GB1414257A – Gate self-advancing support system
– Google Patents
GB1414257A – Gate self-advancing support system
– Google Patents
Gate self-advancing support system
Info
Publication number
GB1414257A
GB1414257A
GB683973A
GB683973A
GB1414257A
GB 1414257 A
GB1414257 A
GB 1414257A
GB 683973 A
GB683973 A
GB 683973A
GB 683973 A
GB683973 A
GB 683973A
GB 1414257 A
GB1414257 A
GB 1414257A
Authority
GB
United Kingdom
Prior art keywords
support system
conveyer
advancing
gate self
advancing support
Prior art date
1973-02-12
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
GB683973A
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.)
Taiheiyo Coal Mining Co Ltd
Original Assignee
Taiheiyo Coal Mining Co 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.)
1973-02-12
Filing date
1973-02-12
Publication date
1975-11-19
1973-02-12
Application filed by Taiheiyo Coal Mining Co Ltd
filed
Critical
Taiheiyo Coal Mining Co Ltd
1973-02-12
Priority to GB683973A
priority
Critical
patent/GB1414257A/en
1975-11-19
Publication of GB1414257A
publication
Critical
patent/GB1414257A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
E21D23/0043—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member and supported by two or more rows of struts parallel to the working face
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
E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with the working face
Abstract
1414257 Mining conveyers TAIHEIYO COAL MINING CO Ltd 12 Feb 1973 6839/73 Heading B8A [Also in Division E1] A skid 11 for the charge conveyer of an advancing mine roof support system, see Divisions E1-E2, has a control aperture to house the charge conveyer, has attachment brackets 12 to receive the advancing jacks and has rear support guides 14; a hole 15 being also provided whereby a face conveyer may be coupled to the charge conveyer.
GB683973A
1973-02-12
1973-02-12
Gate self-advancing support system
Expired
GB1414257A
(en)
Priority Applications (1)
Application Number
Priority Date
Filing Date
Title
GB683973A
GB1414257A
(en)
1973-02-12
1973-02-12
Gate self-advancing support system
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB683973A
GB1414257A
(en)
1973-02-12
1973-02-12
Gate self-advancing support system
Publications (1)
Publication Number
Publication Date
GB1414257A
true
GB1414257A
(en)
1975-11-19
Family
ID=9821701
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB683973A
Expired
GB1414257A
(en)
1973-02-12
1973-02-12
Gate self-advancing support system
Country Status (1)
Country
Link
GB
(1)
GB1414257A
(en)
Cited By (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2367907A1
(en)
*
1976-10-15
1978-05-12
Bochumer Eisen Heintzmann
AUXILIARY SUPPORT FOR THE PASSAGE FROM PRUNING TO THE GALLERY
DE3446043C1
(en)
*
1984-12-18
1986-06-19
NLW Fördertechnik GmbH, 4232 Xanten
Face-boundary support
US4605341A
(en)
*
1983-10-22
1986-08-12
Dobson Park Industries Plc.
Mine roof support and attachment means therefor
GB2191236A
(en)
*
1986-06-04
1987-12-09
Gullick Dobson Ltd
Movable hydraulic jacks on mine roof support
GB2192021A
(en)
*
1986-06-26
1987-12-31
Gullick Dobson Ltd
Mine roof support with two relatively pivotal roof plates
GB2198166A
(en)
*
1986-10-31
1988-06-08
Thos Storey
Support prop suitable for bridges
1973
1973-02-12
GB
GB683973A
patent/GB1414257A/en
not_active
Expired
Cited By (11)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2367907A1
(en)
*
1976-10-15
1978-05-12
Bochumer Eisen Heintzmann
AUXILIARY SUPPORT FOR THE PASSAGE FROM PRUNING TO THE GALLERY
US4605341A
(en)
*
1983-10-22
1986-08-12
Dobson Park Industries Plc.
Mine roof support and attachment means therefor
DE3446043C1
(en)
*
1984-12-18
1986-06-19
NLW Fördertechnik GmbH, 4232 Xanten
Face-boundary support
GB2191236A
(en)
*
1986-06-04
1987-12-09
Gullick Dobson Ltd
Movable hydraulic jacks on mine roof support
US4797023A
(en)
*
1986-06-04
1989-01-10
Gullick Dobson Limited
Mine roof supports
GB2191236B
(en)
*
1986-06-04
1990-04-04
Gullick Dobson Ltd
Mine roof supports
GB2192021A
(en)
*
1986-06-26
1987-12-31
Gullick Dobson Ltd
Mine roof support with two relatively pivotal roof plates
US4784532A
(en)
*
1986-06-26
1988-11-15
Gullick Dobson Limited
Mine roof supports
GB2192021B
(en)
*
1986-06-26
1990-03-21
Gullick Dobson Ltd
A roof engaging structure for a mine roof support
GB2198166A
(en)
*
1986-10-31
1988-06-08
Thos Storey
Support prop suitable for bridges
GB2198166B
(en)
*
1986-10-31
1990-10-17
Thos Storey
Improvements in and relating to support work props
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(en)
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(en)
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GB1469604A
(en)
1977-04-06
Roof support
Legal Events
Date
Code
Title
Description
1976-03-31
PS
Patent sealed
1983-09-28
PCNP
Patent ceased through non-payment of renewal fee
