AT310114B - Device for straightening the stamp of an expansion frame - Google Patents

Device for straightening the stamp of an expansion frame

Info

Publication number
AT310114B
AT310114B AT1073971A AT1073971A AT310114B AT 310114 B AT310114 B AT 310114B AT 1073971 A AT1073971 A AT 1073971A AT 1073971 A AT1073971 A AT 1073971A AT 310114 B AT310114 B AT 310114B
Authority
AT
Austria
Prior art keywords
straightening
stamp
expansion frame
expansion
frame
Prior art date
Application number
AT1073971A
Other languages
German (de)
Original Assignee
Oesterr Alpine Montan
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 Oesterr Alpine Montan filed Critical Oesterr Alpine Montan
Priority to AT1073971A priority Critical patent/AT310114B/en
Priority to DE19722259271 priority patent/DE2259271C3/en
Priority to YU3010/72A priority patent/YU35180B/en
Priority to HUOE184A priority patent/HU165109B/hu
Priority to PL15947272A priority patent/PL73430B1/pl
Priority to FR7244221A priority patent/FR2163542B1/fr
Priority to ES409544A priority patent/ES409544A1/en
Priority to SU721861584A priority patent/SU639472A3/en
Priority to GB5766372A priority patent/GB1379417A/en
Priority to CS8609A priority patent/CS166831B2/cs
Priority to JP12573972A priority patent/JPS5315443B2/ja
Priority to US00315238A priority patent/US3832856A/en
Application granted granted Critical
Publication of AT310114B publication Critical patent/AT310114B/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
AT1073971A 1971-12-14 1971-12-14 Device for straightening the stamp of an expansion frame AT310114B (en)

Priority Applications (12)

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
DE19722259271 DE2259271C3 (en) 1971-12-14 1972-12-04 Hydraulic straightening device for the stamp of an extension frame
YU3010/72A YU35180B (en) 1971-12-14 1972-12-04 Device for hydraulically bringing into noramal position the supports at a supporting frame
HUOE184A HU165109B (en) 1971-12-14 1972-12-07
PL15947272A PL73430B1 (en) 1971-12-14 1972-12-12
FR7244221A FR2163542B1 (en) 1971-12-14 1972-12-12
ES409544A ES409544A1 (en) 1971-12-14 1972-12-12 Device for vertically positioning the props of a mine roof supporting frame
SU721861584A SU639472A3 (en) 1971-12-14 1972-12-13 Device for perpendicular mounting of mine roof support frame props
GB5766372A GB1379417A (en) 1971-12-14 1972-12-14 Mine roof supporting frame
CS8609A CS166831B2 (en) 1971-12-14 1972-12-14
JP12573972A JPS5315443B2 (en) 1971-12-14 1972-12-14
US00315238A US3832856A (en) 1971-12-14 1972-12-14 Device for vertically positioning the props of a mine roof supporting frame

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 (1)

Publication Number Publication Date
AT310114B true AT310114B (en) 1973-09-25

Family

ID=3624358

Family Applications (1)

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

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378240B (en) * 1981-01-13 1985-07-10 Alsace Mines Potasse HYDRAULIC DEVICE FOR POSITIONING STAMPS IN HYDRAULIC REMOVAL FRAME

Families Citing this family (6)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378240B (en) * 1981-01-13 1985-07-10 Alsace Mines Potasse HYDRAULIC DEVICE FOR POSITIONING STAMPS IN HYDRAULIC REMOVAL FRAME

Also Published As

Publication number Publication date
JPS4876702A (en) 1973-10-16
PL73430B1 (en) 1976-09-15
US3832856A (en) 1974-09-03
YU301072A (en) 1979-12-31
JPS5315443B2 (en) 1978-05-25
DE2259271B2 (en) 1975-07-10
GB1379417A (en) 1975-01-02
ES409544A1 (en) 1975-11-16
FR2163542B1 (en) 1976-08-20
CS166831B2 (en) 1976-03-29
HU165109B (en) 1974-06-28
YU35180B (en) 1980-09-25
SU639472A3 (en) 1978-12-25
FR2163542A1 (en) 1973-07-27
DE2259271A1 (en) 1973-07-05

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee