FR2539810B1 - MOBILE LEMNISCATE SUPPORT BATTERY WITH FLANGE IN TWO ELEMENTS THAT CAN BE RIPPED INDEPENDENTLY FROM ONE ANOTHER - Google Patents

MOBILE LEMNISCATE SUPPORT BATTERY WITH FLANGE IN TWO ELEMENTS THAT CAN BE RIPPED INDEPENDENTLY FROM ONE ANOTHER

Info

Publication number
FR2539810B1
FR2539810B1 FR8301203A FR8301203A FR2539810B1 FR 2539810 B1 FR2539810 B1 FR 2539810B1 FR 8301203 A FR8301203 A FR 8301203A FR 8301203 A FR8301203 A FR 8301203A FR 2539810 B1 FR2539810 B1 FR 2539810B1
Authority
FR
France
Prior art keywords
ripped
flange
independently
mobile
elements
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
FR8301203A
Other languages
French (fr)
Other versions
FR2539810A1 (en
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.)
MANCHE ATEL CHANTIERS
Original Assignee
MANCHE ATEL CHANTIERS
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 MANCHE ATEL CHANTIERS filed Critical MANCHE ATEL CHANTIERS
Priority to FR8301203A priority Critical patent/FR2539810B1/en
Publication of FR2539810A1 publication Critical patent/FR2539810A1/en
Application granted granted Critical
Publication of FR2539810B1 publication Critical patent/FR2539810B1/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
    • E21D23/0004—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
    • E21D23/0034—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 comprising a goaf shield articulated to a base member
    • 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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/082—Advancing mechanisms forming parts of the roof supports acting solely on the elements of the supports

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)
  • Secondary Cells (AREA)
FR8301203A 1983-01-25 1983-01-25 MOBILE LEMNISCATE SUPPORT BATTERY WITH FLANGE IN TWO ELEMENTS THAT CAN BE RIPPED INDEPENDENTLY FROM ONE ANOTHER Expired FR2539810B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8301203A FR2539810B1 (en) 1983-01-25 1983-01-25 MOBILE LEMNISCATE SUPPORT BATTERY WITH FLANGE IN TWO ELEMENTS THAT CAN BE RIPPED INDEPENDENTLY FROM ONE ANOTHER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8301203A FR2539810B1 (en) 1983-01-25 1983-01-25 MOBILE LEMNISCATE SUPPORT BATTERY WITH FLANGE IN TWO ELEMENTS THAT CAN BE RIPPED INDEPENDENTLY FROM ONE ANOTHER

Publications (2)

Publication Number Publication Date
FR2539810A1 FR2539810A1 (en) 1984-07-27
FR2539810B1 true FR2539810B1 (en) 1985-08-30

Family

ID=9285312

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8301203A Expired FR2539810B1 (en) 1983-01-25 1983-01-25 MOBILE LEMNISCATE SUPPORT BATTERY WITH FLANGE IN TWO ELEMENTS THAT CAN BE RIPPED INDEPENDENTLY FROM ONE ANOTHER

Country Status (1)

Country Link
FR (1) FR2539810B1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1002757A (en) * 1949-12-13 1952-03-10 Mavor & Coulson Ltd Improvements to mine props
DE1039010B (en) * 1953-07-14 1958-09-18 Bergwerksverband Gmbh Device for cladding and for expansion in struts of steep or semi-steep coal layers
FR1184882A (en) * 1956-10-19 1959-07-27 Eisenwerk Wanheim Gmbh Mechanized support with hydraulic props grouped in double groups
GB942279A (en) * 1961-02-17 1963-11-20 Dowty Mining Equipment Ltd Improvements relating to self-advancing roof supports
FR1302339A (en) * 1961-10-05 1962-08-24 Gewerk Eisenhuette Westfalia Mobile support usable in particular in mines
FR85312E (en) * 1963-12-04 1965-07-23 Hemscheidt Maschf Hermann Hydraulic support hitch for underground support
GB1056690A (en) * 1964-11-26 1967-01-25 Gullick Ltd Improvements in or relating to mine roof supports and conveyors for use in conjunction therewith
GB1120056A (en) * 1966-03-15 1968-07-17 Bonser Engineering Ltd Improvements in or relating to mine roof supports
FR1488664A (en) * 1966-08-03 1967-07-13 Coal Industry Patents Ltd Two-piece mine roof support
FR2257776A1 (en) * 1974-01-10 1975-08-08 Nord Pas Calais Houilleres Base frame for self advancing roof support - is fitted with two guide frames joined by longitudinal and lateral linkage
DE2729564C2 (en) * 1977-06-30 1979-08-09 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Lemniscate guide for hydraulic support frames
DE2840835C2 (en) * 1978-09-20 1986-03-06 Klöckner-Becorit GmbH, 4620 Castrop-Rauxel Shield support frame for underground longwall mining

Also Published As

Publication number Publication date
FR2539810A1 (en) 1984-07-27

Similar Documents

Publication Publication Date Title
ES547210A0 (en) A PHOTOVOLTAIC DEVICE
ZA775280B (en) Load cell
ES535578A0 (en) A THERMO-PHOTOVOLTAIC DEVICE.
GB2144462B (en) A roof construction
JPS57157460A (en) Electrochemical device with at least two elements
DE3364166D1 (en) A floatable boom
EG16331A (en) Integrated roofing structure
NO831897L (en) DIPOLA DEVICE IN A SHELTER
AR242309A1 (en) A processor with a cellular layout.
FR2539810B1 (en) MOBILE LEMNISCATE SUPPORT BATTERY WITH FLANGE IN TWO ELEMENTS THAT CAN BE RIPPED INDEPENDENTLY FROM ONE ANOTHER
ES533990A0 (en) IMPROVEMENTS IN A STATIC CONVERTER
PT73316B (en) INFLATABLE STRUCTURE WITH OPENING
CH609404A5 (en) Corner connection
GB2145329B (en) A telescopic supporting post
JPS52129574A (en) Sealed load cell
NZ190354A (en) Waterproof coat-sleeve seam lap-welded in stages
FR2543204B3 (en) HINGE DEVICE EXTENDING A HINGE IN PLACE
AU2566977A (en) Polyester modified with a polyalkoxylated hydantoin derivative
KR860004206U (en) Rat feed the bucket
DK169684D0 (en) DOES TO THE TRUCK IN A TRUCK
JPS5345013A (en) Structure joint device
JPS5359971A (en) Solid and liquid separation tank construction
ZA76697B (en) A roofed structure
SU1150325A1 (en) Guy-rope roof
KR850002301U (en) Rat bucket

Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse