FR1386712A - Hydraulic walking support frame usable in particular in mines - Google Patents

Hydraulic walking support frame usable in particular in mines

Info

Publication number
FR1386712A
FR1386712A FR963806A FR963806A FR1386712A FR 1386712 A FR1386712 A FR 1386712A FR 963806 A FR963806 A FR 963806A FR 963806 A FR963806 A FR 963806A FR 1386712 A FR1386712 A FR 1386712A
Authority
FR
France
Prior art keywords
mines
support frame
walking support
hydraulic walking
frame usable
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
FR963806A
Other languages
French (fr)
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Priority to FR963806A priority Critical patent/FR1386712A/en
Application granted granted Critical
Publication of FR1386712A publication Critical patent/FR1386712A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
FR963806A 1964-02-14 1964-02-14 Hydraulic walking support frame usable in particular in mines Expired FR1386712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR963806A FR1386712A (en) 1964-02-14 1964-02-14 Hydraulic walking support frame usable in particular in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR963806A FR1386712A (en) 1964-02-14 1964-02-14 Hydraulic walking support frame usable in particular in mines

Publications (1)

Publication Number Publication Date
FR1386712A true FR1386712A (en) 1965-01-22

Family

ID=8823182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR963806A Expired FR1386712A (en) 1964-02-14 1964-02-14 Hydraulic walking support frame usable in particular in mines

Country Status (1)

Country Link
FR (1) FR1386712A (en)

Similar Documents

Publication Publication Date Title
BE769140R (en) CELL
BE764846A (en) SUPPORT STRUCTURE
BE766776A (en) HYDRAULIC PESON
CH510203A (en) Hydraulic system
BE603102A (en) Support frame, mobile hydraulics, usable in particular in mines
IT941119B (en) HYDRAULIC CESCIA
BE764785A (en) Electrodes
BE615491A (en) Self-advancing mobile support frame, usable in particular in mines
BE764145A (en) CONSTRUCTION DEVELOPMENTS
FR1510670A (en) Support device usable in particular in mines
FR1386712A (en) Hydraulic walking support frame usable in particular in mines
FR1406331A (en) Two-chain squeegee conveyor corridor, suitable for use in mines
CH503859A (en) Construction element
BE769082A (en) HYDRAULIC WALKING SUPPORT FRAME
BE607139A (en) Support frame, usable in particular in mines
FR1302339A (en) Mobile support usable in particular in mines
FR1486114A (en) Walking support usable in mines
BE608805A (en) Mobile support usable in particular in mines.
FR1296460A (en) Support frame, usable in particular in mines
FR1433790A (en) Hydraulic walking support frame
FR1279072A (en) Mobile hydraulic support frame, usable in particular in mines
BE766733R (en) CELL
BE750910A (en) CLAVING OF STERILS IN MINES,
BE599902A (en) Mobile hydraulic support frame, usable in particular in mines.
FR1346972A (en) Self-advancing mobile support frame, usable in particular in mines