PL211202A1 - AUTOMATICALLY ADJUSTABLE HEIGHT GUARD FOR UNDERGROUND PRODUCTION WORK, PLACED ON THE STROKING HOUSING - Google Patents

AUTOMATICALLY ADJUSTABLE HEIGHT GUARD FOR UNDERGROUND PRODUCTION WORK, PLACED ON THE STROKING HOUSING

Info

Publication number
PL211202A1
PL211202A1 PL21120278A PL21120278A PL211202A1 PL 211202 A1 PL211202 A1 PL 211202A1 PL 21120278 A PL21120278 A PL 21120278A PL 21120278 A PL21120278 A PL 21120278A PL 211202 A1 PL211202 A1 PL 211202A1
Authority
PL
Poland
Prior art keywords
stroking
housing
adjustable height
production work
automatically adjustable
Prior art date
Application number
PL21120278A
Other languages
Polish (pl)
Other versions
PL117943B1 (en
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of PL211202A1 publication Critical patent/PL211202A1/en
Publication of PL117943B1 publication Critical patent/PL117943B1/en

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
    • E21D23/0472—Supports specially adapted for people walking or transporting material
    • 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
    • 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

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Escalators And Moving Walkways (AREA)
PL21120278A 1977-11-25 1978-11-24 Travel area protection shield of automatically adjustable height,being mounted on a walking roof supportvlivaemojj vysotojj,pomehhennoe na shagajuhhejj krepi PL117943B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772752650 DE2752650C2 (en) 1977-11-25 1977-11-25 Height-adjustable driving area shielding for underground mining operations, especially in inclined and steep storage

Publications (2)

Publication Number Publication Date
PL211202A1 true PL211202A1 (en) 1979-09-10
PL117943B1 PL117943B1 (en) 1981-09-30

Family

ID=6024626

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21120278A PL117943B1 (en) 1977-11-25 1978-11-24 Travel area protection shield of automatically adjustable height,being mounted on a walking roof supportvlivaemojj vysotojj,pomehhennoe na shagajuhhejj krepi

Country Status (5)

Country Link
CS (1) CS201019B2 (en)
DE (1) DE2752650C2 (en)
ES (1) ES475381A1 (en)
FR (1) FR2410125A1 (en)
PL (1) PL117943B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015187044A2 (en) 2014-06-05 2015-12-10 Politechnika Rzeszowska Wheelchair particularly for the disabled

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921459A1 (en) * 1979-05-26 1980-12-04 Gewerk Eisenhuette Westfalia Mine face working travel area protective screen - comprises extensible side-pieces with covered mechanism mounted on conveyor
DE2905873A1 (en) * 1979-02-16 1980-08-28 Gewerk Eisenhuette Westfalia Mine support behind face conveyor - has screen between floor and roof members sections swinging as conveyor is advanced
DE3521819A1 (en) * 1985-06-19 1987-01-02 Kloeckner Becorit Gmbh Hydraulic face support
CN105927256A (en) * 2016-04-12 2016-09-07 安徽省宿州市龙华机械制造有限公司 Cross-head-tail support structure for hydraulic support
CN112177654B (en) * 2020-09-30 2023-09-26 四川华蓥山龙滩煤电有限责任公司 Mining face end head and crossheading advanced self-moving supporting method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1377895A (en) * 1963-12-23 1964-11-06 Dowty Mining Equipment Ltd Retaining device with protective screen for mines
GB1316746A (en) * 1969-09-26 1973-05-16 Dowty Mining Equipment Ltd Flexible shield for use with mining apparatus
DE1952893C3 (en) * 1969-10-21 1975-01-02 Krampe & Co, Fertigung In Bergbaubedarf Gmbh, 4320 Hattingen Folding wall for offsetting on striding longwall structures
GB1456993A (en) * 1973-04-27 1976-12-01 Coal Industry Patents Ltd Mine roof support shield assembly
US4067618A (en) * 1976-09-24 1978-01-10 Taiheiyo Engineering Inc. Apparatus for protecting of coal mine workers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015187044A2 (en) 2014-06-05 2015-12-10 Politechnika Rzeszowska Wheelchair particularly for the disabled

Also Published As

Publication number Publication date
DE2752650A1 (en) 1979-06-07
CS201019B2 (en) 1980-10-31
FR2410125A1 (en) 1979-06-22
ES475381A1 (en) 1979-04-01
PL117943B1 (en) 1981-09-30
DE2752650C2 (en) 1985-02-21

Similar Documents

Publication Publication Date Title
IT1062827B (en) NUMERIC CONTROL SYSTEM FOR MACHINE TOOLS
IT7827580A0 (en) MACHINE TOOL.
NL7812451A (en) SCISSIBLE TOOLS.
NL7804636A (en) UNIVERSAL TOOL MACHINE.
NO141639C (en) DEVICE FOR COMBINATION TOOLS.
IT1072547B (en) DEVICE FOR RECEIVING MACHINE TOOLS
IT7922064A0 (en) DEVICE FOR CLAMPING WORK PIECES.
NL7711013A (en) CUTTING DEVICE.
IT7883343A0 (en) LOCKING DEVICE FOR MACHINE TOOL.
NO782256L (en) CUTTING DEVICE FOR TUFTE MACHINE E.L.
PL211202A1 (en) AUTOMATICALLY ADJUSTABLE HEIGHT GUARD FOR UNDERGROUND PRODUCTION WORK, PLACED ON THE STROKING HOUSING
IT1164711B (en) APPARATUS FOR THE TRINCEE EXCAVATION
IT1084614B (en) LINGOTTI CUTTING DEVICE.
PL210103A1 (en) DEVICE FOR CONTROLLING THE LEVEL OF A COOLING MACHINE, ESPECIALLY A PLANE
NO152777C (en) ADJUSTABLE PROTECTION DEVICE FOR TOOL MACHINE.
IT1113539B (en) EQUIPMENT FOR THE CONTROL OF MACHINE TOOLS
IT1087948B (en) OPERATOR TABLE.
NL7801934A (en) TOOL GRINDING MACHINE.
IT1212420B (en) TOOL UNIT FOR VERTICAL TURNING MACHINES.
NL186140C (en) CUTTING DEVICE.
NL7812482A (en) CUTTING DEVICE.
IT7922528V0 (en) SAFETY DEVICE FOR STRAIGHT KNITTING MACHINES.
IT8019403A0 (en) TOOL PRE-REGISTRATION DEVICE.
NL7801733A (en) TOOLS.
SE7711414L (en) TRACKING DEVICE FOR IMPACTING TOOLS, SPECIAL STOPPING TOOLS