GB1037916A - Improvements relating to roof supports for mine workings - Google Patents

Improvements relating to roof supports for mine workings

Info

Publication number
GB1037916A
GB1037916A GB2004664A GB2004664A GB1037916A GB 1037916 A GB1037916 A GB 1037916A GB 2004664 A GB2004664 A GB 2004664A GB 2004664 A GB2004664 A GB 2004664A GB 1037916 A GB1037916 A GB 1037916A
Authority
GB
United Kingdom
Prior art keywords
roof supports
improvements relating
mine workings
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
GB2004664A
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.)
Individual
Original Assignee
Individual
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 DEG34969A external-priority patent/DE1230390B/en
Priority claimed from DEG36367A external-priority patent/DE1290506B/en
Application filed by Individual filed Critical Individual
Publication of GB1037916A publication Critical patent/GB1037916A/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
    • E21D23/0069—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
    • 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
    • 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

1,037,916. Advancing mine-roof supports. K. M. GROETSCHEL. Jan. 29, 1963 [May 12, 1962; Nov. 10, 1962], No. 20046/64. Divided out of 1,037,911. Heading E1E. The subject matter of the present Specification is the same as that of the parent Specification but the claims differ.
GB2004664A 1962-05-12 1963-01-29 Improvements relating to roof supports for mine workings Expired GB1037916A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEG34969A DE1230390B (en) 1962-05-12 1962-05-12 Hydraulic pit ram
DEG36367A DE1290506B (en) 1962-11-10 1962-11-10 Traveling extension unit

Publications (1)

Publication Number Publication Date
GB1037916A true GB1037916A (en) 1966-08-03

Family

ID=25978422

Family Applications (3)

Application Number Title Priority Date Filing Date
GB2004464A Expired GB1037915A (en) 1962-05-12 1963-01-29 Improvements relating to roof supports for mine workings
GB2004364A Expired GB1037914A (en) 1962-05-12 1963-01-29 Improvements relating to roof supports for mine workings
GB2004664A Expired GB1037916A (en) 1962-05-12 1963-01-29 Improvements relating to roof supports for mine workings

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB2004464A Expired GB1037915A (en) 1962-05-12 1963-01-29 Improvements relating to roof supports for mine workings
GB2004364A Expired GB1037914A (en) 1962-05-12 1963-01-29 Improvements relating to roof supports for mine workings

Country Status (1)

Country Link
GB (3) GB1037915A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197678A (en) * 1986-11-21 1988-05-25 Gullick Dobson Ltd Combined forepole and sprag on mine roof support canopy

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11040512B2 (en) 2017-11-08 2021-06-22 Northrop Grumman Systems Corporation Composite structures, forming apparatuses and related systems and methods

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197678A (en) * 1986-11-21 1988-05-25 Gullick Dobson Ltd Combined forepole and sprag on mine roof support canopy
GB2197678B (en) * 1986-11-21 1990-04-11 Gullick Dobson Ltd Mine roof supports

Also Published As

Publication number Publication date
GB1037915A (en) 1966-08-03
GB1037914A (en) 1966-08-03

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