GB2045312B - Yieldable mine roof supports - Google Patents

Yieldable mine roof supports

Info

Publication number: GB2045312B
Authority: GB; United Kingdom
Prior art keywords: mine roof; roof supports; yieldable mine; yieldable; supports
Prior art date: 1979-03-09
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

GB8006273A

Other versions

GB2045312A (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.)

Hayden Nilos Conflow Ltd

Original Assignee

Hayden Nilos Conflow 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.)

1979-03-09

Filing date

1980-02-25

Publication date

1983-05-11

1980-02-25 Application filed by Hayden Nilos Conflow Ltd filed Critical Hayden Nilos Conflow Ltd

1980-02-25 Priority to GB8006273A priority Critical patent/GB2045312B/en

1980-10-29 Publication of GB2045312A publication Critical patent/GB2045312A/en

1983-05-11 Application granted granted Critical

1983-05-11 Publication of GB2045312B publication Critical patent/GB2045312B/en

Status Expired legal-status Critical Current

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/14—Telescopic props
- E21D15/16—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure
- E21D15/22—Telescopic props with parts held together by positive means, with or without relative sliding movement when the prop is subject to excessive pressure with member, pin, cross- piece, or the like, ruptured, sheared through, or permanently deformed upon excessive pressure

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Structural Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Roof Covering Using Slabs Or Stiff Sheets (AREA)

GB8006273A 1979-03-09 1980-02-25 Yieldable mine roof supports Expired GB2045312B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8006273A GB2045312B (en)	1979-03-09	1980-02-25	Yieldable mine roof supports

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB7908488		1979-03-09
GB8006273A GB2045312B (en)	1979-03-09	1980-02-25	Yieldable mine roof supports

Publications (2)

Publication Number	Publication Date
GB2045312A GB2045312A (en)	1980-10-29
GB2045312B true GB2045312B (en)	1983-05-11

Family

ID=26270864

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8006273A Expired GB2045312B (en)	1979-03-09	1980-02-25	Yieldable mine roof supports

Country Status (1)

Country	Link
GB (1)	GB2045312B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2211870B (en) *	1987-11-04	1992-01-15	Ward Engineering Limited	Stilt
US5015125A (en) *	1990-04-05	1991-05-14	Seegmiller Ben L	Yieldable mine post
US5400994A (en) *	1991-01-22	1995-03-28	Dyckerhoff & Widmann Ag Of Munich	Yieldable roof support system
US5228810A (en) *	1991-03-22	1993-07-20	Seegmiller Ben L	Mine support post

1980
- 1980-02-25 GB GB8006273A patent/GB2045312B/en not_active Expired

Also Published As

Publication number	Publication date
GB2045312A (en)	1980-10-29

Similar Documents

Publication	Publication Date	Title
ZA801214B (en)	1981-02-25	Mine roof bolting
AU535741B2 (en)	1984-04-05	Mine roof support
GB2054018B (en)	1983-04-07	Mine roof supports
AU7307581A (en)	1982-01-28	Yieldable mine roof support
GB2042037B (en)	1983-03-23	Self advancing mine roof support
GB2031496B (en)	1982-07-28	Mine roof support unit
GB2031981B (en)	1982-07-07	Shield-type mine roof support
AU538625B2 (en)	1984-08-23	Mine roof prop
GB2067640B (en)	1983-06-02	Mine roof supports
AU535255B2 (en)	1984-03-08	Mine roof support
AU539027B2 (en)	1984-09-06	Mine roof support
GB2051937B (en)	1983-04-13	Mine roof support
AU5889980A (en)	1981-01-15	Mine roof support
GB1557814A (en)	1979-12-12	Mine roof support
ZA832294B (en)	1983-12-28	Mine roof supports
GB2116618B (en)	1985-11-20	Mine roof supports
GB2073291B (en)	1983-11-30	Mine roof supports
GB2115048B (en)	1985-08-29	Mine roof supports
GB2045312B (en)	1983-05-11	Yieldable mine roof supports
GB2062736B (en)	1983-05-18	Movable mine roof supports
GB2041056B (en)	1983-05-05	Mine roof support
GB2045325B (en)	1982-10-27	Mine roof support system
GB2088458B (en)	1984-04-11	Mine roof support
GB2030202B (en)	1982-06-23	Mine roof supports
GB2021669B (en)	1982-05-12	Mine roof supports

Legal Events

Date	Code	Title	Description
1991-10-23	PCNP	Patent ceased through non-payment of renewal fee