NL6604589A - - Google Patents

Info

Publication number
NL6604589A
NL6604589A NL6604589A NL6604589A NL6604589A NL 6604589 A NL6604589 A NL 6604589A NL 6604589 A NL6604589 A NL 6604589A NL 6604589 A NL6604589 A NL 6604589A NL 6604589 A NL6604589 A NL 6604589A
Authority
NL
Netherlands
Application number
NL6604589A
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 filed Critical
Publication of NL6604589A publication Critical patent/NL6604589A/xx

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0004Mine 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/08Guiding the machine
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/08Guiding the machine
    • E21C35/16Guiding the machine by making use of the timbering, filling, or other supports
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C41/00Methods of underground or surface mining; Layouts therefor
    • E21C41/16Methods of underground mining; Layouts therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0047Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
NL6604589A 1965-04-22 1966-04-06 NL6604589A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH55827A DE1261096B (de) 1965-04-22 1965-04-22 Vorrichtung und Verfahren zum mannlosen, vollmechanischen Abbau in Floezen steiler und halbsteiler Lagerung

Publications (1)

Publication Number Publication Date
NL6604589A true NL6604589A (xx) 1966-10-24

Family

ID=7159158

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6604589A NL6604589A (xx) 1965-04-22 1966-04-06

Country Status (5)

Country Link
BE (1) BE678828A (xx)
DE (1) DE1261096B (xx)
ES (1) ES324227A1 (xx)
GB (1) GB1077866A (xx)
NL (1) NL6604589A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500069B (zh) * 2014-11-27 2017-03-22 中国煤炭科工集团太原研究院有限公司 一种特厚煤层边角煤的连续采煤机放顶煤开采工艺
CN112664195B (zh) * 2020-12-24 2023-09-22 中国神华能源股份有限公司哈尔乌素露天煤矿 采空区处理方法

Also Published As

Publication number Publication date
DE1261096B (de) 1968-02-15
ES324227A1 (es) 1967-02-01
BE678828A (xx) 1966-09-16
GB1077866A (en) 1967-08-02

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