FR1415372A - Mobile height support - Google Patents

Mobile height support

Info

Publication number
FR1415372A
FR1415372A FR997100A FR997100A FR1415372A FR 1415372 A FR1415372 A FR 1415372A FR 997100 A FR997100 A FR 997100A FR 997100 A FR997100 A FR 997100A FR 1415372 A FR1415372 A FR 1415372A
Authority
FR
France
Prior art keywords
height support
mobile height
mobile
support
height
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
FR997100A
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Priority to FR997100A priority Critical patent/FR1415372A/en
Application granted granted Critical
Publication of FR1415372A publication Critical patent/FR1415372A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0017—Pile type supports
    • E21D23/0021—Pile type supports comprising two walking elements
FR997100A 1964-12-02 1964-12-02 Mobile height support Expired FR1415372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR997100A FR1415372A (en) 1964-12-02 1964-12-02 Mobile height support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR997100A FR1415372A (en) 1964-12-02 1964-12-02 Mobile height support

Publications (1)

Publication Number Publication Date
FR1415372A true FR1415372A (en) 1965-10-22

Family

ID=8843840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR997100A Expired FR1415372A (en) 1964-12-02 1964-12-02 Mobile height support

Country Status (1)

Country Link
FR (1) FR1415372A (en)

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