GB8703496D0 - Mine roof support - Google Patents

Mine roof support

Info

Publication number: GB8703496D0
Authority: GB; United Kingdom
Prior art keywords: roof support; mine roof; mine; support; roof
Prior art date: 1987-02-14
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.): Pending

Application number

GB878703496A

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.)

Dowty Mining Equipment Ltd

Original Assignee

Dowty Mining Equipment 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.)

1987-02-14

Filing date

1987-02-14

Publication date

1987-03-18

1987-02-14 Application filed by Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd

1987-02-14 Priority to GB878703496A priority Critical patent/GB8703496D0/en

1987-03-18 Publication of GB8703496D0 publication Critical patent/GB8703496D0/en

1988-02-12 Priority to DE19883804472 priority patent/DE3804472C2/en

1988-02-12 Priority to GB8803275A priority patent/GB2201713B/en

Status Pending legal-status Critical Current

Links

GB878703496A 1987-02-14 1987-02-14 Mine roof support Pending GB8703496D0 (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
GB878703496A GB8703496D0 (en)	1987-02-14	1987-02-14	Mine roof support
DE19883804472 DE3804472C2 (en)	1987-02-14	1988-02-12	Longwall construction frame
GB8803275A GB2201713B (en)	1987-02-14	1988-02-12	Mine roof support

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB878703496A GB8703496D0 (en)	1987-02-14	1987-02-14	Mine roof support

Publications (1)

Publication Number	Publication Date
GB8703496D0 true GB8703496D0 (en)	1987-03-18

Family

ID=10612365

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB878703496A Pending GB8703496D0 (en)	1987-02-14	1987-02-14	Mine roof support
GB8803275A Expired - Lifetime GB2201713B (en)	1987-02-14	1988-02-12	Mine roof support

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB8803275A Expired - Lifetime GB2201713B (en)	1987-02-14	1988-02-12	Mine roof support

Country Status (2)

Country	Link
DE (1)	DE3804472C2 (en)
GB (2)	GB8703496D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2214216B (en) *	1988-01-09	1992-02-05	Gullick Dobson Ltd	Mine roof supports and sprags therefor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1416211A (en) *	1973-02-12	1975-12-03	Taiheiyo Coal Mining Co Ltd	Self-advancing roof support incorporating a wall protector
DE2420244A1 (en) *	1974-04-26	1975-11-06	Rheinstahl Ag	Roof support over mining machine - has face support which swings back to rest against roof support carrier arm
SU840388A1 (en) *	1979-02-12	1981-06-23	Подмосковный Научно-Исследовательскийи Проектно-Конструкторский Угольныйинститут	Top of power roof support unit
AT360935B (en) *	1979-05-03	1981-02-10	Voest Alpine Ag	EXTENSION BLOCK
GB2052615B (en) *	1979-06-21	1983-03-16	Hemscheidt Maschf Hermann	Hydraulic roof-support frame
DE3115984A1 (en) *	1981-04-22	1982-11-25	Gewerkschaft Eisenhütte Westfalia, 4670 Lünen	CAP ACTUATOR
SU1010286A1 (en) *	1981-08-21	1983-04-07	Шахта "Новомосковская" Производственного Объединения "Новомосковскуголь"	Arrangement for supporting roof and working-face

1987
- 1987-02-14 GB GB878703496A patent/GB8703496D0/en active Pending
1988
- 1988-02-12 DE DE19883804472 patent/DE3804472C2/en not_active Expired - Fee Related
- 1988-02-12 GB GB8803275A patent/GB2201713B/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE3804472A1 (en)	1988-08-25
GB2201713B (en)	1990-09-26
DE3804472C2 (en)	1996-09-19
GB2201713A (en)	1988-09-07
GB8803275D0 (en)	1988-03-09

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