FR2300892B3 - - Google Patents

Info

Publication number
FR2300892B3
FR2300892B3 FR7604089A FR7604089A FR2300892B3 FR 2300892 B3 FR2300892 B3 FR 2300892B3 FR 7604089 A FR7604089 A FR 7604089A FR 7604089 A FR7604089 A FR 7604089A FR 2300892 B3 FR2300892 B3 FR 2300892B3
Authority
FR
France
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
FR7604089A
Other languages
French (fr)
Other versions
FR2300892A1 (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.)
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 FR2300892A1 publication Critical patent/FR2300892A1/en
Application granted granted Critical
Publication of FR2300892B3 publication Critical patent/FR2300892B3/fr
Granted 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
    • E21C35/06—Equipment for positioning the whole machine in relation to its sub-structure
    • 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)
  • Shovels (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR7604089A 1975-02-14 1976-02-13 Bak-ripper for mines - turrent base has jacks to raise substructure working in tandem from front to rear Granted FR2300892A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB633775 1975-02-14

Publications (2)

Publication Number Publication Date
FR2300892A1 FR2300892A1 (en) 1976-09-10
FR2300892B3 true FR2300892B3 (en) 1978-11-03

Family

ID=9812652

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7604089A Granted FR2300892A1 (en) 1975-02-14 1976-02-13 Bak-ripper for mines - turrent base has jacks to raise substructure working in tandem from front to rear

Country Status (2)

Country Link
DE (1) DE2602015A1 (en)
FR (1) FR2300892A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459360B1 (en) * 1979-06-21 1986-04-18 Tim Tech Ind Minieres SYSTEM FOR EXCAVATING UNDERGROUND GALLERIES
CH660896A5 (en) * 1983-06-13 1987-05-29 Burri Ag ROADWAY BARRIER BAR.
US5087102A (en) * 1990-07-18 1992-02-11 Kiefer Heinz E Continuous mining machine

Also Published As

Publication number Publication date
DE2602015A1 (en) 1976-08-26
FR2300892A1 (en) 1976-09-10

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Legal Events

Date Code Title Description
ST Notification of lapse