GB956012A - Self-advancing hydraulic roof-supporting frame assembly for use in mines - Google Patents

Self-advancing hydraulic roof-supporting frame assembly for use in mines

Info

Publication number
GB956012A
GB956012A GB12859/61A GB1285961A GB956012A GB 956012 A GB956012 A GB 956012A GB 12859/61 A GB12859/61 A GB 12859/61A GB 1285961 A GB1285961 A GB 1285961A GB 956012 A GB956012 A GB 956012A
Authority
GB
United Kingdom
Prior art keywords
self
mines
supporting frame
frame assembly
advancing hydraulic
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
GB12859/61A
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.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of GB956012A publication Critical patent/GB956012A/en
Expired legal-status Critical Current

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
    • E21D23/006—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
    • E21D23/0073—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 with advancing shifting devices connected therewith
    • 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports

Abstract

956,012. Advancing mine props. GEWERKSCHAFT EISENHUTTE WESTFALIA. April 10, 1961 [April 27, 1960], No. 12859/61. Heading E1E. A self advancing hydraulic mine roof support assembly comprises two frame units A, B interconnected by a block 6 defining two cylinders 7, 8 permitting any given frame unit to move over twice the travel of its associated piston.
GB12859/61A 1960-04-27 1961-04-10 Self-advancing hydraulic roof-supporting frame assembly for use in mines Expired GB956012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG29546A DE1146829B (en) 1960-04-27 1960-04-27 Moving hydraulic support frame

Publications (1)

Publication Number Publication Date
GB956012A true GB956012A (en) 1964-04-22

Family

ID=7123769

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12859/61A Expired GB956012A (en) 1960-04-27 1961-04-10 Self-advancing hydraulic roof-supporting frame assembly for use in mines

Country Status (4)

Country Link
US (2) US3169377A (en)
BE (1) BE603102A (en)
DE (1) DE1146829B (en)
GB (1) GB956012A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1289805B (en) * 1962-01-29 1969-02-27 Groetschel Karl Maria Mechanically retractable face construction unit
DE1205035B (en) * 1964-07-25 1965-11-18 Hoesch Bergbautechnik G M B H Striding support frame
US3352117A (en) * 1964-11-12 1967-11-14 Dobson Ltd W E & F Driving gear anchor means for mines
US3438209A (en) * 1965-05-27 1969-04-15 Konrad Grebe Roof support assembly of the type used on the longwall face of a coal seam
US3435620A (en) * 1965-09-20 1969-04-01 Gewerk Eisenhuette Westfalia Walking mine roof support
LU56825A1 (en) * 1968-09-05 1970-03-05
GB1216953A (en) * 1968-10-12 1970-12-23 Gewerk Eisenhuette Westfalia Improvements in support assemblies for mineral mines
DE2909165C2 (en) * 1979-03-08 1986-11-27 Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen Device for connecting a hydraulic support structure to the supply system of an underground mining operation
US4256343A (en) * 1979-05-16 1981-03-17 Fairchild Incorporated Mechanism for advancing continuous mining machine through mining cycle and tramming modes
AT503281B1 (en) * 2006-05-04 2007-09-15 Hoerbiger Automatisierungstech Telescopic lifting column for hydraulically adjusting height of medical treatment table, has inner elements functionally connected with one another over coupling part, where part has guiding surfaces that cooperate with outer elements

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1039972B (en) * 1951-01-24 1958-10-02 Gerhard Werner Expansion element for longwall construction
DE1078068B (en) * 1955-03-04 1960-03-24 Hoesch Westfalenhuette Ag Hydraulic extension frame
AT197311B (en) * 1956-01-27 1958-04-25 Gewerkschaft Eisenhuette Westfalia
FR1192850A (en) * 1957-04-26 1959-10-28 Hoesch Werke Ag Suspension device for hydraulic support frames avoiding distortions
GB881364A (en) * 1959-01-16 1961-11-01 Gullick Ltd Improvements in or relating to hydraulic ram devices, particularly applicable to mine roof supports

Also Published As

Publication number Publication date
BE603102A (en) 1961-10-27
US3169377A (en) 1965-02-16
DE1146829B (en) 1963-04-11
US3225547A (en) 1965-12-28

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