FR1325740A - Centering device usable in particular for centering support elements - Google Patents

Centering device usable in particular for centering support elements

Info

Publication number
FR1325740A
FR1325740A FR891572A FR891572A FR1325740A FR 1325740 A FR1325740 A FR 1325740A FR 891572 A FR891572 A FR 891572A FR 891572 A FR891572 A FR 891572A FR 1325740 A FR1325740 A FR 1325740A
Authority
FR
France
Prior art keywords
centering
support elements
device usable
centering device
centering support
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
FR891572A
Other languages
French (fr)
Inventor
Michel Meriaux E Lablache-Comb
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.)
MINES DOMANIALES DE POTASSE
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
Priority to NL290436D priority Critical patent/NL290436A/xx
Application filed by MINES DOMANIALES DE POTASSE filed Critical MINES DOMANIALES DE POTASSE
Priority to FR891572A priority patent/FR1325740A/en
Priority to LU43357D priority patent/LU43357A1/xx
Priority to US265706A priority patent/US3184206A/en
Priority to GB10793/63A priority patent/GB980658A/en
Application granted granted Critical
Publication of FR1325740A publication Critical patent/FR1325740A/en
Priority to OA50483A priority patent/OA00407A/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
    • E21D15/50—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
FR891572A 1962-03-20 1962-03-20 Centering device usable in particular for centering support elements Expired FR1325740A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL290436D NL290436A (en) 1962-03-20
FR891572A FR1325740A (en) 1962-03-20 1962-03-20 Centering device usable in particular for centering support elements
LU43357D LU43357A1 (en) 1962-03-20 1963-03-15
US265706A US3184206A (en) 1962-03-20 1963-03-18 Support units especially for mine roof
GB10793/63A GB980658A (en) 1962-03-20 1963-03-19 Support unit, more particularly for use in mine workings
OA50483A OA00407A (en) 1962-03-20 1964-10-23 Centering device which can be used in particular for centering support elements.

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
FR1325740A true FR1325740A (en) 1963-05-03

Family

ID=8774884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR891572A Expired FR1325740A (en) 1962-03-20 1962-03-20 Centering device usable 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
OA00407A (en) 1966-05-15
GB980658A (en) 1965-01-13
US3184206A (en) 1965-05-18
NL290436A (en)
LU43357A1 (en) 1963-05-15

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