DE2224207A1 - - Google Patents

Info

Publication number
DE2224207A1
DE2224207A1 DE19722224207 DE2224207A DE2224207A1 DE 2224207 A1 DE2224207 A1 DE 2224207A1 DE 19722224207 DE19722224207 DE 19722224207 DE 2224207 A DE2224207 A DE 2224207A DE 2224207 A1 DE2224207 A1 DE 2224207A1
Authority
DE
Germany
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.)
Granted
Application number
DE19722224207
Other languages
German (de)
Other versions
DE2224207B1 (de
DE2224207C2 (de
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 claimed from DE19722224207 external-priority patent/DE2224207C2/de
Priority to DE19722224207 priority Critical patent/DE2224207C2/de
Application filed filed Critical
Publication of DE2224207B1 publication Critical patent/DE2224207B1/de
Publication of DE2224207A1 publication Critical patent/DE2224207A1/de
Priority to GB2245673A priority patent/GB1428256A/en
Priority to FR7317136A priority patent/FR2184733B3/fr
Priority to AU55764/73A priority patent/AU474950B2/en
Priority to BE131220A priority patent/BE799668A/xx
Priority to US00361643A priority patent/US3854293A/en
Publication of DE2224207C2 publication Critical patent/DE2224207C2/de
Application granted granted Critical
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
    • E21D23/0427—Shield operating devices; Hinges therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D19/00—Provisional protective covers for working space
    • E21D19/02—Provisional protective covers for working space for use in longwall working

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)
  • Lining And Supports For Tunnels (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
DE19722224207 1972-05-18 1972-05-18 Ausbauelement für den Schildausbau von Abbaustreben im untertägigen Grubenbetrieb Expired DE2224207C2 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19722224207 DE2224207C2 (de) 1972-05-18 Ausbauelement für den Schildausbau von Abbaustreben im untertägigen Grubenbetrieb
GB2245673A GB1428256A (en) 1972-05-18 1973-05-10 Roof support with a shield for a longwall working in a mine
FR7317136A FR2184733B3 (xx) 1972-05-18 1973-05-11
AU55764/73A AU474950B2 (en) 1972-05-18 1973-05-16 Roof support witha shield for longwall workings in mines
BE131220A BE799668A (fr) 1972-05-18 1973-05-17 Element de soutenement pour le soutenement a boucliers de galeries de taille en exploitation souterraine,
US00361643A US3854293A (en) 1972-05-18 1973-05-18 Lining for underground excavations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722224207 DE2224207C2 (de) 1972-05-18 Ausbauelement für den Schildausbau von Abbaustreben im untertägigen Grubenbetrieb

Publications (3)

Publication Number Publication Date
DE2224207B1 DE2224207B1 (de) 1973-01-04
DE2224207A1 true DE2224207A1 (xx) 1973-01-04
DE2224207C2 DE2224207C2 (de) 1977-12-01

Family

ID=

Also Published As

Publication number Publication date
GB1428256A (en) 1976-03-17
DE2224207B1 (de) 1973-01-04
BE799668A (fr) 1973-11-19
AU5576473A (en) 1974-11-21
FR2184733A1 (xx) 1973-12-28
US3854293A (en) 1974-12-17
AU474950B2 (en) 1976-08-05
FR2184733B3 (xx) 1976-04-23

Similar Documents

Publication Publication Date Title
FR2169192B1 (xx)
FR2190926A1 (xx)
JPS4947232A (xx)
FR2184733B3 (xx)
JPS4956383A (xx)
JPS5311226B2 (xx)
JPS4945850A (xx)
FR2209206B3 (xx)
JPS5148501Y2 (xx)
JPS4898794A (xx)
JPS4956355U (xx)
JPS4976318U (xx)
JPS524856Y2 (xx)
JPS5217181Y2 (xx)
JPS5219491Y2 (xx)
JPS4725488Y1 (xx)
CS165917B1 (xx)
CS154093B1 (xx)
CS154504B1 (xx)
CS155444B1 (xx)
CS156012B1 (xx)
JPS4958521U (xx)
CS156329B1 (xx)
CS156687B1 (xx)
CS157994B1 (xx)

Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977