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AT283241B - Traveling extension unit in the form of a three-man team - Google Patents

Traveling extension unit in the form of a three-man team

Info

Publication number
AT283241B
AT283241B AT1033967A AT1033967A AT283241B AT 283241 B AT283241 B AT 283241B AT 1033967 A AT1033967 A AT 1033967A AT 1033967 A AT1033967 A AT 1033967A AT 283241 B AT283241 B AT 283241B
Authority
AT
Austria
Prior art keywords
extension unit
traveling extension
man team
team
man
Prior art date
Application number
AT1033967A
Other languages
German (de)
Inventor
Karl Maria Groetschel
Original Assignee
Karl Maria Groetschel
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 DE1966G0048476 external-priority patent/DE1483910B1/en
Application filed by Karl Maria Groetschel filed Critical Karl Maria Groetschel
Application granted granted Critical
Publication of AT283241B publication Critical patent/AT283241B/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
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
    • 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
    • E21D23/0026—Pile type supports comprising three walking elements
    • 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices

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)
  • Lining And Supports For Tunnels (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Body Structure For Vehicles (AREA)
AT1033967A 1966-11-16 1967-11-16 Traveling extension unit in the form of a three-man team AT283241B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1966G0048476 DE1483910B1 (en) 1966-11-16 1966-11-16 Traveling extension unit in the form of a three-man team
DEG0049571 1967-03-15

Publications (1)

Publication Number Publication Date
AT283241B true AT283241B (en) 1970-07-27

Family

ID=25978859

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1033967A AT283241B (en) 1966-11-16 1967-11-16 Traveling extension unit in the form of a three-man team

Country Status (5)

Country Link
US (1) US3490243A (en)
AT (1) AT283241B (en)
ES (1) ES347208A1 (en)
FR (1) FR1551223A (en)
GB (1) GB1198839A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1236590A (en) * 1968-10-01 1971-06-23 Gullick Dobson Ltd Improvements in or relating to mine roof supports
AU464341B2 (en) * 1970-08-13 1975-08-21 Karl Maria Groetschel Improvements relating to advancing roof supports for mine workings
DE2222801A1 (en) * 1972-05-10 1973-11-22 Gewerk Eisenhuette Westfalia PROGRESSIVE EXPANSION FOR EXTRACTION PLANTS AND PROCESSES FOR THE DISMANTLING OF STORAGE FACILITIES, IN PARTICULAR IN BRIEF WITH EXTRACTING MACHINE IN FRONT OF THE HEAD
GB1408429A (en) * 1972-07-14 1975-10-01 Mastabar Mining Equipment Co L Mine roof supports
DE2331309B2 (en) * 1973-06-20 1975-04-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Shield support frame with guide device
US3925995A (en) * 1974-08-12 1975-12-16 Gewerk Eisenhuette Westfalia Roof support frames for mining
DE2506779C3 (en) * 1975-02-18 1980-11-13 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Arrangement to the back of shield support
DE2720179B2 (en) * 1977-05-05 1979-07-12 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Extension team, consisting of shield-like or trestle-like extension frames
DE2758663C2 (en) * 1977-12-29 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Walker arrangement for a walker extension of the inclined and steep storage
CZ302937B6 (en) * 2010-11-02 2012-01-18 Ostroj A.S. Mechanical support unit intended particularly for very thick inclined coal seams
CN104314594B (en) * 2014-09-18 2017-11-21 中国煤炭科工集团太原研究院有限公司 Speedy drivage advance timbering
CN109854288B (en) * 2019-03-21 2024-09-24 山东矿机华能装备制造有限公司 Gangue blocking device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1319372A (en) * 1962-01-17 1963-03-01 Lorraine Anciens Ets Dietrich Walking pile for mine support
US3328966A (en) * 1963-03-29 1967-07-04 Stamicarbon Movable face support for use in mines
GB1044907A (en) * 1963-08-08 1966-10-05 Electro Hydraulics Ltd Improvements in or relating to mine roof supports

Also Published As

Publication number Publication date
GB1198839A (en) 1970-07-15
US3490243A (en) 1970-01-20
FR1551223A (en) 1968-12-27
ES347208A1 (en) 1969-01-16

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Legal Events

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