GB1125760A - Roof support assembly suitable for use in mines - Google Patents

Roof support assembly suitable for use in mines

Info

Publication number
GB1125760A
GB1125760A GB5345665A GB5345665A GB1125760A GB 1125760 A GB1125760 A GB 1125760A GB 5345665 A GB5345665 A GB 5345665A GB 5345665 A GB5345665 A GB 5345665A GB 1125760 A GB1125760 A GB 1125760A
Authority
GB
United Kingdom
Prior art keywords
roof support
support assembly
mines
brackets
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
GB5345665A
Inventor
Eric Mcivor Snowden
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 GB5345665A priority Critical patent/GB1125760A/en
Publication of GB1125760A publication Critical patent/GB1125760A/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
    • E21D23/0047—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor without essential shifting devices

Abstract

1,125,760. Advancing mine roof support assemblies. DOWTY MINING EQUIPMENT Ltd. 15 March, 1967 [16 Dec., 1965], No. 53456/65. Heading E1E. In an advancing mine roof support assembly comprising two rigidly interconnected outer frame units 1, 3 adapted to be advanced relative to a centrally disposed unit 2 the central unit is provided with brackets 10, 11 and the outer units are joined by a pivoted bar 12 in such a manner that said brackets and bar prevent retraction of the upper-side of one roof-engaging member below the lowermost level of the associated roof-engaging member.
GB5345665A 1965-12-16 1965-12-16 Roof support assembly suitable for use in mines Expired GB1125760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5345665A GB1125760A (en) 1965-12-16 1965-12-16 Roof support assembly suitable for use in mines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5345665A GB1125760A (en) 1965-12-16 1965-12-16 Roof support assembly suitable for use in mines

Publications (1)

Publication Number Publication Date
GB1125760A true GB1125760A (en) 1968-08-28

Family

ID=10467879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5345665A Expired GB1125760A (en) 1965-12-16 1965-12-16 Roof support assembly suitable for use in mines

Country Status (1)

Country Link
GB (1) GB1125760A (en)

Similar Documents

Publication Publication Date Title
GB956012A (en) Self-advancing hydraulic roof-supporting frame assembly for use in mines
GB1125760A (en) Roof support assembly suitable for use in mines
GB1148916A (en) Mine roof supports
GB977352A (en) Self advancing hydraulic roof support frame assembly for face galleries in mines
GB1216953A (en) Improvements in support assemblies for mineral mines
GB1004110A (en) Self-advancing support structure for a mine gallery roof
GB1206114A (en) Roof support suitable for use in mines
GB1165152A (en) Roof Support Assembly suitable for use in a Mine
GB1095369A (en) Roof supports suitable for use in mines
GB947078A (en) Self-advancing roof support
ZA71150B (en) Hydraulic double telescopic mine prop
GB979052A (en) Improvements in or relating to roof supports for underground mines
GB976644A (en) Advancing mine roof support systems
GB1130758A (en) Roof support assembly suitable for use in mines
Franklin Pyrite zone of the Temagami mine of Copperfields Mining Company, Timagami, Ontario.
GB1285773A (en) Improvements relating to self-advancing roof supports for mine workings
GB982024A (en) Improvements relating to advancing mine roof supports
GB1090247A (en) Improvements in or relating to mine roof supporting devices
CA758323A (en) Pressure-fluid-operated mine roof supports and other mining equipment
GB1166241A (en) Inclined-Prop Powered Support.
GB1011067A (en) Roof support assembly suitable for use in mines
AU289400B2 (en) Timbering structure for advancing longwall timbering
GB1102418A (en) Roof supports suitable for use in mines
ZA713147B (en) Hydraulic mine prop with several inner props
GB1027286A (en) Improvements in or relating to self-advancing mine roof supports