FR2237824B1 - - Google Patents

Info

Publication number
FR2237824B1
FR2237824B1 FR7424563A FR7424563A FR2237824B1 FR 2237824 B1 FR2237824 B1 FR 2237824B1 FR 7424563 A FR7424563 A FR 7424563A FR 7424563 A FR7424563 A FR 7424563A FR 2237824 B1 FR2237824 B1 FR 2237824B1
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
FR7424563A
Other versions
FR2237824A1 (fr
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 FR2237824A1 publication Critical patent/FR2237824A1/fr
Application granted granted Critical
Publication of FR2237824B1 publication Critical patent/FR2237824B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/06—Filling-up mechanically
    • 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
    • E21F13/06—Transport of mined material at or adjacent to the working face

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)
  • Control Of Conveyors (AREA)
  • Fluid-Pressure Circuits (AREA)
FR7424563A 1973-07-17 1974-07-15 Expired FR2237824B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3387173A GB1452913A (en) 1973-07-17 1973-07-17 Conveying apparatus

Publications (2)

Publication Number Publication Date
FR2237824A1 FR2237824A1 (fr) 1975-02-14
FR2237824B1 true FR2237824B1 (fr) 1978-01-20

Family

ID=10358530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7424563A Expired FR2237824B1 (fr) 1973-07-17 1974-07-15

Country Status (4)

Country Link
BE (1) BE817712A (fr)
DE (1) DE2430942C3 (fr)
FR (1) FR2237824B1 (fr)
GB (1) GB1452913A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1502284A (en) 1974-11-06 1978-03-01 Gullick Dobson Ltd Packing of debris in mines
GB1489836A (en) * 1975-03-25 1977-10-26 Coal Ind Conveying apparatus

Also Published As

Publication number Publication date
DE2430942C3 (de) 1979-08-23
BE817712A (fr) 1975-01-16
DE2430942B2 (de) 1978-12-21
DE2430942A1 (de) 1975-02-06
FR2237824A1 (fr) 1975-02-14
GB1452913A (en) 1976-10-20

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Legal Events

Date Code Title Description
ST Notification of lapse