GB1001411A - Roof supports suitable for use in mines - Google Patents

Roof supports suitable for use in mines

Info

Publication number
GB1001411A
GB1001411A GB3183760A GB3183760A GB1001411A GB 1001411 A GB1001411 A GB 1001411A GB 3183760 A GB3183760 A GB 3183760A GB 3183760 A GB3183760 A GB 3183760A GB 1001411 A GB1001411 A GB 1001411A
Authority
GB
United Kingdom
Prior art keywords
sept
roof supports
mines
mine roof
supports suitable
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
GB3183760A
Inventor
Alec Hodkinson
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.)
Dowty Mining Equipment Ltd
Original Assignee
Dowty Mining Equipment Ltd
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 Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB3183760A priority Critical patent/GB1001411A/en
Publication of GB1001411A publication Critical patent/GB1001411A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • E21D15/545—Details of the ends of props hydraulic or pneumatic
    • 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

Abstract

1,001,411. Mine roof supports. DOWTY MINING EQUIPMENT Ltd. Sept. 14, 1961 [Sept. 15, 1960], No. 31837/60. Heading E1E. A mine roof support consisting of roof and floor bars mounted for tilting movement on at least two telescopic props 12 is provided with a biasing device such as an hydraulic jack 33 or an eccentrically disposed rubber ring, see Fig. 3 (not shown), for acting in the plans of the unit against a prop at a point above its lower pivoted joint 21, 22. The jack 33 is controlled by a valve 28 having a control shaft 29. Specification 1,001,412 is referred to.
GB3183760A 1960-09-15 1960-09-15 Roof supports suitable for use in mines Expired GB1001411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3183760A GB1001411A (en) 1960-09-15 1960-09-15 Roof supports suitable for use in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3183760A GB1001411A (en) 1960-09-15 1960-09-15 Roof supports suitable for use in mines

Publications (1)

Publication Number Publication Date
GB1001411A true GB1001411A (en) 1965-08-18

Family

ID=10329142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3183760A Expired GB1001411A (en) 1960-09-15 1960-09-15 Roof supports suitable for use in mines

Country Status (1)

Country Link
GB (1) GB1001411A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224247B (en) * 1965-10-08 1966-09-08 Hoesch Bergbautechnik G M B H Striding extension team with support springs and connecting springs
DE1257720B (en) * 1966-02-17 1968-01-04 Bergwerksverband Gmbh Control for a moving extension frame
DE1259281B (en) * 1966-05-21 1968-01-25 Gewerk Eisenhuette Westfalia Hydraulic mobile support frame
DE1260414B (en) * 1966-04-16 1968-02-08 Bergwerksverband Gmbh Control for a moving extension frame
DE1276578B (en) * 1967-02-11 1968-09-05 Bergwerksverband Gmbh Control for a moving extension frame
US3418814A (en) * 1966-03-04 1968-12-31 Karl M. Groetschel Roof supports for mine workings
DE1801564B1 (en) * 1968-09-05 1970-07-30 Becorit Grubenausbau Gmbh Hydraulic straightening device for one or more punches of a pit lining element
DE1937308A1 (en) * 1969-07-23 1971-02-11 Gewerk Eisenhuette Westfalia In particular, a wandering extension element for underground mining operations provided with an offset shield
CN111852070A (en) * 2020-08-03 2020-10-30 西安科技大学 Supporting and reinforcing structure and method for irregular cave top of ancient cave

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224247B (en) * 1965-10-08 1966-09-08 Hoesch Bergbautechnik G M B H Striding extension team with support springs and connecting springs
DE1257720B (en) * 1966-02-17 1968-01-04 Bergwerksverband Gmbh Control for a moving extension frame
US3418814A (en) * 1966-03-04 1968-12-31 Karl M. Groetschel Roof supports for mine workings
DE1260414B (en) * 1966-04-16 1968-02-08 Bergwerksverband Gmbh Control for a moving extension frame
DE1259281B (en) * 1966-05-21 1968-01-25 Gewerk Eisenhuette Westfalia Hydraulic mobile support frame
DE1276578B (en) * 1967-02-11 1968-09-05 Bergwerksverband Gmbh Control for a moving extension frame
DE1276578C2 (en) * 1967-02-11 1973-07-19 Bergwerksverband Gmbh Control for a moving expansion frame
DE1801564B1 (en) * 1968-09-05 1970-07-30 Becorit Grubenausbau Gmbh Hydraulic straightening device for one or more punches of a pit lining element
DE1937308A1 (en) * 1969-07-23 1971-02-11 Gewerk Eisenhuette Westfalia In particular, a wandering extension element for underground mining operations provided with an offset shield
CN111852070A (en) * 2020-08-03 2020-10-30 西安科技大学 Supporting and reinforcing structure and method for irregular cave top of ancient cave

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