GB2093102B - Mine roof support - Google Patents

Mine roof support

Info

Publication number: GB2093102B
Authority: GB; United Kingdom
Prior art keywords: roof support; mine roof; mine; support; roof
Prior art date: 1981-01-27
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

GB8202130A

Other versions

GB2093102A (en

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.)

Fletcher Sutcliffe Wild Ltd

Original Assignee

Fletcher Sutcliffe Wild 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.)

1981-01-27

Filing date

1982-01-26

Publication date

1984-06-20

1982-01-26 Application filed by Fletcher Sutcliffe Wild Ltd filed Critical Fletcher Sutcliffe Wild Ltd

1982-01-26 Priority to GB8202130A priority Critical patent/GB2093102B/en

1982-08-25 Publication of GB2093102A publication Critical patent/GB2093102A/en

1984-06-20 Application granted granted Critical

1984-06-20 Publication of GB2093102B publication Critical patent/GB2093102B/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
- E21D23/0004—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
- E21D23/0017—Pile type supports
- E21D23/0021—Pile type supports comprising two walking elements
- 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
- E21D23/04—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
- 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports

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)
Architecture (AREA)
Structural Engineering (AREA)
Emergency Lowering Means (AREA)

GB8202130A 1981-01-27 1982-01-26 Mine roof support Expired GB2093102B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8202130A GB2093102B (en)	1981-01-27	1982-01-26	Mine roof support

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8102474		1981-01-27
GB8202130A GB2093102B (en)	1981-01-27	1982-01-26	Mine roof support

Publications (2)

Publication Number	Publication Date
GB2093102A GB2093102A (en)	1982-08-25
GB2093102B true GB2093102B (en)	1984-06-20

Family

ID=26278245

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8202130A Expired GB2093102B (en)	1981-01-27	1982-01-26	Mine roof support

Country Status (1)

Country	Link
GB (1)	GB2093102B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2655685B1 (en) *	1989-12-08	1992-03-13	Marion Rene	MACHINE FOR HANDLING CEILING SLABS IN A MINING OPERATION.
CN102654060B (en) *	2012-05-23	2014-04-09	辽宁天安科技有限公司	Tunnel excavation staggered type supporting device

1982
- 1982-01-26 GB GB8202130A patent/GB2093102B/en not_active Expired

Also Published As

Publication number	Publication date
GB2093102A (en)	1982-08-25

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Legal Events

Date	Code	Title	Description
1991-09-25	PCNP	Patent ceased through non-payment of renewal fee