OA00407A - Centering device which can be used in particular for centering support elements. - Google Patents

Centering device which can be used in particular for centering support elements.

Info

Publication number
OA00407A
OA00407A OA50483A OA50483A OA00407A OA 00407 A OA00407 A OA 00407A OA 50483 A OA50483 A OA 50483A OA 50483 A OA50483 A OA 50483A OA 00407 A OA00407 A OA 00407A
Authority
OA
OAPI
Prior art keywords
centering
support elements
centering device
centering support
elements
Prior art date
Application number
OA50483A
Other languages
French (fr)
Inventor
Michel Meriaux
Michel Lablache-Combier
Original Assignee
Mines Domaniales De Potasse
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 Mines Domaniales De Potasse filed Critical Mines Domaniales De Potasse
Publication of OA00407A publication Critical patent/OA00407A/en

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
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/545—Details of the ends of props hydraulic or pneumatic
    • 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
    • E21D15/48—Chocks or the like
    • E21D15/486—Chocks or the like with essential hydraulic or pneumatic details
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0418—Positioning devices and stabilizing means for the props
OA50483A 1962-03-20 1964-10-23 Centering device which can be used in particular for centering support elements. OA00407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR891572A FR1325740A (en) 1962-03-20 1962-03-20 Centering device usable in particular for centering support elements

Publications (1)

Publication Number Publication Date
OA00407A true OA00407A (en) 1966-05-15

Family

ID=8774884

Family Applications (1)

Application Number Title Priority Date Filing Date
OA50483A OA00407A (en) 1962-03-20 1964-10-23 Centering device which can be used in particular for centering support elements.

Country Status (6)

Country Link
US (1) US3184206A (en)
FR (1) FR1325740A (en)
GB (1) GB980658A (en)
LU (1) LU43357A1 (en)
NL (1) NL290436A (en)
OA (1) OA00407A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1289506C2 (en) * 1963-08-29 1974-03-28 HYDRAULIC SUPPORT ELEMENT
US5779210A (en) * 1996-02-09 1998-07-14 Canson; Barney Decorative clay pot hangers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1070311A (en) * 1953-02-04 1954-07-22 Rech S Ind Et Minieres Soc Et Friction lock for mine prop
US2985419A (en) * 1957-04-13 1961-05-23 Mining Engineering Co Ltd Roof supports for mine workings
DE1034568B (en) * 1957-04-16 1958-07-24 Hoesch Werke Ag Punch head bearing

Also Published As

Publication number Publication date
FR1325740A (en) 1963-05-03
US3184206A (en) 1965-05-18
NL290436A (en)
GB980658A (en) 1965-01-13
LU43357A1 (en) 1963-05-15

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