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GB1219897A - Improvements relating to roof supports for mine workings - Google Patents

Improvements relating to roof supports for mine workings

Info

Publication number
GB1219897A
GB1219897A GB46258/67A GB4625867A GB1219897A GB 1219897 A GB1219897 A GB 1219897A GB 46258/67 A GB46258/67 A GB 46258/67A GB 4625867 A GB4625867 A GB 4625867A GB 1219897 A GB1219897 A GB 1219897A
Authority
GB
United Kingdom
Prior art keywords
roof supports
oct
improvements relating
inner frame
mine roof
Prior art date
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.)
Expired
Application number
GB46258/67A
Inventor
Karl Maria Groetschel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB46258/67A priority Critical patent/GB1219897A/en
Priority to US765564A priority patent/US3474627A/en
Priority to DE19681802010 priority patent/DE1802010B1/en
Priority to DE6801450U priority patent/DE6801450U/en
Publication of GB1219897A publication Critical patent/GB1219897A/en
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
    • E21D23/0454—Trailing plates; Coal face or goaf side sprags

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Tents Or Canopies (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Building Environments (AREA)

Abstract

1,219,897. Advancing mine roof supports. K. M.' GROETSCHEL. 10 Oct., 1968 [10 Oct., 1967], No. 46258/67. Addition to 1,168,796. Heading E1P. In a mine roof support comprising an outer frame and an inner frame 13 adapted to be selectively advanced by a jack the superstructure 15 of the latter is provided with a movable mat 38 to give protection over the manway 33 when the inner frame is: advanced. The support is also provided with fixed shields 35a, 35b and a flushing shield 36. The mat 38 is in the form of steel plates articulated together or consists of a rubber sheet reinforced by one or more layers of canvas. The sheet may be wound on a roller or coiled over a series of rollers and tensioned by spring means or weights as appropriate, see Figs. 4, 5 and 6, (not shown). Specifications 1,168,796, 1,168,792, 1,171,944 and 1,198,507 are referred to.
GB46258/67A 1967-10-10 1967-10-10 Improvements relating to roof supports for mine workings Expired GB1219897A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB46258/67A GB1219897A (en) 1967-10-10 1967-10-10 Improvements relating to roof supports for mine workings
US765564A US3474627A (en) 1967-10-10 1968-10-07 Roof supports for mine workings
DE19681802010 DE1802010B1 (en) 1967-10-10 1968-10-09 Clearance cover device for a traveling extension unit
DE6801450U DE6801450U (en) 1967-10-10 1968-10-09 OPEN SPACE COVERING DEVICE FOR TRAVELING UNITS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46258/67A GB1219897A (en) 1967-10-10 1967-10-10 Improvements relating to roof supports for mine workings

Publications (1)

Publication Number Publication Date
GB1219897A true GB1219897A (en) 1971-01-20

Family

ID=10440497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46258/67A Expired GB1219897A (en) 1967-10-10 1967-10-10 Improvements relating to roof supports for mine workings

Country Status (3)

Country Link
US (1) US3474627A (en)
DE (2) DE1802010B1 (en)
GB (1) GB1219897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106050284A (en) * 2016-07-15 2016-10-26 山东兖煤黑豹矿业装备有限公司 Parallel operation type quick tunneling support system and construction method

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3702061A (en) * 1971-09-20 1972-11-07 Kloeckner Werke Ag Hydraulic support systems for mine workings
DE3204872C2 (en) * 1982-02-12 1985-09-26 Bergwerksverband Gmbh, 4300 Essen Shield removal cap
DE3211595A1 (en) * 1982-03-30 1983-10-06 Gewerk Eisenhuette Westfalia BREAK AND OFFSET SHIELDING OF A LEMNIS CAT SHIELD
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE815958C (en) * 1949-02-24 1951-10-08 Gelsenkirchener Bergwerks Akti Progressive longwall mining in connection with quarrying
LU31082A1 (en) * 1950-12-01
DE908365C (en) * 1952-01-01 1954-04-05 F W Moll Soehne Maschinenfabri Interchangeable shed for back-up mountains in the mine
US2910281A (en) * 1956-10-19 1959-10-27 Rheinstahl Wanheim Gmbh Prop and conveyer arrangement for mines
DE1127297B (en) * 1956-10-19 1962-04-12 Rheinstahl Gmbh Wanheim Mechanized longwall mining
GB1010948A (en) * 1961-06-26 1965-11-24 Groetschel Karl Maria New or improved roof support for mines
DE1281978B (en) * 1965-04-21 1968-11-07 Karl Maria Groetschel Dipl Ing Procedure for securing large areas of the hanging slope area exposed in the course of the cutting progress in mining operations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106050284A (en) * 2016-07-15 2016-10-26 山东兖煤黑豹矿业装备有限公司 Parallel operation type quick tunneling support system and construction method

Also Published As

Publication number Publication date
DE6801450U (en) 1969-03-27
US3474627A (en) 1969-10-28
DE1802010B1 (en) 1970-01-15

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