GB8424334D0 - Mine roof supports - Google Patents

Mine roof supports

Info

Publication number
GB8424334D0
GB8424334D0 GB848424334A GB8424334A GB8424334D0 GB 8424334 D0 GB8424334 D0 GB 8424334D0 GB 848424334 A GB848424334 A GB 848424334A GB 8424334 A GB8424334 A GB 8424334A GB 8424334 D0 GB8424334 D0 GB 8424334D0
Authority
GB
United Kingdom
Prior art keywords
mine roof
roof supports
supports
mine
roof
Prior art date
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.)
Withdrawn
Application number
GB848424334A
Other versions
GB2164987A (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.)
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.)
Filing date
Publication date
Application filed by Dowty Mining Equipment Ltd filed Critical Dowty Mining Equipment Ltd
Priority to GB08424334A priority Critical patent/GB2164987A/en
Publication of GB8424334D0 publication Critical patent/GB8424334D0/en
Priority to DE19853533659 priority patent/DE3533659A1/en
Publication of GB2164987A publication Critical patent/GB2164987A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
GB08424334A 1984-09-26 1984-09-26 Mine roof supports Withdrawn GB2164987A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08424334A GB2164987A (en) 1984-09-26 1984-09-26 Mine roof supports
DE19853533659 DE3533659A1 (en) 1984-09-26 1985-09-20 SCREW EXTENSION RACK

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08424334A GB2164987A (en) 1984-09-26 1984-09-26 Mine roof supports

Publications (2)

Publication Number Publication Date
GB8424334D0 true GB8424334D0 (en) 1984-10-31
GB2164987A GB2164987A (en) 1986-04-03

Family

ID=10567297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08424334A Withdrawn GB2164987A (en) 1984-09-26 1984-09-26 Mine roof supports

Country Status (2)

Country Link
DE (1) DE3533659A1 (en)
GB (1) GB2164987A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708902C3 (en) * 1987-03-19 2000-05-04 Dbt Gmbh Control unit for electro-hydraulic expansion controls
DE19751007B4 (en) * 1997-11-18 2007-06-28 Dbt Gmbh Control unit for electrohydraulic control systems
DE102004036163B4 (en) * 2004-07-26 2016-03-17 Caterpillar Global Mining Europe Gmbh Control device for electrohydraulic construction controls
AT506308B1 (en) * 2007-12-12 2009-08-15 Vaillant Austria Gmbh FASTENING DEVICE AND METHOD FOR CONNECTING HYDRAULIC LINES

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1039314A (en) * 1963-03-22 1966-08-17 Gerlach Karl A walking roof support system for longwall workings in coal mines
GB1091767A (en) * 1964-12-02 1967-11-22 Dowty Mining Equipment Ltd Mine roof support assembly
GB1289299A (en) * 1968-11-02 1972-09-13
GB1522009A (en) * 1975-11-15 1978-08-23 Hayden Nilos Conflow Ltd Mine roof supports

Also Published As

Publication number Publication date
DE3533659A1 (en) 1986-04-03
GB2164987A (en) 1986-04-03

Similar Documents

Publication Publication Date Title
GB2152570B (en) Mine roof support unit
GB2116618B (en) Mine roof supports
ZA874566B (en) Mine roof supports
ZA832294B (en) Mine roof supports
GB2191236B (en) Mine roof supports
GB2115048B (en) Mine roof supports
GB8617160D0 (en) Mine roof supports
GB8424334D0 (en) Mine roof supports
GB2199068B (en) Mine roof supports
GB8520339D0 (en) Roof
GB2196371B (en) Mine roof supports
GB8316941D0 (en) Mine roof supports
GB2188665B (en) Mine roof supports
ZA852380B (en) Mine prop
GB8405568D0 (en) Mine roof supports
ZA841702B (en) Mine roof supports
GB8328281D0 (en) Mine roof supports
GB8406668D0 (en) Mine roof support
GB2182704B (en) Mine roof supports
PL249665A1 (en) Self-advancing roof supports
PL247639A1 (en) Self-advancing roof supports
PL250823A1 (en) Self-advancing roof supports
GB2197678B (en) Mine roof supports
PL250010A1 (en) Roof-bar for self-advancing roof supports
GB2201986B (en) Mine roof supports

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)