FR2163542A1 - - Google Patents

Info

Publication number
FR2163542A1
FR2163542A1 FR7244221A FR7244221A FR2163542A1 FR 2163542 A1 FR2163542 A1 FR 2163542A1 FR 7244221 A FR7244221 A FR 7244221A FR 7244221 A FR7244221 A FR 7244221A FR 2163542 A1 FR2163542 A1 FR 2163542A1
Authority
FR
France
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
FR7244221A
Other languages
French (fr)
Other versions
FR2163542B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alpine Montan AG
Original Assignee
Alpine Montan AG
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 Alpine Montan AG filed Critical Alpine Montan AG
Publication of FR2163542A1 publication Critical patent/FR2163542A1/fr
Application granted granted Critical
Publication of FR2163542B1 publication Critical patent/FR2163542B1/fr
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
    • E21D23/0418—Positioning devices and stabilizing means for the props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Geology (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Forging (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Jigs For Machine Tools (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
FR7244221A 1971-12-14 1972-12-12 Expired FR2163542B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1073971A AT310114B (en) 1971-12-14 1971-12-14 Device for straightening the stamp of an expansion frame

Publications (2)

Publication Number Publication Date
FR2163542A1 true FR2163542A1 (en) 1973-07-27
FR2163542B1 FR2163542B1 (en) 1976-08-20

Family

ID=3624358

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7244221A Expired FR2163542B1 (en) 1971-12-14 1972-12-12

Country Status (11)

Country Link
US (1) US3832856A (en)
JP (1) JPS5315443B2 (en)
AT (1) AT310114B (en)
CS (1) CS166831B2 (en)
ES (1) ES409544A1 (en)
FR (1) FR2163542B1 (en)
GB (1) GB1379417A (en)
HU (1) HU165109B (en)
PL (1) PL73430B1 (en)
SU (1) SU639472A3 (en)
YU (1) YU35180B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030308A (en) * 1976-05-21 1977-06-21 Fletcher Sutcliffe Wild Limited Mine roof supports
GB1546630A (en) * 1976-12-29 1979-05-23 Fletcher Sutcliffe Wild Ltd Mine roof supports
DE3100093A1 (en) * 1981-01-03 1982-08-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen DEVICE FOR LIMITING THE REMOVAL RESISTANCE OF A HYDRAULIC REMOVAL PLATE
FR2497872B1 (en) * 1981-01-13 1986-03-28 Alsace Mines Potasse DEVICE FOR HYDRAULIC POSITIONING OF THE STUDS OF A HYDRAULIC SUPPORT ASSEMBLY
US5584611A (en) * 1994-11-22 1996-12-17 Long-Airdox Roof support for underground excavations
US10774642B1 (en) * 2019-05-05 2020-09-15 Liaoning University Hydraulic support unit and hydraulic support for anti-rock burst roadway
CN114673535A (en) * 2022-03-28 2022-06-28 中国矿业大学(北京) Large-inclination-angle supporting device for preventing coal wall from caving

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB779791A (en) * 1954-12-15 1957-07-24 Dowty Mining Equipment Ltd Improvements relating to end caps for pit-props
US3016992A (en) * 1957-10-24 1962-01-16 Wilson John Hart Stabilizer for fluid cylinder plungers of high slenderness ratio
GB1107379A (en) * 1964-08-11 1968-03-27 Gullick Ltd Improvements in or relating to pivotally supported members particularly of mine roof supports

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
GB1379417A (en) 1975-01-02
JPS4876702A (en) 1973-10-16
SU639472A3 (en) 1978-12-25
AT310114B (en) 1973-09-25
DE2259271A1 (en) 1973-07-05
YU301072A (en) 1979-12-31
HU165109B (en) 1974-06-28
PL73430B1 (en) 1976-09-15
FR2163542B1 (en) 1976-08-20
CS166831B2 (en) 1976-03-29
US3832856A (en) 1974-09-03
DE2259271B2 (en) 1975-07-10
ES409544A1 (en) 1975-11-16
YU35180B (en) 1980-09-25
JPS5315443B2 (en) 1978-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse