FR1008757A - Device for laying iron mine props - Google Patents

Device for laying iron mine props

Info

Publication number
FR1008757A
FR1008757A FR1008757DA FR1008757A FR 1008757 A FR1008757 A FR 1008757A FR 1008757D A FR1008757D A FR 1008757DA FR 1008757 A FR1008757 A FR 1008757A
Authority
FR
France
Prior art keywords
iron mine
laying iron
mine props
props
laying
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
French (fr)
Inventor
Hans Gerlach
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 filed Critical
Application granted granted Critical
Publication of FR1008757A publication Critical patent/FR1008757A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks
    • E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
FR1008757D 1948-05-21 1948-05-21 Device for laying iron mine props Expired FR1008757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1008757T 1948-05-21

Publications (1)

Publication Number Publication Date
FR1008757A true FR1008757A (en) 1952-05-21

Family

ID=9567630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1008757D Expired FR1008757A (en) 1948-05-21 1948-05-21 Device for laying iron mine props

Country Status (2)

Country Link
DE (1) DE973953C (en)
FR (1) FR1008757A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE572887C (en) * 1933-03-23 Bochumer Eisen Heintzmann Device for setting two-part iron pit punches
BE386166A (en) * 1932-02-09 1932-03-31 Heinrich Toussaint

Also Published As

Publication number Publication date
DE973953C (en) 1960-07-28

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