BE721791A - - Google Patents

Info

Publication number
BE721791A
BE721791A BE721791DA BE721791A BE 721791 A BE721791 A BE 721791A BE 721791D A BE721791D A BE 721791DA BE 721791 A BE721791 A BE 721791A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE721791A publication Critical patent/BE721791A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/02—Propulsion of machines for slitting or completely freeing the mineral from the seam by means on the machine exerting a thrust against fixed supports

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)
  • Earth Drilling (AREA)
  • Crushing And Grinding (AREA)
BE721791D 1967-10-27 1968-10-03 BE721791A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR126239 1967-10-27

Publications (1)

Publication Number Publication Date
BE721791A true BE721791A (enrdf_load_stackoverflow) 1969-04-03

Family

ID=8640905

Family Applications (1)

Application Number Title Priority Date Filing Date
BE721791D BE721791A (enrdf_load_stackoverflow) 1967-10-27 1968-10-03

Country Status (6)

Country Link
US (1) US3537754A (enrdf_load_stackoverflow)
BE (1) BE721791A (enrdf_load_stackoverflow)
CA (1) CA918688A (enrdf_load_stackoverflow)
DE (2) DE1805341A1 (enrdf_load_stackoverflow)
FR (1) FR1548671A (enrdf_load_stackoverflow)
GB (1) GB1222229A (enrdf_load_stackoverflow)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1291427A (en) * 1970-05-15 1972-10-04 Coal Industry Patents Ltd Haulage apparatus for a mining machine
GB1352543A (en) * 1971-05-22 1974-05-08 Pitcraft Ltd Mineral mining installations
US3871277A (en) * 1974-02-25 1975-03-18 Robert Benjamin Bolton Tracked walking gear
FR2266657B1 (enrdf_load_stackoverflow) 1974-04-08 1977-09-30 Charbonnages De France
GB1529516A (en) * 1976-04-23 1978-10-25 Dresser Europe Sa Mining machine
FR2356808A1 (fr) * 1976-07-02 1978-01-27 Gp Konstruk Systeme d'avance d'une abatteuse-chargeuse
FR2372314A1 (fr) * 1976-11-26 1978-06-23 Charbonnages De France Machine de predecoupage d'une saignee autour d'un front d'abattage
GB1579484A (en) * 1977-03-15 1980-11-19 Coal Industry Patents Ltd Engagement devices
DE2855641A1 (de) * 1978-12-22 1980-07-10 Beukenberg Maschf Schreitwerk fuer eine gewinnungsmaschine
GB2126983A (en) * 1982-09-07 1984-04-04 Charles Hoyle A jack system
SU1209850A1 (ru) * 1983-01-11 1986-02-07 Государственный проектно-конструкторский и экспериментальный институт угольного машиностроения "Гипроуглемаш" Бесцепна система подачи выемочного комбайна
GB2150913A (en) * 1983-08-09 1985-07-10 Hugh Kane Self propelled carriage
GB8905202D0 (en) * 1989-03-08 1989-04-19 Qualter Hall & Co Ltd Power operated device
RU2234601C2 (ru) * 2002-11-05 2004-08-20 Открытое акционерное общество "Подмосковный научно-исследовательский и проектно-конструкторский угольный институт" Очистной комбайн

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US850018A (en) * 1907-02-07 1907-04-09 Cornelius Kohlmyer Motor-vehicle.
US2391657A (en) * 1944-03-21 1945-12-25 Tavelin Jacob Erhard Train booster
US2581052A (en) * 1946-03-25 1952-01-01 Mavor & Coulson Ltd Haulage apparatus for mining machines

Also Published As

Publication number Publication date
CA918688A (en) 1973-01-09
GB1222229A (en) 1971-02-10
DE1805341A1 (de) 1969-05-14
US3537754A (en) 1970-11-03
DE1805339A1 (de) 1969-07-10
FR1548671A (enrdf_load_stackoverflow) 1968-12-06

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CHARBONNAGES DE FRANCE

Effective date: 19851031