GB2030202B - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number: GB2030202B
Authority: GB; United Kingdom
Prior art keywords: mine roof; roof supports; supports; mine; roof
Prior art date: 1978-09-16
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

GB7928372A

Other versions

GB2030202A (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.)

1978-09-16

Filing date

1979-08-15

Publication date

1982-06-23

1979-08-15 Application filed by Fletcher Sutcliffe Wild Ltd filed Critical Fletcher Sutcliffe Wild Ltd

1979-08-15 Priority to GB7928372A priority Critical patent/GB2030202B/en

1980-04-02 Publication of GB2030202A publication Critical patent/GB2030202A/en

1982-06-23 Application granted granted Critical

1982-06-23 Publication of GB2030202B publication Critical patent/GB2030202B/en

Status Expired legal-status Critical Current

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
- E21D23/0034—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 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
- E21D23/0427—Shield operating devices; Hinges therefor

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)
Buildings Adapted To Withstand Abnormal External Influences (AREA)

GB7928372A 1978-09-16 1979-08-15 Mine roof supports Expired GB2030202B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB7928372A GB2030202B (en)	1978-09-16	1979-08-15	Mine roof supports

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB7837100		1978-09-16
GB7928372A GB2030202B (en)	1978-09-16	1979-08-15	Mine roof supports

Publications (2)

Publication Number	Publication Date
GB2030202A GB2030202A (en)	1980-04-02
GB2030202B true GB2030202B (en)	1982-06-23

Family

ID=26268880

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7928372A Expired GB2030202B (en)	1978-09-16	1979-08-15	Mine roof supports

Country Status (1)

Country	Link
GB (1)	GB2030202B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3511275C1 (en) *	1985-03-28	1986-06-19	Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal	Hydraulic self-advancing support assembly
GB2192659B (en) *	1986-07-15	1990-04-11	Gullick Dobson Ltd	Mine roof support roof engaging device

1979
- 1979-08-15 GB GB7928372A patent/GB2030202B/en not_active Expired

Also Published As

Publication number	Publication date
GB2030202A (en)	1980-04-02

Similar Documents

Publication	Publication Date	Title
ZA79888B (en)	1980-02-27	Mine roof support system
AU4630779A (en)	1980-05-08	Mine roof support
GB2054018B (en)	1983-04-07	Mine roof supports
GB2031496B (en)	1982-07-28	Mine roof support unit
GB2028905B (en)	1982-11-03	Roof construction
ZA792442B (en)	1980-08-27	Roof supports
GB2031981B (en)	1982-07-07	Shield-type mine roof support
AU527664B2 (en)	1983-03-17	Mine roof support
GB2067640B (en)	1983-06-02	Mine roof supports
GB2018334B (en)	1982-06-03	Mining supports
GB2051937B (en)	1983-04-13	Mine roof support
JPS54108423A (en)	1979-08-25	Inclined roof
GB2073291B (en)	1983-11-30	Mine roof supports
GB2021669B (en)	1982-05-12	Mine roof supports
GB2041056B (en)	1983-05-05	Mine roof support
GB2045312B (en)	1983-05-11	Yieldable mine roof supports
JPS554443A (en)	1980-01-12	Lighttintroducing roof
JPS5559256A (en)	1980-05-02	Roof
JPS5545982A (en)	1980-03-31	Roof
GB2030202B (en)	1982-06-23	Mine roof supports
ZA793763B (en)	1980-07-30	Shield-type mine roof support
GB2035431B (en)	1982-10-13	Mine roof supports
GB2027475B (en)	1982-06-16	Sprags for mine roof supports
GB2048352B (en)	1982-12-22	Mine roof support
JPS54136716A (en)	1979-10-24	Roof

Legal Events

Date	Code	Title	Description
1993-04-14	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19920815