FR1337037A - Hinged cap in several parts for mine props - Google Patents

Hinged cap in several parts for mine props

Info

Publication number
FR1337037A
FR1337037A FR912691A FR912691A FR1337037A FR 1337037 A FR1337037 A FR 1337037A FR 912691 A FR912691 A FR 912691A FR 912691 A FR912691 A FR 912691A FR 1337037 A FR1337037 A FR 1337037A
Authority
FR
France
Prior art keywords
several parts
hinged cap
mine props
props
mine
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
FR912691A
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.)
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen AG
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 NL283955D priority Critical patent/NL283955A/xx
Priority to DES76330A priority patent/DE1166127B/en
Priority to DES80793A priority patent/DE1178816B/en
Application filed by Salzgitter Maschinen AG filed Critical Salzgitter Maschinen AG
Priority to FR912691A priority patent/FR1337037A/en
Application granted granted Critical
Publication of FR1337037A publication Critical patent/FR1337037A/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
    • E21D23/04—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
    • E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
FR912691A 1961-10-19 1962-10-18 Hinged cap in several parts for mine props Expired FR1337037A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL283955D NL283955A (en) 1962-10-18
DES76330A DE1166127B (en) 1961-10-19 1961-10-19 Multi-part joint cap for pit support frame
DES80793A DE1178816B (en) 1962-08-07 1962-08-07 Multi-part joint cap for extension frame
FR912691A FR1337037A (en) 1962-10-18 1962-10-18 Hinged cap in several parts for mine props

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR912691A FR1337037A (en) 1962-10-18 1962-10-18 Hinged cap in several parts for mine props

Publications (1)

Publication Number Publication Date
FR1337037A true FR1337037A (en) 1963-09-06

Family

ID=8789000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR912691A Expired FR1337037A (en) 1961-10-19 1962-10-18 Hinged cap in several parts for mine props

Country Status (2)

Country Link
FR (1) FR1337037A (en)
NL (1) NL283955A (en)

Also Published As

Publication number Publication date
NL283955A (en)

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