FR1072475A - Appareil de projection pour matières divisées - Google Patents

Appareil de projection pour matières divisées

Info

Publication number
FR1072475A
FR1072475A FR1072475DA FR1072475A FR 1072475 A FR1072475 A FR 1072475A FR 1072475D A FR1072475D A FR 1072475DA FR 1072475 A FR1072475 A FR 1072475A
Authority
FR
France
Prior art keywords
projection device
divided materials
divided
materials
projection
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
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.)
Preparation Industrielle des Combustibles SA
Original Assignee
Preparation Industrielle des Combustibles SA
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 Preparation Industrielle des Combustibles SA filed Critical Preparation Industrielle des Combustibles SA
Application granted granted Critical
Publication of FR1072475A publication Critical patent/FR1072475A/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)
FR1072475D 1952-12-03 1952-12-03 Appareil de projection pour matières divisées Expired FR1072475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1072475T 1952-12-03

Publications (1)

Publication Number Publication Date
FR1072475A true FR1072475A (fr) 1954-09-13

Family

ID=9605641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072475D Expired FR1072475A (fr) 1952-12-03 1952-12-03 Appareil de projection pour matières divisées

Country Status (1)

Country Link
FR (1) FR1072475A (fr)

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