NL6410054A - - Google Patents

Info

Publication number
NL6410054A
NL6410054A NL6410054A NL6410054A NL6410054A NL 6410054 A NL6410054 A NL 6410054A NL 6410054 A NL6410054 A NL 6410054A NL 6410054 A NL6410054 A NL 6410054A NL 6410054 A NL6410054 A NL 6410054A
Authority
NL
Netherlands
Application number
NL6410054A
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 AT423464A external-priority patent/AT273013B/de
Priority claimed from DEG40953A external-priority patent/DE1302050B/de
Application filed filed Critical
Publication of NL6410054A publication Critical patent/NL6410054A/xx

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
    • E21D23/0069—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 without essential advancing shifting devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/58—Devices for setting props or chocks
    • E21D15/585—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important
    • E21D15/586—Devices for setting props or chocks by means of hydraulically operated devices for mechanical props, or hydraulic props in which the hydraulic part is not important the props being pre-loaded
    • 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

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)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Prostheses (AREA)
NL6410054A 1963-08-29 1964-08-28 NL6410054A (enrdf_load_stackoverflow)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEG0038575 1963-08-29
AT423464A AT273013B (de) 1963-08-29 1964-05-14 Hydraulische Abstützvorrichtung, insbesondere für den Strebausbau
DEG40953A DE1302050B (de) 1964-06-29 1964-06-29 Hydraulisches Abstuetzelement

Publications (1)

Publication Number Publication Date
NL6410054A true NL6410054A (enrdf_load_stackoverflow) 1965-03-01

Family

ID=27149867

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6410054A NL6410054A (enrdf_load_stackoverflow) 1963-08-29 1964-08-28

Country Status (3)

Country Link
US (1) US3490244A (enrdf_load_stackoverflow)
BE (1) BE652266A (enrdf_load_stackoverflow)
NL (1) NL6410054A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329125A (en) * 1970-12-02 1973-09-05 Gullick Dobson Ltd Mine roof supports
CN112282816B (zh) * 2020-10-28 2022-08-12 贵州理工学院 一种可以快速部署的巷道支护装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106825A (en) * 1959-06-09 1963-10-15 Raheinstahl Wanheim G M B H Mining apparatus and advancing means therefor
GB930838A (en) * 1960-08-31 1963-07-10 Gullick Ltd Improvements in or relating to roof supports for mines and the like

Also Published As

Publication number Publication date
US3490244A (en) 1970-01-20
BE652266A (enrdf_load_stackoverflow) 1964-12-16

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