FR2121683B1 - - Google Patents

Info

Publication number
FR2121683B1
FR2121683B1 FR7200540A FR7200540A FR2121683B1 FR 2121683 B1 FR2121683 B1 FR 2121683B1 FR 7200540 A FR7200540 A FR 7200540A FR 7200540 A FR7200540 A FR 7200540A FR 2121683 B1 FR2121683 B1 FR 2121683B1
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
FR7200540A
Other languages
French (fr)
Other versions
FR2121683A1 (OSRAM
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 FR2121683A1 publication Critical patent/FR2121683A1/fr
Application granted granted Critical
Publication of FR2121683B1 publication Critical patent/FR2121683B1/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

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Loading Or Unloading Of Vehicles (AREA)
FR7200540A 1971-01-08 1972-01-07 Expired FR2121683B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB105371 1971-01-08

Publications (2)

Publication Number Publication Date
FR2121683A1 FR2121683A1 (OSRAM) 1972-08-25
FR2121683B1 true FR2121683B1 (OSRAM) 1975-10-24

Family

ID=9715348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7200540A Expired FR2121683B1 (OSRAM) 1971-01-08 1972-01-07

Country Status (4)

Country Link
DE (1) DE2200175A1 (OSRAM)
FR (1) FR2121683B1 (OSRAM)
GB (1) GB1323043A (OSRAM)
PL (1) PL83089B1 (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE827639C (de) * 1944-06-11 1952-01-10 Kloeckner Werke A G I Liqu Ein- und Doppelkettenkratzer-Strebfoerderer fuer unterbrochene und laufende Foerderung

Also Published As

Publication number Publication date
DE2200175A1 (de) 1972-07-27
GB1323043A (en) 1973-07-11
FR2121683A1 (OSRAM) 1972-08-25
PL83089B1 (OSRAM) 1975-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse