GB2108559B - Mine roof support - Google Patents

Mine roof support

Info

Publication number: GB2108559B
Authority: GB; United Kingdom
Prior art keywords: roof support; mine roof; mine; support; roof
Prior art date: 1981-10-23
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

GB08228051A

Other versions

GB2108559A (en

Inventor

James Seddon

Frank Jones

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.)

Joy Global Industries Ltd

Original Assignee

Dobson Park Industries 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.)

1981-10-23

Filing date

1982-10-01

Publication date

1985-09-04

1982-10-01 Application filed by Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd

1982-10-01 Priority to GB08228051A priority Critical patent/GB2108559B/en

1983-05-18 Publication of GB2108559A publication Critical patent/GB2108559A/en

1985-09-04 Application granted granted Critical

1985-09-04 Publication of GB2108559B publication Critical patent/GB2108559B/en

Status Expired legal-status Critical Current

Links

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Excavating Of Shafts Or Tunnels (AREA)

GB08228051A 1981-10-23 1982-10-01 Mine roof support Expired GB2108559B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB08228051A GB2108559B (en)	1981-10-23	1982-10-01	Mine roof support

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8131970		1981-10-23
GB08228051A GB2108559B (en)	1981-10-23	1982-10-01	Mine roof support

Publications (2)

Publication Number	Publication Date
GB2108559A GB2108559A (en)	1983-05-18
GB2108559B true GB2108559B (en)	1985-09-04

Family

ID=26281049

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08228051A Expired GB2108559B (en)	1981-10-23	1982-10-01	Mine roof support

Country Status (1)

Country	Link
GB (1)	GB2108559B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8328281D0 (en) *	1983-10-22	1983-11-23	Dobson Park Ind	Mine roof supports
GB2155089A (en) *	1984-03-02	1985-09-18	Dobson Park Ind	Mine roof support with rear linkage

1982
- 1982-10-01 GB GB08228051A patent/GB2108559B/en not_active Expired

Also Published As

Publication number	Publication date
GB2108559A (en)	1983-05-18

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Legal Events

Date	Code	Title	Description
1988-05-25	PCNP	Patent ceased through non-payment of renewal fee