2220452C3 (de) 1972-04-26 1972-04-26 Rückzylinder für Strebförderer mit einer eingebauten Dosiervorrichtung zur Hubbegrenzung

Publications (1)

Publication Number Publication Date
GB1377455A true GB1377455A (en) 1974-12-18

Family

ID=5843326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1885773A Expired GB1377455A (en) 1972-04-26 1973-04-18 Ram device for sliding over a face conveyor and a getting machine guided along the face side of the conveyor

Country Status (4)

Country Link
US (1) US3857246A (US07709020-20100504-C00041.png)
DE (1) DE2220452C3 (US07709020-20100504-C00041.png)
FR (1) FR2181878B1 (US07709020-20100504-C00041.png)
GB (1) GB1377455A (US07709020-20100504-C00041.png)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2807431C2 (de) * 1978-02-22 1986-10-23 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Steuereinrichtung für die mit einem hydraulischen Arbeitsmedium beaufschlagbaren Verbraucher eines Ausbaugestells im untertägigen Grubenausbau
DE2924380A1 (de) * 1979-06-16 1981-01-08 Gewerk Eisenhuette Westfalia Hubbegrenzungsvorrichtung fuer schubkolbengetriebe, insbesondere fuer schreitund rueckzylinder fuer das ruecken eines foerderers und/oder eines schreitausbaus in bergbau-untertagebetrieben
DE8318615U1 (de) * 1983-06-28 1983-11-03 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Richtzylinder fuer den schildausbau
AT406600B (de) * 1998-05-29 2000-06-26 Hygrama Ag Arbeitszylinder
US10914170B2 (en) 2018-10-29 2021-02-09 Joy Global Underground Mining Llc Roof support connector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2163982A (en) * 1935-03-11 1939-06-27 Mereier Jean Fluid-operated jack
US2186266A (en) * 1936-08-20 1940-01-09 Onions John Henry Shock absorber for aircraft
US2623502A (en) * 1947-06-12 1952-12-30 Fairey Aviat Co Ltd Aircraft control system with fluid operated holding device
US2789712A (en) * 1953-07-31 1957-04-23 Clark Equipment Co Positioning system for tractor shoveles and the like

Also Published As

Publication number Publication date
DE2220452B2 (de) 1979-07-19
FR2181878B1 (US07709020-20100504-C00041.png) 1975-12-26
DE2220452C3 (de) 1980-03-20
US3857246A (en) 1974-12-31
FR2181878A1 (US07709020-20100504-C00041.png) 1973-12-07
DE2220452A1 (de) 1973-11-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee