GB2021669B - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number: GB2021669B
Authority: GB; United Kingdom
Prior art keywords: mine roof; roof supports; supports; mine; roof
Prior art date: 1978-05-22
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

GB7916679A

Other versions

GB2021669A (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.)

TS OSRODEK P K MASZYN GORN

Original Assignee

TS OSRODEK P K MASZYN GORN

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.)

1978-05-22

Filing date

1979-05-14

Publication date

1982-05-12

1979-05-14 Application filed by TS OSRODEK P K MASZYN GORN filed Critical TS OSRODEK P K MASZYN GORN

1979-12-05 Publication of GB2021669A publication Critical patent/GB2021669A/en

1982-05-12 Application granted granted Critical

1982-05-12 Publication of GB2021669B publication Critical patent/GB2021669B/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
- E21D23/04—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
- 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

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)
Tents Or Canopies (AREA)
Working Measures On Existing Buildindgs (AREA)

GB7916679A 1978-05-22 1979-05-14 Mine roof supports Expired GB2021669B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PL5953978		1978-05-22

Publications (2)

Publication Number	Publication Date
GB2021669A GB2021669A (en)	1979-12-05
GB2021669B true GB2021669B (en)	1982-05-12

Family

ID=19936475

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7916679A Expired GB2021669B (en)	1978-05-22	1979-05-14	Mine roof supports

Country Status (4)

Country	Link
AT (1)	AT364335B (en)
DE (1)	DE2920203A1 (en)
GB (1)	GB2021669B (en)
YU (1)	YU97979A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3038629C2 (en) *	1980-10-13	1983-12-22	Thyssen Industrie Ag, 4300 Essen	Shield support frame for underground support
HU203803B (en) *	1988-02-11	1991-09-30	Gyoergy Szentai	Supporting device for supporting mine space
CN108468560B (en) *	2018-05-30	2024-03-26	西安科技大学	Device and method for mining pseudo-depression inclined long-wall Z-shaped bracket of steep coal seam

1979
- 1979-04-24 YU YU97979A patent/YU97979A/en unknown
- 1979-05-07 AT AT338879A patent/AT364335B/en not_active IP Right Cessation
- 1979-05-14 GB GB7916679A patent/GB2021669B/en not_active Expired
- 1979-05-18 DE DE19792920203 patent/DE2920203A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
ATA338879A (en)	1981-03-15
GB2021669A (en)	1979-12-05
DE2920203A1 (en)	1979-11-29
AT364335B (en)	1981-10-12
YU97979A (en)	1982-08-31

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
GB2031981B (en)	1982-07-07	Shield-type mine roof support
ZA792442B (en)	1980-08-27	Roof supports
AU527664B2 (en)	1983-03-17	Mine roof support
GB2067640B (en)	1983-06-02	Mine roof supports
GB2051937B (en)	1983-04-13	Mine roof support
GB2018334B (en)	1982-06-03	Mining supports
JPS54108423A (en)	1979-08-25	Inclined roof
GB2073291B (en)	1983-11-30	Mine roof supports
GB2030202B (en)	1982-06-23	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
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
GB2080381B (en)	1983-09-07	Mine roof supports

Legal Events

Date	Code	Title	Description
1983-12-29	PCNP	Patent ceased through non-payment of renewal fee