GB1148916A - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
GB1148916A
GB1148916A GB33133/65A GB3313365A GB1148916A GB 1148916 A GB1148916 A GB 1148916A GB 33133/65 A GB33133/65 A GB 33133/65A GB 3313365 A GB3313365 A GB 3313365A GB 1148916 A GB1148916 A GB 1148916A
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
unit
advancing 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
GB33133/65A
Inventor
William John Adcock
William Vincent Sheppard
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB33133/65A priority Critical patent/GB1148916A/en
Priority to US567424A priority patent/US3370431A/en
Priority to DEC14870U priority patent/DE1993012U/en
Publication of GB1148916A publication Critical patent/GB1148916A/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
    • E21D23/04—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 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
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith

Abstract

1,148,916. Advancing mine roof supports. COAL INDUSTRY (PATENTS) Ltd. 29 July, 1966 [3 Aug., 1965], No. 33133/65. Heading E1P. An advancing mine roof support assembly comprising two units 1, 2 adapted to be advanced in parallel by a double-acting jack 7 is characterized in that the roof and floor beams of the unit 1 are of L-shaped configuration arranged as shown to support the goaf side of the unit 2.
GB33133/65A 1965-08-03 1965-08-03 Mine roof supports Expired GB1148916A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB33133/65A GB1148916A (en) 1965-08-03 1965-08-03 Mine roof supports
US567424A US3370431A (en) 1965-08-03 1966-07-25 Mine roof supports
DEC14870U DE1993012U (en) 1965-08-03 1966-08-03 TRAVELING FRAME FOR UNDERGROUND MINING.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33133/65A GB1148916A (en) 1965-08-03 1965-08-03 Mine roof supports

Publications (1)

Publication Number Publication Date
GB1148916A true GB1148916A (en) 1969-04-16

Family

ID=10348975

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33133/65A Expired GB1148916A (en) 1965-08-03 1965-08-03 Mine roof supports

Country Status (3)

Country Link
US (1) US3370431A (en)
DE (1) DE1993012U (en)
GB (1) GB1148916A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1234661A (en) * 1968-01-17 1971-06-09
US3523424A (en) * 1968-11-25 1970-08-11 Gullick Ltd Mine roof supports
US4065929A (en) * 1976-03-08 1978-01-03 Atlantic Richfield Company Mine roof support and method in longwall mining of thick mineral seams
US8590982B2 (en) * 2009-07-10 2013-11-26 Joy Mm Delaware, Inc. Longwall mining roof supports

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160390B (en) * 1961-04-28 1964-01-02 Rheinstahl Gmbh Wanheim Wandering expansion element

Also Published As

Publication number Publication date
DE1993012U (en) 1968-09-05
US3370431A (en) 1968-02-27

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