FR883942A - Poteau de mine en fer - Google Patents

Poteau de mine en fer

Info

Publication number
FR883942A
FR883942A FR883942DA FR883942A FR 883942 A FR883942 A FR 883942A FR 883942D A FR883942D A FR 883942DA FR 883942 A FR883942 A FR 883942A
Authority
FR
France
Prior art keywords
pole
iron mine
mine
iron
mine pole
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.)
F W MOLL SOHNE
Original Assignee
F W MOLL SOHNE
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 F W MOLL SOHNE filed Critical F W MOLL SOHNE
Application granted granted Critical
Publication of FR883942A publication Critical patent/FR883942A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/32—Telescopic props with parts held relatively to each other by friction or gripping by a deformable collar or clamping means applied symmetrically inside a locking ring

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
FR883942D 1939-05-26 1942-07-07 Poteau de mine en fer Expired FR883942A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE883942X 1939-05-26

Publications (1)

Publication Number Publication Date
FR883942A true FR883942A (fr) 1943-07-26

Family

ID=6832234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR883942D Expired FR883942A (fr) 1939-05-26 1942-07-07 Poteau de mine en fer

Country Status (1)

Country Link
FR (1) FR883942A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169879B (de) * 1957-12-06 1964-05-14 Hermann Schwarz Kommanditgesel Klemmringschloss fuer ein zweiteiliges Stuetzelement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169879B (de) * 1957-12-06 1964-05-14 Hermann Schwarz Kommanditgesel Klemmringschloss fuer ein zweiteiliges Stuetzelement

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