PL202677A1 - Obudowa kroczaca - Google Patents

Obudowa kroczaca

Info

Publication number
PL202677A1
PL202677A1 PL20267777A PL20267777A PL202677A1 PL 202677 A1 PL202677 A1 PL 202677A1 PL 20267777 A PL20267777 A PL 20267777A PL 20267777 A PL20267777 A PL 20267777A PL 202677 A1 PL202677 A1 PL 202677A1
Authority
PL
Poland
Prior art keywords
trouble
housing
trouble housing
Prior art date
Application number
PL20267777A
Other languages
English (en)
Other versions
PL110238B1 (en
Inventor
Alfred A M Valantin
Original Assignee
Charbonnages De France
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 FR7636769A external-priority patent/FR2373669A2/fr
Application filed by Charbonnages De France filed Critical Charbonnages De France
Publication of PL202677A1 publication Critical patent/PL202677A1/pl
Publication of PL110238B1 publication Critical patent/PL110238B1/pl

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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
    • E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
    • 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
    • E21D23/0017—Pile type 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)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Jib Cranes (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Tents Or Canopies (AREA)
  • Bridges Or Land Bridges (AREA)
PL1977202677A 1976-12-07 1977-12-06 Walking roof-support PL110238B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7636769A FR2373669A2 (fr) 1976-06-29 1976-12-07 Pile mobile de soutenement continu

Publications (2)

Publication Number Publication Date
PL202677A1 true PL202677A1 (pl) 1978-07-31
PL110238B1 PL110238B1 (en) 1980-07-31

Family

ID=9180737

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1977202677A PL110238B1 (en) 1976-12-07 1977-12-06 Walking roof-support

Country Status (12)

Country Link
US (1) US4114385A (pl)
JP (1) JPS5387524A (pl)
AT (1) AT356044B (pl)
AU (1) AU512807B2 (pl)
BE (1) BE861469A (pl)
CA (1) CA1077730A (pl)
DE (1) DE2753059C2 (pl)
ES (2) ES464787A1 (pl)
GB (1) GB1572534A (pl)
PL (1) PL110238B1 (pl)
YU (1) YU287577A (pl)
ZA (1) ZA777090B (pl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2461094A1 (fr) * 1979-07-06 1981-01-30 Charbonnages De France Portique de soutenement glissant
DE3543060C1 (de) * 1985-12-05 1987-02-05 Hemscheidt Maschf Hermann Fahrbarer Unterstuetzungsaufbau
US9631491B2 (en) * 2007-12-17 2017-04-25 Hilary Leith Lumb Apparatus for forming an underground tunnel
CN104948182B (zh) * 2014-03-26 2018-01-16 沈阳开川科技有限公司 一种掘进机上的滑移式行走支护机构
CN111622525B (zh) * 2020-05-26 2022-02-01 中铁大桥科学研究院有限公司 一种薄壁高耸空心塔柱文物移位归安保护方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899800A (en) * 1959-08-18 Apparatus for mine roof control
US2826898A (en) * 1948-10-06 1958-03-18 Joy Mfg Co Apparatus for mine roof control
DE1030282B (de) * 1954-03-04 1958-05-22 Eisengiesserei A Beien Rahmenartiges Ausbauglied, insbesondere fuer den Strebausbau
DE1139084B (de) * 1960-07-13 1962-11-08 Maschf Fahrbares, rahmenartiges Strebausbauglied
FR2265971A1 (en) * 1974-03-28 1975-10-24 Bennes Marrel Hydraulic prop for mine working - has arm between flexible base and head plate vertically adjusted by hydraulic cylinders
FR2287580A1 (fr) * 1974-10-11 1976-05-07 Bennes Marrel Pile a fleche pour le soutenement, avec chapeau en porte a faux
DE2633799C2 (de) 1976-07-28 1978-07-27 Halbach & Braun, 5600 Wuppertal Schreitender Schildausbau

Also Published As

Publication number Publication date
YU287577A (en) 1982-06-30
GB1572534A (en) 1980-07-30
ES464786A1 (es) 1978-11-16
AU3127177A (en) 1979-06-14
AT356044B (de) 1980-04-10
AU512807B2 (en) 1980-10-30
JPS5387524A (en) 1978-08-02
DE2753059A1 (de) 1978-06-08
ZA777090B (en) 1978-09-27
CA1077730A (fr) 1980-05-20
US4114385A (en) 1978-09-19
ATA861577A (de) 1979-09-15
BE861469A (fr) 1978-06-02
PL110238B1 (en) 1980-07-31
ES464787A1 (es) 1978-09-01
DE2753059C2 (de) 1986-06-19

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